# Focus Timer vs PrepLibrary

The clearest difference is in-app purchases: PrepLibrary at none against Focus Timer's 2. PrepLibrary also leads on update cadence (every 4 days vs monthly). Focus Timer's advantage is device support (4 vs 2) and iOS requirement (15.0 vs 17.6). On price and ads there is nothing between them.

Both are free to download. Focus Timer sells 2 in-app purchases, starting at $4.99 per 3 months. PrepLibrary asks for nothing beyond the download.

Focus Timer ships an update monthly, PrepLibrary every 4 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Focus Timer | PrepLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (12 ratings)](https://appshunter.io/ios/app/focus-timer-work-with-friend/id6463947468/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 129 MB | 250 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Alican Efe](https://appshunter.io/developer/1693988285) | [PREPLIBRARY LLP](https://appshunter.io/developer/6823395214) |

## What reviewers say

### Focus Timer

[App page](https://appshunter.io/ios/app/focus-timer-work-with-friend/id6463947468)

Enhance concentration with curated Baroque music and soothing rain sounds. Customize focus sessions with an adjustable timer to boost productivity and creativity. Create your ideal audio ambiance for work, study, or relaxation.

**Highlights:** Adjustable focus timer, Largo Baroque music, Rain soundscapes, Personalized audio ambiance, Productivity enhancement, Seamless interface

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Focus Timer Pro | $4.99 | per 3 months |
| Annual Professional Access | $9.99 | per year |


### PrepLibrary

[App page](https://appshunter.io/ios/app/preplibrary/id6823395212)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus Timer free?

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

### Is PrepLibrary free?

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

### Do Focus Timer or PrepLibrary have ads?

Neither Focus Timer nor PrepLibrary shows ads.

### Which is updated more often, Focus Timer or PrepLibrary?

Focus Timer ships an update monthly, and PrepLibrary every 4 days. Most recently, Focus Timer was updated on November 3, 2026 and PrepLibrary on November 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.*