# PDF翻译 vs FireDone

The clearest difference is update cadence: PDF翻译 at every 3 days against FireDone's weekly. PDF翻译 also leads on iOS requirement (15.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PDF翻译 sells 3 in-app purchases, starting at $7.99 per month and FireDone sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

PDF翻译 ships an update every 3 days, FireDone weekly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PDF翻译 | FireDone |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Size | 11 MB | 7 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin Junray Technology Co., Ltd.](https://appshunter.io/developer/1792139982) | [骋 张](https://appshunter.io/developer/1562425831) |

## What reviewers say

### PDF翻译

[App page](https://appshunter.io/ios/app/pdf/id6755518596)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月 | $7.99 | per month |
| 单次翻译 | $0.99 | one-time |
| 永久会员 | $39.99 | one-time |


### 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 |


## Frequently asked questions

### Is PDF翻译 free?

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

### Is FireDone free?

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

### Do PDF翻译 or FireDone have ads?

Neither PDF翻译 nor FireDone shows ads.

### Which is updated more often, PDF翻译 or FireDone?

PDF翻译 ships an update every 3 days, and FireDone weekly. Most recently, PDF翻译 was updated on October 3, 2026 and FireDone on October 7, 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.*