# 3Q Lab vs MosApp

The clearest difference is in-app purchases: 3Q Lab at none against MosApp's 10. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MosApp sells 10 one-off in-app purchases. 3Q Lab asks for nothing beyond the download.

3Q Lab ships an update every 10 days, MosApp fortnightly. The most recent releases landed on October 29, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 3Q Lab | MosApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (3 ratings)](https://appshunter.io/ios/app/mosapp/id6446265600/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 268 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [三驱科技(杭州)有限公司](https://appshunter.io/developer/1504179454) | [HIGHLANDER TECHNOLOGIES PTE.LTD.](https://appshunter.io/developer/1677054831) |

## What reviewers say

### 3Q Lab

[App page](https://appshunter.io/ios/app/3q-lab/id1504179455)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### MosApp

[App page](https://appshunter.io/ios/app/mosapp/id6446265600)

This app offers secure, end-to-end encrypted messaging and calls with features like disappearing messages, group chats up to 10,000 members, and AI assistants. It also integrates mini-programs for booking, payments, and crypto management.

**Highlights:** End-to-end encrypted chats and calls, Large group chats and public channels, Disappearing messages and two-way deletion, In-chat auto-translation, AI agent and customer service, Integrated mini-programs for payments and booking, App lock with biometrics

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 14金币 | $2.00 | one-time |
| MosApp Premium per month | $2.99 | one-time |
| 35金币 | $5.00 | one-time |
| 70金币 | $10.00 | one-time |
| 140金币 | $20.00 | one-time |
| 350金币 | $50.00 | one-time |
| 700金币 | $100.00 | one-time |
| 1400金币 | $200.00 | one-time |
| 3500金币 | $500.00 | one-time |
| 7000金币 | $1000.00 | one-time |


## Frequently asked questions

### Is 3Q Lab free?

3Q Lab is free to download, with no in-app purchases.

### Is MosApp free?

MosApp is free to download, with in-app purchases available.

### Do 3Q Lab or MosApp have ads?

Neither 3Q Lab nor MosApp shows ads.

### Which is updated more often, 3Q Lab or MosApp?

3Q Lab ships an update every 10 days, and MosApp fortnightly. Most recently, 3Q Lab was updated on October 29, 2026 and MosApp on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*