# TURN vs Prubi

The clearest difference is price: Prubi at Free against TURN's $1.99. Prubi also leads on iOS requirement (16.4 vs 18.0). TURN's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Prubi is free to download; TURN costs $1.99 up front. Prubi sells 2 in-app purchases, starting at $29.99 per year. TURN asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 11, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | TURN | Prubi |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/turn-focus-timer/id6760718734/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Paid | — |
| Size | 9 MB | 35 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Junhong Park](https://appshunter.io/developer/1585298049) | [Teawoong Kim](https://appshunter.io/developer/6799824959) |

## What reviewers say

### TURN

[App page](https://appshunter.io/ios/app/turn-focus-timer/id6760718734)

This app offers a unique, minimalist approach to time management. Simply tilt your phone to select a preset focus or break duration, then tap to start. Sessions conclude when you decide they're finished, promoting uninterrupted work and mindful breaks.

**Highlights:** Tilt-based time selection, Customizable presets, Manual session ending, Automatic logging, Filtered records, Dark and light themes

**Features:** Vision Pro support

**In-app purchases:** none


### Prubi

[App page](https://appshunter.io/ios/app/prubi-ai-note-taking-journal/id6799824957)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Annual | $29.99 | per year |
| Premium Lifetime | $109.99 | one-time |


## Frequently asked questions

### Is TURN free?

TURN costs $1.99, with no in-app purchases.

### Is Prubi free?

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

### Do TURN or Prubi have ads?

Neither TURN nor Prubi shows ads.

### Which is updated more often, TURN or Prubi?

TURN ships an update every 3 days, and Prubi every 3 days. Most recently, TURN was updated on October 11, 2026 and Prubi 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.*