# Check-in by tatame0 — Attendance for martial arts

> Attendance for martial arts (iPhone/iPad app by Daniel Santos.)

- Source: https://appshunter.io/ios/app/check-in-by-tatame0/id6808236124 (this page in markdown: same URL + `.md`)
- Developer: [Daniel Santos](https://appshunter.io/developer/1824387325)
- Category: Sports, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 17.0 · 1 MB
- Languages: American English, Canadian French, Brazilian Portuguese
- Released: 2026-09-30
- Data updated: 2026-10-15

## What is Check?

Check-in by tatame0 turns an iPad or iPhone into the self-service attendance desk for a martial arts gym.

Stand it at the door, sign in once, and leave it. It shows the class that is running right now and every active student as a large, tappable name.

- Students check themselves in with one tap — no codes, no passwords, no waiting for staff.
- Each check-in is confirmed on the full screen with the student's belt and stripes, and how many classes are left before the next one.
- The class rolls over on its own as the schedule moves through the day.
- A mis-tap can be undone straight away, and a second tap never removes somebody by accident.
- If the internet drops, check-ins are held and sent as soon as it comes back.

This app is for gyms that already use tatame0. Sign in with the gym's owner or instructor account; students never need one. It is designed to run all day in Guided Access on a wall-mounted or desk-stand iPad, or on an iPhone propped up at the door.

Attendance feeds the gym's belt and stripe progression in tatame0, so the progress a student sees at the door is the same progress their instructor sees.

## Is Check safe?

Not enough ratings yet to assess Check.

## Is Check legit?

Check-in by tatame0 appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Check is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.3 — 2026-10-12

Check-in now runs on iPhone as well as iPad.

Prop a phone up at the door and students check in exactly as they do on the iPad kiosk: tap their name, see their belt and how close the next stripe is.

The iPad layout is unchanged.

### 1.1 — 2026-09-30

No release notes.

## More apps by Daniel Santos

- [Minha Próxima Faixa by tatame0](https://appshunter.io/ios/app/minha-proxima-faixa-by-tatame0/id6754972177)
- [AlerteEcole](https://appshunter.io/ios/app/alerteecole/id6756092868)
- [Fortaleza Mental](https://appshunter.io/ios/app/fortaleza-mental/id6787737352)
- [Tatame0](https://appshunter.io/ios/app/tatame0/id6808181420)
- [Paper Doll Studio: Dress Up](https://appshunter.io/ios/app/paper-doll-studio-dress-up/id6808972168)

All apps by Daniel Santos: https://appshunter.io/developer/1824387325

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-15.*