People look for Signal alternatives when they want anonymity without sharing a phone number, a bigger user base, or different features. Every pick below shares Signal's core: private messaging with end-to-end encryption for texts, and often calls and media. Some go further on anonymity, others trade some privacy for reach and features. We ranked them by embedding similarity to Signal's secure-messaging model, then weighed live App Store ratings and review counts so the more trusted, widely used apps surface first. Encryption strength and defaults vary, so check how each handles keys and metadata before switching sensitive conversations.
How we ranked these 10 alternatives
Embedding similarity
Every app in our database carries a dense vector embedding derived from its title, subtitle, full description, and category metadata. To find apps similar to Signal - Private Messenger, we compute cosine distance against every other app and surface the closest 60 candidates. The similarity score shown on each pick is 1 - distance/2 clamped to [0,1] — 100% means the embedding spaces are identical, 0% means orthogonal.
Re-ranking signals
We then re-rank the candidate set using current App Store rating and review-count signals so a 4.8-star app with 100,000 reviews ranks above a 4.5-star app with 200 reviews even when their embedding distance is similar. Apps that haven't shipped an update in 12 months are filtered out before re-ranking.
Refresh cadence
The similarity cache is recomputed weekly. Live App Store data (rating, review count) is verified every 6 hours.
What we don't do
No paid placements. No affiliate links. No sponsored picks. Read our full methodology.