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Android Open Source Project

Ranked 9 of 14 mobile operating systems by recommenders

Recommended as the mature open source base for privacy-focused phone systems like GrapheneOS, with a strong security model; the main caveat is Google's control over its development and source releases.

Recommended as the mature open source base for privacy-focused phone systems like GrapheneOS, with a strong security model; the main caveat is Google's control over its development and source releases.

68 people gave an opinion

recommend it
23
criticize it
45
approval share
34%
Each figure is one person. RecommendsCriticizes

Recommended in 10 of 13 months

  1. November 2025: recommended
  2. December 2025: recommended
  3. January 2026: not recommended
  4. February 2026: recommended
  5. March 2026: recommended
  6. April 2026: recommended
  7. May 2026: not recommended
  8. June 2026: recommended
  9. July 2026: recommended
  10. August 2026: recommended
  11. September 2026: recommended
  12. October 2026: recommended
  13. November 2026: not recommended (month in progress)

Why it doesn’t carry the badge

  • 23 people recommend itNeeds 10 or more, met.
  • 0.5 recommenders for every criticNeeds 2 to 1 or better, not met.
  • Recommended in 10 of 13 monthsNeeds 4 or more, met.

The same three rules apply to every product, and the badge can’t be bought. How the badge works

What people say about it

The reasons people give, with the number of comments that give each one. Open a reason to read what they said.

Why people recommend it

Each mark is one comment

  • Strong security and privacy model

    “They're not serious alternatives to an iPhone from a privacy and security perspective as an AOSP-based OS on decent hardware can be.”

    Comment from 2 Jul 2026 in “A new Android malware from Google”

    “AOSP respects and empowers users much more than traditional Linux due to the proper security and privacy model”

    Comment from 28 Oct 2026 in “The Advantages of Mobile Linux over AOSP (LineageOS, CrDroid, GrapheneOS, etc.)”

    “AOSP provides far better privacy and security than a traditional desktop Linux distribution.”

    Comment from 19 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”
  • Solid base for building alternatives

    “It can only be cheaper than making it from scratch, since it has alot of work already done on it”

    Comment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”

    “It will still be far less work than bootstrapping a viable open source alternative from scratch.”

    Comment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

    “AOSP is the foundation of GrapheneOS, LineageOS and dozens of other patently non-Google systems.”

    Comment from 16 Nov 2025 in “AirPods libreated from Apple's ecosystem”
  • Mature and working today

    “You get to skip the many years that Sailfish OS will still need in user testing.”

    Comment from 9 Mar 2026 in “Jolla on track to ship new phone with Sailfish OS, user-replaceable battery”

    “So fork AOSP today. You actually have a working stack, working systems”

    Comment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

    “The best open source mobile OS you can get nowadays is based on AOSP”

    Comment from 31 Jul 2026 in “Why the future is local app”
  • Open and free to fork

    “AOSP can be forked and it will still be leagues ahead of non-Android Linux phones”

    Comment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

    “Android is at least somewhat open and Google free Android actually exists.”

    Comment from 20 Mar 2026 in “Android: Balancing Openness and Choice with Safety”

    “AOSP is open source. Anyone can fork it.”

    Comment from 9 Mar 2026 in “Jolla on track to ship new phone with Sailfish OS, user-replaceable battery”

What people warn about

Each mark is one comment

  • Google controls its direction

    “as long as Google is in control of AOSP, it controls the direction in which AOSP and all downstream projects are headed”

    Comment from 22 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”

    “It is controlled by Google so it not. As long as Google is setting the roadmap for android it is not a viable option.”

    Comment from 10 Apr 2026 in “France Launches Government Linux Desktop Plan as Windows Exit Begins”

    “AOSP is being developed behind close doors and controlled by a single company which wields way too much power”

    Comment from 17 Feb 2026 in “GrapheneOS – Break Free from Google and Apple”
  • Source releases slowed and closed

    “They're trying to limit how many devices can be sold with GrapheneOS by Android OEMs, reduced the number of AOSP releases from 12 to 2 per year”

    Comment from 3 Oct 2026 in “GrapheneOS has fixed the Android 17 QPR1 kernel performance regression”

    “AOSP made it increasingly difficult to contribute without being an Android partner and it's nearly impossible now.”

    Comment from 3 Jul 2026 in “A new Android malware from Google”

    “It explains why AOSP is now private/closed source and embargos are being used to get around the laws requirements.”

    Comment from 13 Nov 2025 in “Android 16 QPR1 is being pushed to the Android Open Source Project”
  • Drivers and device trees withheld

    “they used to publish the source code for the drivers as part of AOSP. Now they no longer publish the device trees”

    Comment from 6 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”

    “Google decided Pixels would no longer be supported by AOSP which is why they stopped pushing the kernel drivers”

    Comment from 20 Aug 2026 in “Google replaced Git tags for certain source code with obtaining via Google Drive”
  • Depends on Google services

    “AOSP is basically useless at this point, it can't do much of anything without Google Play Services.”

    Comment from 7 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”

    “But you have no guarantee what happens tomorrow with it, depending on what Google feels like.”

    Comment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

Other mobile operating systems people recommend

The four most recommended other mobile operating systems, with the same counts for each, so you can compare like for like. The tick on each bar marks the 2 to 1 line the badge needs.

Android Open Source Project compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
GrapheneOS89531274%131 yr87 ownersApproved
Android37269435%1310 yrs26 owners—
Apple iOS30884127%123 yrs40 owners—
LineageOS1866674%1310 yrs8 ownersApproved
Android Open Source ProjectThis page234534%10——
See all 14 mobile operating systems, ranked

What people said

40 of the 105 comments that mention it, newest first. Each links to the original comment.

“AOSP respects and empowers users much more than traditional Linux due to the proper security and privacy model”

RecommendsComment from 28 Oct 2026 in “The Advantages of Mobile Linux over AOSP (LineageOS, CrDroid, GrapheneOS, etc.)”

“The open source core of Android is a perfectly good OS, a little slower and less secure than iOS but there is no reason to avoid it”

RecommendsComment from 17 Oct 2026 in “Brax Wink. The most private mobile phone. Modular. Open source”

“So fork AOSP today. You actually have a working stack, working systems”

RecommendsComment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“It will still be far less work than bootstrapping a viable open source alternative from scratch.”

RecommendsComment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“But you have no guarantee what happens tomorrow with it, depending on what Google feels like.”

CriticizesComment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“there is already a great open source smartphone OS that works today”

RecommendsComment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“AOSP can be forked and it will still be leagues ahead of non-Android Linux phones”

RecommendsComment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”

“They're trying to limit how many devices can be sold with GrapheneOS by Android OEMs, reduced the number of AOSP releases from 12 to 2 per year”

CriticizesComment from 3 Oct 2026 in “GrapheneOS has fixed the Android 17 QPR1 kernel performance regression”

“by "giving" Android/AOSP "for free" they want to exert control over the ecosystem”

MixedComment from 18 Sep 2026 in “GrapheneOS accuses Google of gatekeeping Android 17 features and security fixes”

“AOSP is far more private, secure, usable and compatible with a far broader amount of apps.”

RecommendsComment from 7 Sep 2026 in “GrapheneOS Overhauled Default Apps and Secure Clipboard”

“as long as Google is in control of AOSP, it controls the direction in which AOSP and all downstream projects are headed”

CriticizesComment from 22 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”

“AOSP is way ahead of Linux on Mobile, for many reasons.”

RecommendsComment from 20 Aug 2026 in “Google replaced Git tags for certain source code with obtaining via Google Drive”

“Google decided Pixels would no longer be supported by AOSP which is why they stopped pushing the kernel drivers”

CriticizesComment from 20 Aug 2026 in “Google replaced Git tags for certain source code with obtaining via Google Drive”

“AOSP provides far better privacy and security than a traditional desktop Linux distribution.”

RecommendsComment from 19 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”

“AOSP provides far better privacy and security than a traditional desktop Linux distribution”

MixedComment from 19 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”

“The best open source mobile OS you can get nowadays is based on AOSP”

RecommendsComment from 31 Jul 2026 in “Why the future is local app”

“AOSP only provides a sample SMS/MMS app for testing purposes which is intended to be replaced.”

MixedComment from 24 Jul 2026 in “Roblox Officially Supports GrapheneOS”

“None are as private and secure as unmodified AOSP.”

RecommendsComment from 17 Jul 2026 in “GrapheneOS recommended for domestic abuse victims”

“this code will be indispensible to a European Manhattan project for tech sovereignty”

RecommendsComment from 14 Jul 2026 in “European "age verification" "app" forcing everyone to use Android or iOS”

“AOSP made it increasingly difficult to contribute without being an Android partner and it's nearly impossible now.”

CriticizesComment from 3 Jul 2026 in “A new Android malware from Google”

“It would be better to direct effort to AOSP projects as it is a much better base to build from.”

RecommendsComment from 2 Jul 2026 in “A new Android malware from Google”

“They're not serious alternatives to an iPhone from a privacy and security perspective as an AOSP-based OS on decent hardware can be.”

RecommendsComment from 2 Jul 2026 in “A new Android malware from Google”

“I don't see any fundamental benefit of throwing away decades of development done on AOSP”

RecommendsComment from 2 Jul 2026 in “A new Android malware from Google”

“Android Open Source Project has good privacy and security as a starting point.”

RecommendsComment from 17 Jun 2026 in “GrapheneOS has been ported to Android 17 and official releases are coming soon”

“which is open source and very mature”

RecommendsComment from 29 Apr 2026 in “Phone is about to stop being yours”

“It seems like a waste not to use an existing, well-developed, hardened, open source base”

RecommendsComment from 10 Apr 2026 in “France Launches Government Linux Desktop Plan as Windows Exit Begins”

“It is controlled by Google so it not. As long as Google is setting the roadmap for android it is not a viable option.”

CriticizesComment from 10 Apr 2026 in “France Launches Government Linux Desktop Plan as Windows Exit Begins”

“Android is at least somewhat open and Google free Android actually exists.”

MixedComment from 20 Mar 2026 in “Android: Balancing Openness and Choice with Safety”

“AOSP is open source. Anyone can fork it.”

RecommendsComment from 9 Mar 2026 in “Jolla on track to ship new phone with Sailfish OS, user-replaceable battery”

“You get to skip the many years that Sailfish OS will still need in user testing.”

RecommendsComment from 9 Mar 2026 in “Jolla on track to ship new phone with Sailfish OS, user-replaceable battery”

“It can only be cheaper than making it from scratch, since it has alot of work already done on it”

RecommendsComment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”

“AOSP dev went private, and Google is slower and slower at releasing the source, now twice a year.”

CriticizesComment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”

“But currently AOSP is very much open.”

RecommendsComment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”

“AOSP is being developed behind close doors and controlled by a single company which wields way too much power”

CriticizesComment from 17 Feb 2026 in “GrapheneOS – Break Free from Google and Apple”

“I believe that AOSP is a lot better, with a much better security model.”

RecommendsComment from 17 Feb 2026 in “GrapheneOS – Break Free from Google and Apple”

“The app sandbox and permission model has evolved a lot, in a good direction.”

RecommendsComment from 8 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”

“AOSP is basically useless at this point, it can't do much of anything without Google Play Services.”

CriticizesComment from 7 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”

“they used to publish the source code for the drivers as part of AOSP. Now they no longer publish the device trees”

CriticizesComment from 6 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”

“AOSP is the foundation of GrapheneOS, LineageOS and dozens of other patently non-Google systems.”

RecommendsComment from 16 Nov 2025 in “AirPods libreated from Apple's ecosystem”

“It explains why AOSP is now private/closed source and embargos are being used to get around the laws requirements.”

CriticizesComment from 13 Nov 2025 in “Android 16 QPR1 is being pushed to the Android Open Source Project”

Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.