# PomoKing vs Unchain

The clearest difference is update cadence: Unchain at every 4 days against PomoKing's every 9 days. PomoKing's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PomoKing sells 9 in-app purchases, starting at $0.99 per month and Unchain sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

PomoKing ships an update every 9 days, Unchain every 4 days. The most recent releases landed on October 17, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | PomoKing | Unchain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Size | 38 MB | 13 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Grzegorz Slusarski](https://appshunter.io/developer/6774351717) | [AinX Inc.](https://appshunter.io/developer/1508114508) |

## What reviewers say

### PomoKing

[App page](https://appshunter.io/ios/app/pomoking-adhd-deep-work-timer/id6774351715)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pomoking Monthly Pro | $0.99 | per month |
| Pomoking Pro Monthly Plan | $1.99 | per month |
| Pomoking Pro Monthly | $3.99 | per month |
| Pomoking Annual Pro | $5.99 | per year |
| Pomoking Pro Annual Plan | $11.99 | per year |
| Pomoking Pro Annual | $23.99 | per year |
| Pomoking Lifetime Pro | $14.99 | one-time |
| Pomoking Pro Lifetime Plan | $29.99 | one-time |
| Pomoking Pro Lifetime | $59.99 | one-time |


### Unchain

[App page](https://appshunter.io/ios/app/unchain-focus-app-blocker/id6778185584)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $1.99 | per month |
| Annual Pro | $14.99 | per year |
| Lifetime Pro | $39.99 | one-time |


## Frequently asked questions

### Is PomoKing free?

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

### Is Unchain free?

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

### Do PomoKing or Unchain have ads?

Neither PomoKing nor Unchain shows ads.

### Which is updated more often, PomoKing or Unchain?

PomoKing ships an update every 9 days, and Unchain every 4 days. Most recently, PomoKing was updated on October 17, 2026 and Unchain on September 30, 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.*