# CountFlow vs UnitMaster

The clearest difference is price: CountFlow at Free against UnitMaster's $0.99. UnitMaster's advantage is ads (none vs shown) and iOS requirement (15.0 vs 17.0). On update cadence, in-app purchases and device support there is nothing between them.

CountFlow is free to download; UnitMaster costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CountFlow ships an update every 4 months, UnitMaster every 5 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | CountFlow | UnitMaster |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/countflow-countdown-and-counter/id6747855239/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 4 months** | Every 5 months |
| Monetization | Ad-supported | — |
| Size | 8 MB | 4 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Rodas Aroche](https://appshunter.io/developer/1706040833) | [Harshad Jadav](https://appshunter.io/developer/1687259507) |

## What reviewers say

### CountFlow

[App page](https://appshunter.io/ios/app/countflow-countdown-and-counter/id6747855239)

Manage your time and events with this versatile utility. Create countdowns, track scores with a customizable scoreboard, and use a simple tap counter. It also features a smart calendar and time unit conversion.

**Highlights:** Event countdowns, Customizable scoreboard, Tap counter, Smart calendar view, Time unit conversion

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

**In-app purchases:** none


### UnitMaster

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

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

**In-app purchases:** none


## Frequently asked questions

### Is CountFlow free?

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

### Is UnitMaster free?

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

### Do CountFlow or UnitMaster have ads?

CountFlow shows ads; UnitMaster does not.

### Which is updated more often, CountFlow or UnitMaster?

CountFlow ships an update every 4 months, and UnitMaster every 5 months. Most recently, CountFlow was updated on October 1, 2026 and UnitMaster on October 1, 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.*