talk99 vs BlindPost
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
talk99
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Talk99是多友公司于2010年推出的一款全网营销与管理软件， 专门帮助企业快速搭建自己的全网营销与管理平台，精细化管控营销过程，实现全员全网营销
BlindPost
A secure messaging app offering end-to-end encrypted chats and calls. Share media, use disappearing messages, and enjoy a private, ad-free experience with no tracking. Your privacy is protected with robust encryption and device-only key storage.
- End-to-end encrypted chats and calls
- Private and group messaging
- Voice and video calls
- Disappearing messages option
- PIN lock and biometric authentication
- No ads or third-party analytics
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BlindPost is a modern messaging app with end-to-end encryption built in. CHAT AND CALL • Private and group chats • Voice and video calls (WebRTC) • Share photos, videos, files, and voice messages • Message reactions, replies, and quotes • Link previews with rich metadata • Polls in group chats • Contact card sharing • Forward messages (text, image, video, file, contact) END-TO-END ENCRYPTED • Every message, call, and file is encrypted on your device before sending • Uses industry-standard cryptography (XChaCha20-Poly1305 and Ed25519) • Your private keys are stored only on your device • Your Ed25519 public key is your user ID — no phone number or email required to sign up • Zero-knowledge server architecture — servers route encrypted data they cannot read SECURITY • PIN lock and biometric authentication (Face ID / fingerprint) • Encrypted device backup via 12-word recovery phrase • Disappearing messages option for conversations you want to keep ephemeral • Open architecture with distributed server nodes for reliability NO TRACKING • No ads • No third-party analytics SDKs AVAILABLE IN 6 LANGUAGES English, 中文, 繁體中文, 日本語, 한국어, Español BlindPost is built for everyday private conversations with the people who matter to you.
Screenshots
Verdict
The clearest difference is update cadence: BlindPost at every 4 days against talk99's every 3 weeks. talk99's advantage is iOS requirement (9.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
talk99 ships an update every 3 weeks, BlindPost every 4 days. The most recent releases landed on October 4, 2026 and September 26, 2026 respectively.
| Parameter | talk99 | BlindPost |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 3 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 43 MB | 184 MB |
| Age rating | 4+ | 17+ |
| Developer | Doyoo Technology (Beijing) Co., Ltd. | MyProxy Technologies LLC |
In-app purchases
talk99
No in-app purchases
BlindPost
No in-app purchases
