Hacker ApprovedDepartments

Silence encrypted SMS app

Shares rank 34 of 48 messaging apps by recommenders

Encrypted SMS app that some people recommend for private texting and automatic call rejection. Common caveat: encrypted messages can be lost after a phone change or reinstall.

Encrypted SMS app that some people recommend for private texting and automatic call rejection. Common caveat: encrypted messages can be lost after a phone change or reinstall.

8 people gave an opinion

recommend it
7
criticize it
1
approval share
88%
Each figure is one person. RecommendsCriticizes

Recommended in 6 of 13 months

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

Why it doesn’t carry the badge

  • 7 people recommend itNeeds 10 or more, not met.
  • 7 recommenders for every criticNeeds 2 to 1 or better, met.
  • Recommended in 6 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.

What people warn about

Each mark is one comment

  • Messages lost after phone change or reinstall

    “when you changed phone / reinstalled you would receive the encrypted message”

    Comment from 23 Jul 2026 in “Show HN: Ekko – PQC encryption inside of your keyboard”
  • F-Droid source code no longer available

    “I stopped using it when f-droid said the source code was no longer available.”

    Comment from 14 Sep 2026 in “Registration without a phone number on Signal will use zero-knowledge proofs”
  • Not recommended for regular people

    “Both are not something I'd recommend to regular people”

    Comment from 6 Nov 2025 in “Microsoft Can't Keep EU Data Safe from US Authorities”
  • Lack of interop forces everyone to switch

    “the lack of interop and needing to make everyone move again soured me on the whole thing”

    Comment from 14 Sep 2026 in “Registration without a phone number on Signal will use zero-knowledge proofs”

Other messaging apps people recommend

The four most recommended other messaging apps, 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.

Silence encrypted SMS app compared with 4 alternatives
ProductRecommendCriticizeApprovalMonthsOwnedBadge
Signal48633060%139 yrs5 owners—
Discord40073335%1210 yrs24 owners—
WhatsApp30050337%122 yrs3 owners—
Telegram22921152%1210 yrs4 owners—
Silence encrypted SMS appThis page7188%6——
See all 48 messaging apps, ranked

What people said

All 8 comments that mention it, newest first. Each links to the original comment.

“Following is a great movie on that topic.”

RecommendsComment from 18 Oct 2026 in “Gold is now the top U.S. export”

“Silence for automatic call rejection”

RecommendsComment from 22 Sep 2026 in “Apple has added persistent 'ads' to iOS, and it's driving users crazy”

“I stopped using it when f-droid said the source code was no longer available.”

MixedComment from 14 Sep 2026 in “Registration without a phone number on Signal will use zero-knowledge proofs”

“the lack of interop and needing to make everyone move again soured me on the whole thing”

CriticizesComment from 14 Sep 2026 in “Registration without a phone number on Signal will use zero-knowledge proofs”

“when you changed phone / reinstalled you would receive the encrypted message”

MixedComment from 23 Jul 2026 in “Show HN: Ekko – PQC encryption inside of your keyboard”

“One of my favorite tunes ever is from Northern Exposure: Expeditions”

RecommendsComment from 18 May 2026 in “Magical Realism: "Northern Exposure" 25 Years Later (2015)”

“My favorite Japanese book in a long time.”

RecommendsComment from 26 Dec 2025 in “Ask HN: What did you read in 2025?”

“Both are not something I'd recommend to regular people”

MixedComment from 6 Nov 2025 in “Microsoft Can't Keep EU Data Safe from US Authorities”

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