# Know Words：Translate APP vs AIMOSS Pro

The clearest difference is in-app purchases: AIMOSS Pro at none against Know Words：Translate APP's 3. AIMOSS Pro also leads on update cadence (every 9 days vs every 3 weeks) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Know Words：Translate APP sells 3 in-app purchases, starting at $4.99 per 7 days. AIMOSS Pro asks for nothing beyond the download.

Know Words：Translate APP ships an update every 3 weeks, AIMOSS Pro every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Know Words：Translate APP | AIMOSS Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 9 days** |
| Size | 45 MB | 162 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hong Kong Global Cross-Border E-Commerce Co., Limited](https://appshunter.io/developer/1693750577) | [Shenzhen Hezehai Technology Co., Ltd.](https://appshunter.io/developer/1815186137) |

## What reviewers say

### Know Words：Translate APP

[App page](https://appshunter.io/ios/app/know-wordstranslate-app/id6776479336)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly PeakPro1 | $4.99 | per 7 days |
| Weekly PeakPro | $7.99 | per 7 days |
| Yearly PeakPro | $39.99 | per year |


### AIMOSS Pro

[App page](https://appshunter.io/ios/app/aimoss-pro/id6787379847)

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

**In-app purchases:** none


## Frequently asked questions

### Is Know Words：Translate APP free?

Know Words：Translate APP is free to download, with in-app purchases available.

### Is AIMOSS Pro free?

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

### Do Know Words：Translate APP or AIMOSS Pro have ads?

Neither Know Words：Translate APP nor AIMOSS Pro shows ads.

### Which is updated more often, Know Words：Translate APP or AIMOSS Pro?

Know Words：Translate APP ships an update every 3 weeks, and AIMOSS Pro every 9 days. Most recently, Know Words：Translate APP was updated on October 25, 2026 and AIMOSS Pro on October 24, 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.*