# Ninjaz vs ADIO Attendance

The clearest difference is update cadence: Ninjaz at weekly against ADIO Attendance's every 3 months. Ninjaz also leads on device support (3 vs 1) and iOS requirement (15.6 vs 17.0). On price, ads and in-app purchases there is nothing between them.

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

Ninjaz ships an update weekly, ADIO Attendance every 3 months. The most recent releases landed on November 4, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Ninjaz | ADIO Attendance |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 months |
| Size | 33 MB | 70 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NINJAZ PORTAL L.L.C](https://appshunter.io/developer/1746896102) | [SMART VISION FOR INFORMATION SYSTEMS](https://appshunter.io/developer/1766932613) |

## What reviewers say

### Ninjaz

[App page](https://appshunter.io/ios/app/ninjaz/id6504881562)

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

**In-app purchases:** none


### ADIO Attendance

[App page](https://appshunter.io/ios/app/adio-attendance/id6759646835)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ninjaz free?

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

### Is ADIO Attendance free?

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

### Do Ninjaz or ADIO Attendance have ads?

Neither Ninjaz nor ADIO Attendance shows ads.

### Which is updated more often, Ninjaz or ADIO Attendance?

Ninjaz ships an update weekly, and ADIO Attendance every 3 months. Most recently, Ninjaz was updated on November 4, 2026 and ADIO Attendance 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.*