# gotcha vs Ai 토비

The clearest difference is ads: Ai 토비 at none against gotcha's shown. Ai 토비 also leads on iOS requirement (11.0 vs 16.0). gotcha's advantage is update cadence (every 2 weeks vs every 2 months). On price, 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.

gotcha ships an update every 2 weeks, Ai 토비 every 2 months. The most recent releases landed on October 4, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | gotcha | Ai 토비 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 17 MB | 25 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [JEONG KYU Baek](https://appshunter.io/developer/1596868219) | [JEONG YEOL JEON](https://appshunter.io/developer/1590959256) |

## What reviewers say

### gotcha

[App page](https://appshunter.io/ios/app/gotcha/id1544908001)

This app simplifies attendance tracking for small academies and study rooms. It allows students to check in with a simple button press, automatically sending attendance notifications via SMS or KakaoTalk to guardians. The service offers free SMS messaging, deducted from your existing mobile plan.

**Highlights:** Student attendance check-in, Automated SMS notifications, KakaoTalk message sending, Free SMS messaging, Simple interface, Attendance management

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

**In-app purchases:** none


### Ai 토비

[App page](https://appshunter.io/ios/app/ai/id1594158345)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is gotcha free?

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

### Is Ai 토비 free?

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

### Do gotcha or Ai 토비 have ads?

gotcha shows ads; Ai 토비 does not.

### Which is updated more often, gotcha or Ai 토비?

gotcha ships an update every 2 weeks, and Ai 토비 every 2 months. Most recently, gotcha was updated on October 4, 2026 and Ai 토비 on October 12, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*