# 3T vs ZeroIM

The clearest difference is in-app purchases: ZeroIM at none against 3T's 13. ZeroIM also leads on review sentiment (89% vs 66%) and update cadence (every 5 days vs fortnightly). 3T's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. 3T sells 13 one-off in-app purchases. ZeroIM asks for nothing beyond the download.

3T ships an update fortnightly, ZeroIM every 5 days. The most recent releases landed on October 1, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | 3T | ZeroIM |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.1% of reviews | **88.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 157 MB | 169 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 17+ |
| Developer | [Beijing Baimo Technology Co., Ltd](https://appshunter.io/developer/1837084116) | [山东企语网络科技有限公司](https://appshunter.io/developer/1895730910) |

## What reviewers say

### 3T

[App page](https://appshunter.io/ios/app/3t-talk/id6751828209)

Experience a clean and pure social chat with essential communication features. This app prioritizes simplicity and privacy, ensuring your conversations are only seen by your friends. It's designed for users who prefer a straightforward and uncluttered messaging experience.

**Highlights:** Ultimate simplicity, Cleanest social experience, Pure communication, Privacy and security, Encrypted conversations

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1000 group activity points | $0.99 | one-time |
| Registration Fees | $0.99 | one-time |
| 2000 group activity points | $2.99 | one-time |
| Registration Fees | $2.99 | one-time |
| 3000 group activity points | $3.99 | one-time |
| Registration Fees | $3.99 | one-time |
| VIP Gift (1 month) | $4.99 | one-time |
| VIP（1-month） | $4.99 | one-time |
| Value Group Vanity Number | $6.99 | one-time |
| Value Personal Vanity Number | $14.99 | one-time |
| Quality Group Vanity Number | $39.99 | one-time |
| Quality Personal Vanity Number | $89.99 | one-time |
| Premium Group Vanity Number | $149.99 | one-time |


### ZeroIM

[App page](https://appshunter.io/ios/app/zeroim/id6764590685)

This app provides a secure and efficient platform for internal enterprise communication and collaboration. It supports various message types, high-definition audio/video calls, group management, and organizational structure features. It also offers a social feed for sharing updates and ensures data security with encryption.

**Highlights:** Instant messaging (text, voice, image, video, file), HD audio/video calls, Group chat and management, Organizational structure and employee management, Social feed for sharing updates, End-to-end encryption, Cross-device synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is 3T free?

3T is free to download, with in-app purchases available.

### Is ZeroIM free?

ZeroIM is free to download, with no in-app purchases.

### Do 3T or ZeroIM have ads?

ZeroIM shows ads; 3T does not.

### Which is updated more often, 3T or ZeroIM?

3T ships an update fortnightly, and ZeroIM every 5 days. Most recently, 3T was updated on October 1, 2026 and ZeroIM on September 29, 2026.

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