# FireDone vs 小天 AI

The clearest difference is update cadence: 小天 AI at every 3 days against FireDone's weekly. 小天 AI also leads on iOS requirement (16.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. FireDone sells 1 one-off in-app purchase and 小天 AI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

FireDone ships an update weekly, 小天 AI every 3 days. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | FireDone | 小天 AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Size | 7 MB | 74 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [骋 张](https://appshunter.io/developer/1562425831) | [上海同舟纪元科技有限公司](https://appshunter.io/developer/6797421457) |

## What reviewers say

### FireDone

[App page](https://appshunter.io/ios/app/firedone/id6761127633)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FireDone Pro | $6.99 | one-time |


### 小天 AI

[App page](https://appshunter.io/ios/app/ai/id6797421455)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 小额加油包 | $0.99 | one-time |
| 新手流量包 | $0.99 | one-time |
| 标准加油包 | $3.99 | one-time |


## Frequently asked questions

### Is FireDone free?

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

### Is 小天 AI free?

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

### Do FireDone or 小天 AI have ads?

Neither FireDone nor 小天 AI shows ads.

### Which is updated more often, FireDone or 小天 AI?

FireDone ships an update weekly, and 小天 AI every 3 days. Most recently, FireDone was updated on September 20, 2026 and 小天 AI on September 18, 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.*