# IDL Attendance vs Kidy

The clearest difference is in-app purchases: Kidy at none against IDL Attendance's 3. Kidy also leads on ads (none vs shown). IDL Attendance's advantage is update cadence (every 6 days vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. IDL Attendance sells 3 in-app purchases, starting at $0.99 per month. Kidy asks for nothing beyond the download.

IDL Attendance ships an update every 6 days, Kidy fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | IDL Attendance | Kidy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 73 MB | 25 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duygu Ceylan Kaya](https://appshunter.io/developer/1877030970) | [2Lines Sistem SRL](https://appshunter.io/developer/6804285294) |

## What reviewers say

### IDL Attendance

[App page](https://appshunter.io/ios/app/idl-attendance-roll-call/id6760389433)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Premium Monthly | $0.99 | per month |
| Student Premium Yearly | $5.99 | per year |
| Student Premium Lifetime | $14.49 | one-time |


### Kidy

[App page](https://appshunter.io/ios/app/kidy/id6804285292)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is IDL Attendance free?

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

### Is Kidy free?

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

### Do IDL Attendance or Kidy have ads?

IDL Attendance shows ads; Kidy does not.

### Which is updated more often, IDL Attendance or Kidy?

IDL Attendance ships an update every 6 days, and Kidy fortnightly. Most recently, IDL Attendance was updated on November 5, 2026 and Kidy on October 31, 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.*