# 热气球 vs No Trace

The clearest difference is in-app purchases: 热气球 at none against No Trace's 1. 热气球 also leads on iOS requirement (13.5 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. No Trace sells 1 one-off in-app purchase. 热气球 asks for nothing beyond the download.

热气球 ships an update every 2 weeks, No Trace every 11 days. The most recent releases landed on October 16, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 热气球 | No Trace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 11 days** |
| Size | 9 MB | 101 MB |
| Requires iOS | **13.5** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Shanghai Rainmaking Information Technology Co., Ltd.](https://appshunter.io/developer/1546828793) | [Teamz Lab Ltd](https://appshunter.io/developer/1785282466) |

## What reviewers say

### 热气球

[App page](https://appshunter.io/ios/app/id1546828791)

**Features:** macOS Compatibility

**In-app purchases:** none


### No Trace

[App page](https://appshunter.io/ios/app/no-trace-private-code-chat/id6758867181)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $4.99 | one-time |


## Frequently asked questions

### Is 热气球 free?

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

### Is No Trace free?

No Trace is free to download, with in-app purchases available.

### Do 热气球 or No Trace have ads?

Neither 热气球 nor No Trace shows ads.

### Which is updated more often, 热气球 or No Trace?

热气球 ships an update every 2 weeks, and No Trace every 11 days. Most recently, 热气球 was updated on October 16, 2026 and No Trace on October 8, 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.*