# Comsag vs Di@gno

The clearest difference is update cadence: Comsag at every 3 months against Di@gno's every 12 months. Di@gno's advantage is iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Comsag ships an update every 3 months, Di@gno every 12 months. The most recent releases landed on September 18, 2026 and January 28, 2026 respectively.

## The numbers

| Metric | Comsag | Di@gno |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 12 months |
| Size | 2 MB | 57 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TCSD](https://appshunter.io/developer/565948330) | [French National Institute for Agronomical Research](https://appshunter.io/developer/486390094) |

## What reviewers say

### Comsag

[App page](https://appshunter.io/ios/app/comsag/id565948207)

**Features:** macOS Compatibility

**In-app purchases:** none


### Di@gno

[App page](https://appshunter.io/ios/app/digno/id1386113396)

**In-app purchases:** none


## Frequently asked questions

### Is Comsag free?

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

### Is Di@gno free?

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

### Do Comsag or Di@gno have ads?

Neither Comsag nor Di@gno shows ads.

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

Comsag ships an update every 3 months, and Di@gno every 12 months. Most recently, Comsag was updated on September 18, 2026 and Di@gno on January 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.*