Comparison

默信 vs MosApp

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

默信

This secure messaging app offers end-to-end encrypted communication through text, voice, and video calls. Users can set and view personal statuses to stay updated on friends' activities.

Highlights
  • End-to-end encrypted chat
  • Personal status updates
  • Text, voice, and video calls
  • Reliable message delivery
  • Private and secure communication
Features
Read full description

【应用介绍】 专注聊天,沟通更简单。默信是一款专注即时沟通的聊天工具,为你和聊天搭子提供一个简单自在的聊天空间。支持文字、图片、语音、群聊等常用聊天功能,让每一次交流都轻松自然。 【核心功能】 极简聊天体验 文字、图片、语音等常用聊天方式一应俱全,界面简洁,操作流畅,让聊天回归简单自然。 群聊 把朋友聚在一起,约饭、出行、聊聊日常,多人沟通同样顺畅自在。 截屏提醒 聊天过程中,如聊天界面发生截屏,系统将及时发送提醒,方便了解聊天动态。 应用锁 支持为应用设置独立解锁方式,减少他人误操作进入应用,提升日常使用体验。 预设口令 支持为指定聊天设置进入验证,进入聊天前需输入预设口令,满足不同聊天场景下的使用需求。 默信,让聊天更简单。和聊天搭子聊聊想聊的事,让每一次沟通都简单自然。 问题反馈邮箱:18111576925@163.com

About

MosApp

This app offers secure, end-to-end encrypted messaging and calls with advanced features like disappearing messages, auto-translation, and AI assistants. It also integrates mini-programs for payments, bookings, and more, all within a customizable interface.

Highlights
  • End-to-end encrypted chats and calls
  • Disappearing messages and two-way deletion
  • Large group chats and public channels
  • In-chat auto-translation
  • AI agent and customer service
  • Integrated mini-programs for payments and bookings
  • App lock with biometrics
Features
Read full description

MosApp – Secure. Smart. All‑in‑one. End‑to‑End Encryption Protect every one‑on‑one chat, group chat, audio, and video call with robust double‑ratchet E2EE. Messages are private, ephemeral, and secure — unreadable to anyone outside the conversation . Voice & Video Calls Crystal‑clear real‑time calling with no limits — voice or video, one‑on‑one or in groups . Group Chats & Channels Create groups up to 10,000 members. Public and private channels for broadcasting or managing communities . Burn After Reading & Two‑Way Deletion Ghost your messages: they can disappear after reading, and both sender and receiver can delete content for everyone . Read Receipts & App Lock Know when messages are read and protect your chats behind an app‑lock (PIN, passcode, or biometrics) . Auto‑Translation Seamlessly translate messages in‑chat — perfect for connecting across languages . AI Agent & Customer Service Train your personal AI assistant to manage tasks, and set up AI‑powered customer support with private knowledge bases and message automation . Mini‑Programs & E‑Wallet Book hotels and flights, pay bills, recharge mobile credits, manage crypto, and enjoy mini‑apps — all within chat . Stickers, GIFs & Themes Express yourself with animated stickers, rich emoji reactions, and customizable chat themes . Cross‑Platform & Instant Messaging Use MosApp enjoy fast, real‑time, multimedia messaging without SMS/MMS fees. Supports over a dozen common languages English, Chinese, Japanese, Korean, Khmer, Vietnamese, Thai, Malay, and more. Why MosApp? - Privacy‑First: No external storage of conversations — true user privacy guaranteed . - All‑in‑One Convenience: Chat, call, pay, book, and manage tasks — no need to switch apps. - Scalable & Powerful: Handles huge groups, public broadcast channels, AI bots — ideal for social and business use. - Complete Customization: Bring any feature you can imagine to life. Simply integrate your creations as mini-apps into our platform to build the experience you want and operate your product, your way. User License Agreemen (EULA) : https://www.apple.com.cn/legal/internet-services/itunes/cn/terms.html Most of the functions of MosApp are permanently free to use, and users can use them normally without paying. Only a few advanced functions are limited to paid members, and they are also free for a limited time. MosApp Subscription/Renewal Guide The MosApp Premium features are currently free for a limited time. Charges will apply later based on the following pricing standards. 1. Subscription Options: Continuous Monthly Package (1 Month), Continuous Quarterly Package (3 Months), Continuous Yearly Package (12 Months), Monthly Package (1 Month), Quarterly Package (3 Months), Yearly Package (12 Months) 2. Prices: - Continuous: $2.49/month, $5.99/quarter, $19.99/year - Standard: $2.99/month, $7.99/quarter, $24.99/year 3. Payment: Charged to iTunes account upon purchase. 4. Renewal: For users who have subscribed to the continuous monthly/continuous quarterly/continuous annual package, subscriptions auto-renew will be charged within 24 hours before the expiration date. After the deduction, the subscription period will be extended by one subscription period 5. Cancellation: The cancellation is required to manually disable auto-renew in iTunes/Apple ID settings at least 24 hours before expiration. Privacy Policy:http://mosapp.app/en/privacy-policy User Service Agreement:http://mosapp.app/en/user-term-service Auto Renewal Service Agreement:http://mosapp.app/en/vip-continuous MosApp VIP Service Agreement:http://mosapp.app/en/vip-service

Screenshots

默信4 screens
MosApp4 screens

Verdict

The call

The clearest difference is rating: MosApp at 4.7 against 默信's 2.4. MosApp also leads on ads (none vs shown) and review sentiment (50% vs 17%). On price, ratings volume, update cadence and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. 默信 sells 10 one-off in-app purchases and MosApp sells 6 in-app purchases, starting at $2.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

MosApp holds the better App Store score, 4.7 against 2.4. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 17% of 默信's written reviews are positive against 50% of MosApp's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. Both last shipped on October 25, 2026.

Scorecard3 real differences · 7 level
默信 versus MosApp: the parameters behind the verdict, then further details
Parameter默信MosApp
PriceFreeFree
Rating2.4 (5 ratings)4.7 (3 ratings) — better
Positive reviews16.7% of reviews50.0% of reviews — better
Number of ratings5 — better3
Update frequencyFortnightlyFortnightly
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.0 — better15.5
Further details — not scored
Size132 MB268 MB
Age rating17+17+
DeveloperChengdu Anwei Technology Co., LtdHIGHLANDER TECHNOLOGIES PTE.LTD.

Customer experience

默信

All ratings5 ratings
Positive40.0%
Neutral0.0%
Negative60.0%
Written reviews6 reviews
Positive16.7%
Neutral0.0%
Negative83.3%

MosApp

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

10 purchases

默信

One-time10
  • 壁虎气泡装扮购买$0.99
  • 3月靓号服务$4.99
  • 50 壁虎币$6.99
Show 7 more
  • 6个月的靓号服务$9.99
  • 100 壁虎币$14.99
  • 1年靓号服务$19.99
  • 208 壁虎币$29.99
  • 订阅年容量套餐$39.99
  • 500M收藏容量$89.99
  • 1024M(1G)的收藏容量套餐$149.99
6 purchases

MosApp

Subscriptions3
  • Premium auto renewal monthly$2.491 Month
  • Premium auto renewal quarterly$5.993 Months
  • Premium auto renewal yearly$19.991 Year
One-time3
  • MosApp Premium per month$2.99
  • MosApp Premium per quarter$7.99
  • MosApp Premium per year$24.99

Questions

Is 默信 free?
默信 is free to download, with in-app purchases available.
Is MosApp free?
MosApp is free to download, with in-app purchases available.
Which has better reviews, 默信 or MosApp?
MosApp is rated higher. 默信 averages 2.4 out of 5 from 5 ratings, while MosApp averages 4.7 from 3 ratings.
Do 默信 or MosApp have ads?
默信 shows ads; MosApp does not.
Which is updated more often, 默信 or MosApp?
默信 ships an update fortnightly, and MosApp fortnightly. Most recently, 默信 was updated on October 25, 2026 and MosApp on October 25, 2026.

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