# SubLens vs On

The clearest difference is in-app purchases: On at none against SubLens's 3. On also leads on iOS requirement (15.0 vs 18.0). SubLens's advantage is update cadence (weekly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SubLens sells 3 in-app purchases, starting at $1.99 per 7 days. On asks for nothing beyond the download.

SubLens ships an update weekly, On every 2 months. The most recent releases landed on October 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SubLens | On |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Size | 14 MB | 68 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Snowcraft LLC](https://appshunter.io/developer/1554726742) | [Ratthamontree Burimas](https://appshunter.io/developer/1542432802) |

## What reviewers say

### SubLens

[App page](https://appshunter.io/ios/app/sublens-subtitle-translator/id6745773286)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $1.99 | per 7 days |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $47.99 | per year |


### On

[App page](https://appshunter.io/ios/app/on-screen-subtitle-generator/id6755986239)

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

**In-app purchases:** none


## Frequently asked questions

### Is SubLens free?

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

### Is On free?

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

### Do SubLens or On have ads?

Neither SubLens nor On shows ads.

### Which is updated more often, SubLens or On?

SubLens ships an update weekly, and On every 2 months. Most recently, SubLens was updated on October 6, 2026 and On on October 27, 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.*