# Di@gno vs Cat Identifier

The clearest difference is in-app purchases: Di@gno at none against Cat Identifier's 3. Di@gno also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). Cat Identifier's advantage is update cadence (every 3 months vs every 17 months). On price and ads there is nothing between them.

Both are free to download. Cat Identifier sells 3 in-app purchases, starting at $3.99 per 7 days. Di@gno asks for nothing beyond the download.

Di@gno ships an update every 17 months, Cat Identifier every 3 months. The most recent releases landed on October 31, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Di@gno | Cat Identifier |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 3 months** |
| Size | 53 MB | 17 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [INRA](https://appshunter.io/developer/486390094) | [Ideas All Day Ltd.](https://appshunter.io/developer/1628099296) |

## What reviewers say

### Di@gno

[App page](https://appshunter.io/ios/app/digno-pom/id1126369159)

**Features:** Vision Pro support

**In-app purchases:** none


### Cat Identifier

[App page](https://appshunter.io/ios/app/cat-identifier-pet-scanner/id6740847877)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Weekly | $3.99 | per 7 days |
| Unlimited Monthly | $6.99 | per month |
| Unlimited Yearly | $34.99 | per year |


## Frequently asked questions

### Is Di@gno free?

Di@gno is free to download, with no in-app purchases.

### Is Cat Identifier free?

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

### Do Di@gno or Cat Identifier have ads?

Neither Di@gno nor Cat Identifier shows ads.

### Which is updated more often, Di@gno or Cat Identifier?

Di@gno ships an update every 17 months, and Cat Identifier every 3 months. Most recently, Di@gno was updated on October 31, 2026 and Cat Identifier on October 28, 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.*