# Prison AI vs Study & Work Timer

The clearest difference is update cadence: Study & Work Timer at every 2 weeks against Prison AI's every 6 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Prison AI sells 3 in-app purchases, starting at $0.49 per 7 days and Study & Work Timer sells 4 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Prison AI ships an update every 6 months, Study & Work Timer every 2 weeks. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Prison AI | Study & Work Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/study-and-work-timer-lock-in/id6745751608/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 2 weeks** |
| Monetization | — | Freemium |
| Size | 4 MB | 59 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Upasana Deshmukh](https://appshunter.io/developer/1801502050) | [Dipanshu Sehrawat](https://appshunter.io/developer/1747965608) |

## What reviewers say

### 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 |


### Study & Work Timer

[App page](https://appshunter.io/ios/app/study-and-work-timer-lock-in/id6745751608)

This app helps you focus by blocking distractions and tracking your work sessions. Build streaks and visualize your productivity with detailed stats to optimize your routine and achieve your goals.

**Highlights:** Focus Timer (Pomodoro or Custom), App Blocker, Daily Goal + Streak Tracker, Productivity Stats, Daily Timeline View, Capture thoughts during focus

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Monthly | $1.99 | per month |
| Annual | $14.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Prison AI free?

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

### Is Study & Work Timer free?

Study & Work Timer is free to download, with in-app purchases available.

### Do Prison AI or Study & Work Timer have ads?

Neither Prison AI nor Study & Work Timer shows ads.

### Which is updated more often, Prison AI or Study & Work Timer?

Prison AI ships an update every 6 months, and Study & Work Timer every 2 weeks. Most recently, Prison AI was updated on September 9, 2026 and Study & Work Timer on September 8, 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.*