# integer AR vs UniReader

The clearest difference is in-app purchases: integer AR at none against UniReader's 3. integer AR also leads on iOS requirement (12.0 vs 17.0). UniReader's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. UniReader sells 3 in-app purchases, starting at $1.99 per month. integer AR asks for nothing beyond the download.

integer AR ships an update every 2 months, UniReader every 2 weeks. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | integer AR | UniReader |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 172 MB | 19 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [integer AR](https://appshunter.io/developer/1156869823) | [Guglielmo Pasa](https://appshunter.io/developer/417854438) |

## What reviewers say

### integer AR

[App page](https://appshunter.io/ios/app/integer-ar/id1634626496)

**Features:** macOS Compatibility

**In-app purchases:** none


### UniReader

[App page](https://appshunter.io/ios/app/unireader-multi-format-reader/id6759504986)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UniReader Premium Monthly | $1.99 | per month |
| UniReader Premium Yearly | $19.99 | per year |
| UniReader Premium Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is integer AR free?

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

### Is UniReader free?

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

### Do integer AR or UniReader have ads?

Neither integer AR nor UniReader shows ads.

### Which is updated more often, integer AR or UniReader?

integer AR ships an update every 2 months, and UniReader every 2 weeks. Most recently, integer AR was updated on September 22, 2026 and UniReader on September 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.*