# School Chimes vs ITOS Self3

The clearest difference is in-app purchases: ITOS Self3 at none against School Chimes's 1. ITOS Self3 also leads on ads (none vs shown) and iOS requirement (11.0 vs 15.0). School Chimes's advantage is update cadence (monthly vs every 3 months) and device support (3 vs 1). On price there is nothing between them.

Both are free to download. School Chimes sells 1 one-off in-app purchase. ITOS Self3 asks for nothing beyond the download.

School Chimes ships an update monthly, ITOS Self3 every 3 months. The most recent releases landed on October 21, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | School Chimes | ITOS Self3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (56 ratings)](https://appshunter.io/ios/app/school-chimes/id1023234803/reviews)** | — |
| Number of ratings | **56** | — |
| Positive reviews | 58.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 15 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [ITOS Inc](https://appshunter.io/developer/931339182) |

## What reviewers say

### School Chimes

[App page](https://appshunter.io/ios/app/school-chimes/id1023234803)

This app functions as a customizable alarm and scheduler, offering a unique school chime sound inspired by the Westminster Quarters. It allows users to set and manage chime schedules, choose different chime types, and control notification display. Advanced users can integrate with the app via URL schemes for automated control.

**Highlights:** Alarm and scheduling, School chime sound, Westminster Quarters tone, Customizable schedules, Chime type selection, Notification display control, URL scheme integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


### ITOS Self3

[App page](https://appshunter.io/ios/app/itos-self3/id1163101659)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is School Chimes free?

School Chimes is free to download, with in-app purchases available.

### Is ITOS Self3 free?

ITOS Self3 is free to download, with no in-app purchases.

### Do School Chimes or ITOS Self3 have ads?

School Chimes shows ads; ITOS Self3 does not.

### Which is updated more often, School Chimes or ITOS Self3?

School Chimes ships an update monthly, and ITOS Self3 every 3 months. Most recently, School Chimes was updated on October 21, 2026 and ITOS Self3 on October 3, 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.*