# SiSchool vs Screen Time Blocker

The clearest difference is in-app purchases: SiSchool at none against Screen Time Blocker's 3. SiSchool also leads on device support (3 vs 1) and iOS requirement (10.0 vs 17.2). Screen Time Blocker's advantage is update cadence (every 3 days vs every 9 days). On price and ads there is nothing between them.

Both are free to download. Screen Time Blocker sells 3 in-app purchases, starting at $2.99 per month. SiSchool asks for nothing beyond the download.

SiSchool ships an update every 9 days, Screen Time Blocker every 3 days. The most recent releases landed on October 2, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | SiSchool | Screen Time Blocker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/screen-time-blocker-aphel/id6739789721/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 13 MB |
| Requires iOS | **10.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Maggioli s.p.a.](https://appshunter.io/developer/338548265) | [Can Berk Hayretdag](https://appshunter.io/developer/1629754201) |

## What reviewers say

### SiSchool

[App page](https://appshunter.io/ios/app/sischool/id1584651378)

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

**In-app purchases:** none


### Screen Time Blocker

[App page](https://appshunter.io/ios/app/screen-time-blocker-aphel/id6739789721)

This app helps you regain control of your phone usage by blocking distracting applications and websites. Set custom time limits, track your usage, and utilize focus modes to improve concentration and reduce digital distractions for a more productive day.

**Highlights:** Block distracting apps and websites, Set custom screen time limits, Track phone usage, Smart reminders and focus modes, Reduce phone addiction, Boost productivity

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Focus Pro Monthly | $2.99 | per month |
| Focus Pro Annual Close Offer | $9.99 | per year |
| Focus Pro Annual | $19.99 | per year |


## Frequently asked questions

### Is SiSchool free?

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

### Is Screen Time Blocker free?

Screen Time Blocker is free to download, with in-app purchases available.

### Do SiSchool or Screen Time Blocker have ads?

Neither SiSchool nor Screen Time Blocker shows ads.

### Which is updated more often, SiSchool or Screen Time Blocker?

SiSchool ships an update every 9 days, and Screen Time Blocker every 3 days. Most recently, SiSchool was updated on October 2, 2026 and Screen Time Blocker on October 10, 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.*