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%
Recommended in 10 of 13 months
- November 2025: recommended
- December 2025: recommended
- January 2026: not recommended
- February 2026: recommended
- March 2026: recommended
- April 2026: recommended
- May 2026: not recommended
- June 2026: recommended
- July 2026: recommended
- August 2026: recommended
- September 2026: recommended
- October 2026: recommended
- 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” - Comment from 19 Aug 2026 in “GrapheneOS in 2027 available on high-end Motorola phones”
- Comment from 7 Sep 2026 in “GrapheneOS Overhauled Default Apps and Secure Clipboard”
- Comment from 17 Jun 2026 in “GrapheneOS has been ported to Android 17 and official releases are coming soon”
- Comment from 8 Dec 2025 in “GrapheneOS is the only Android OS providing full security patches”
- Comment from 17 Feb 2026 in “GrapheneOS – Break Free from Google and Apple”
- Comment from 17 Jul 2026 in “GrapheneOS recommended for domestic abuse victims”
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” - Comment from 2 Jul 2026 in “A new Android malware from Google”
- Comment from 2 Jul 2026 in “A new Android malware from Google”
- Comment from 10 Apr 2026 in “France Launches Government Linux Desktop Plan as Windows Exit Begins”
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” - Comment from 12 Oct 2026 in “Will Linux phones become a viable alternative to the Android/iOS duopoly?”
- Comment from 20 Aug 2026 in “Google replaced Git tags for certain source code with obtaining via Google Drive”
- Comment from 29 Apr 2026 in “Phone is about to stop being yours”
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” - Comment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”
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” - Comment from 2 Mar 2026 in “/e/OS is a complete "deGoogled", mobile ecosystem”
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.
| Product | Recommend | Criticize | Approval | Months | Owned | Badge |
|---|---|---|---|---|---|---|
| GrapheneOS | 895 | 312 | 74% | 13 | 1 yr87 owners | Approved |
| Android | 372 | 694 | 35% | 13 | 10 yrs26 owners | — |
| Apple iOS | 308 | 841 | 27% | 12 | 3 yrs40 owners | — |
| LineageOS | 186 | 66 | 74% | 13 | 10 yrs8 owners | Approved |
| Android Open Source ProjectThis page | 23 | 45 | 34% | 10 | — | — |
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”
“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”
“So fork AOSP today. You actually have a working stack, working systems”
“It will still be far less work than bootstrapping a viable open source alternative from scratch.”
“But you have no guarantee what happens tomorrow with it, depending on what Google feels like.”
“there is already a great open source smartphone OS that works today”
“AOSP can be forked and it will still be leagues ahead of non-Android Linux phones”
“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”
“by "giving" Android/AOSP "for free" they want to exert control over the ecosystem”
“AOSP is far more private, secure, usable and compatible with a far broader amount of apps.”
“as long as Google is in control of AOSP, it controls the direction in which AOSP and all downstream projects are headed”
“AOSP is way ahead of Linux on Mobile, for many reasons.”
“Google decided Pixels would no longer be supported by AOSP which is why they stopped pushing the kernel drivers”
“AOSP provides far better privacy and security than a traditional desktop Linux distribution.”
“AOSP provides far better privacy and security than a traditional desktop Linux distribution”
“The best open source mobile OS you can get nowadays is based on AOSP”
“AOSP only provides a sample SMS/MMS app for testing purposes which is intended to be replaced.”
“None are as private and secure as unmodified AOSP.”
“this code will be indispensible to a European Manhattan project for tech sovereignty”
“AOSP made it increasingly difficult to contribute without being an Android partner and it's nearly impossible now.”
“It would be better to direct effort to AOSP projects as it is a much better base to build from.”
“They're not serious alternatives to an iPhone from a privacy and security perspective as an AOSP-based OS on decent hardware can be.”
“I don't see any fundamental benefit of throwing away decades of development done on AOSP”
“Android Open Source Project has good privacy and security as a starting point.”
“which is open source and very mature”
“It seems like a waste not to use an existing, well-developed, hardened, open source base”
“It is controlled by Google so it not. As long as Google is setting the roadmap for android it is not a viable option.”
“Android is at least somewhat open and Google free Android actually exists.”
“AOSP is open source. Anyone can fork it.”
“You get to skip the many years that Sailfish OS will still need in user testing.”
“It can only be cheaper than making it from scratch, since it has alot of work already done on it”
“AOSP dev went private, and Google is slower and slower at releasing the source, now twice a year.”
“But currently AOSP is very much open.”
“AOSP is being developed behind close doors and controlled by a single company which wields way too much power”
“I believe that AOSP is a lot better, with a much better security model.”
“The app sandbox and permission model has evolved a lot, in a good direction.”
“AOSP is basically useless at this point, it can't do much of anything without Google Play Services.”
“they used to publish the source code for the drivers as part of AOSP. Now they no longer publish the device trees”
“AOSP is the foundation of GrapheneOS, LineageOS and dozens of other patently non-Google systems.”
“It explains why AOSP is now private/closed source and embargos are being used to get around the laws requirements.”
Counts come from 1,795,640 Hacker News comments, November 2025 to November 2026. How we count. Report a mistake.