# AdlER Alpha vs RubiMask

The clearest difference is in-app purchases: AdlER Alpha at none against RubiMask's 3. AdlER Alpha also leads on ads (none vs shown) and iOS requirement (13.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. RubiMask sells 3 in-app purchases, starting at $2.99 per month. AdlER Alpha asks for nothing beyond the download.

AdlER Alpha ships an update every 3 weeks, RubiMask every 4 weeks. The most recent releases landed on October 18, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AdlER Alpha | RubiMask |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 24 MB | 26 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Anvin Info System](https://appshunter.io/developer/1486762551) | [KeiK LLC](https://appshunter.io/developer/1854674572) |

## What reviewers say

### AdlER Alpha

[App page](https://appshunter.io/ios/app/adler-alpha/id1598851298)

**Features:** macOS Compatibility

**In-app purchases:** none


### RubiMask

[App page](https://appshunter.io/ios/app/rubimask-ocr-pdf-scanner/id6756987331)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RubiMask Premium | $2.99 | per month |
| RubiMask Premium | $11.99 | per year |
| RubiMask Premium | $19.99 | one-time |


## Frequently asked questions

### Is AdlER Alpha free?

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

### Is RubiMask free?

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

### Do AdlER Alpha or RubiMask have ads?

RubiMask shows ads; AdlER Alpha does not.

### Which is updated more often, AdlER Alpha or RubiMask?

AdlER Alpha ships an update every 3 weeks, and RubiMask every 4 weeks. Most recently, AdlER Alpha was updated on October 18, 2026 and RubiMask on October 14, 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.*