# UnitMaster vs CtrlF Pro

The clearest difference is price: CtrlF Pro at Free against UnitMaster's $0.99. CtrlF Pro also leads on update cadence (every 6 weeks vs every 5 months). UnitMaster's advantage is in-app purchases (none vs 1) and iOS requirement (15.0 vs 17). On ads and device support there is nothing between them.

CtrlF Pro is free to download; UnitMaster costs $0.99 up front. CtrlF Pro sells 1 one-off in-app purchase. UnitMaster asks for nothing beyond the download.

UnitMaster ships an update every 5 months, CtrlF Pro every 6 weeks. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | UnitMaster | CtrlF Pro |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 6 weeks** |
| Size | 4 MB | 3 MB |
| Requires iOS | **15.0** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Harshad Jadav](https://appshunter.io/developer/1687259507) | [贺 周](https://appshunter.io/developer/1815397078) |

## What reviewers say

### UnitMaster

[App page](https://appshunter.io/ios/app/unitmaster-converter-tool/id6755296377)

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

**In-app purchases:** none


### CtrlF Pro

[App page](https://appshunter.io/ios/app/ctrlf-pro/id6767729225)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CtrlF Pro | $4.99 | one-time |


## Frequently asked questions

### Is UnitMaster free?

UnitMaster costs $0.99, with no in-app purchases.

### Is CtrlF Pro free?

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

### Do UnitMaster or CtrlF Pro have ads?

Neither UnitMaster nor CtrlF Pro shows ads.

### Which is updated more often, UnitMaster or CtrlF Pro?

UnitMaster ships an update every 5 months, and CtrlF Pro every 6 weeks. Most recently, UnitMaster was updated on October 17, 2026 and CtrlF Pro on October 5, 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.*