# School Calendar vs CellMaster

The clearest difference is review sentiment: School Calendar at 100% against CellMaster's 58%. School Calendar also leads on monetization model (free vs free with in-app purchases). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. School Calendar sells 3 one-off in-app purchases and CellMaster sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

School Calendar ships an update every 5 weeks, CellMaster every 3 weeks. Both last shipped on September 29, 2026.

## The numbers

| Metric | School Calendar | CellMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/cellmaster/id6749219558/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | **100.0% of reviews** | 58.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 213 MB |
| Requires iOS | **17.0** | 18.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jean-François Pérusse](https://appshunter.io/developer/393248383) | [yoni gold](https://appshunter.io/developer/1829345218) |

## What reviewers say

### School Calendar

[App page](https://appshunter.io/ios/app/school-calendar/id6467177838)

Manage your children's school schedules, holidays, and daily timetables with this free iOS and Apple Watch application. Easily set up calendars, share them with family, and access key information through customizable widgets and your smartwatch.

**Highlights:** Effortless school calendar and timetable setup, Apple Watch access for quick viewing, Customizable home screen widgets, Easy sharing with family and friends, Completely free with no ads or subscriptions

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Espresso | $0.99 | one-time |
| Cappuccino | $1.99 | one-time |
| Mochaccino | $3.99 | one-time |


### CellMaster

[App page](https://appshunter.io/ios/app/cellmaster/id6749219558)

Explore detailed cell tower information with interactive maps and carrier search. Save favorite towers and view dynamic frequency data, even offline. Understand your mobile network coverage with intuitive tools.

**Highlights:** Interactive cell tower maps, Carrier and frequency band search, Save and organize favorite towers, Dynamic frequency and antenna views, Offline data access

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |


## Frequently asked questions

### Is School Calendar free?

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

### Is CellMaster free?

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

### Do School Calendar or CellMaster have ads?

Neither School Calendar nor CellMaster shows ads.

### Which is updated more often, School Calendar or CellMaster?

School Calendar ships an update every 5 weeks, and CellMaster every 3 weeks. Most recently, School Calendar was updated on September 29, 2026 and CellMaster on September 29, 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.*