# App Block, Time limits vs Prison AI

The clearest difference is ads: Prison AI at none against App Block, Time limits's shown. App Block, Time limits's advantage is update cadence (every 8 days vs every 6 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. App Block, Time limits sells 5 in-app purchases, starting at $4.99 per 7 days and Prison AI sells 3 in-app purchases, starting at $0.49 per 7 days. Whichever you choose, the download price is not the number that matters.

App Block, Time limits ships an update every 8 days, Prison AI every 6 months. The most recent releases landed on August 25, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | App Block, Time limits | Prison AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/app-block-time-limits-flow/id6742873866/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 8 days** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Size | 119 MB | 4 MB |
| Requires iOS | 17.4 | **17** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Alcaeus Development AB](https://appshunter.io/developer/1638202818) | [Upasana Deshmukh](https://appshunter.io/developer/1801502050) |

## What reviewers say

### App Block, Time limits

[App page](https://appshunter.io/ios/app/app-block-time-limits-flow/id6742873866)

This app helps you regain control of your digital life by blocking distractions and building healthier screen habits. It offers scheduled app blocking, daily time limits, and focus sessions to improve productivity and mindfulness.

**Highlights:** Scheduled app and website blocking, Daily time limits for app usage, Hard difficulty blocking with no skipping, Focus sessions with custom app whitelists, Screen time and notification tracking, Analysis of productive vs. distractive screen time

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fokus Pro - Weekly | $4.99 | per 7 days |
| Flow Pro - Monthly | $5.99 | per month |
| Flow Pro - Yearly | $29.99 | per year |
| Flow Pro - Yearly | $39.99 | per year |
| Fokus Pro - App Blocker | $59.99 | per year |


### Prison AI

[App page](https://appshunter.io/ios/app/prison-ai/id6744533605)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $0.49 | per 7 days |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $4.99 | per year |


## Frequently asked questions

### Is App Block, Time limits free?

App Block, Time limits is free to download, with in-app purchases available.

### Is Prison AI free?

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

### Do App Block, Time limits or Prison AI have ads?

App Block, Time limits shows ads; Prison AI does not.

### Which is updated more often, App Block, Time limits or Prison AI?

App Block, Time limits ships an update every 8 days, and Prison AI every 6 months. Most recently, App Block, Time limits was updated on August 25, 2026 and Prison AI on September 9, 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.*