# Unit converter vs UnitFlip

The clearest difference is in-app purchases: Unit converter at none against UnitFlip's 1. Unit converter also leads on iOS requirement (15.6 vs 17.0). UnitFlip's advantage is ads (none vs shown) and update cadence (every 8 days vs every 24 months). On price and device support there is nothing between them.

Both are free to download. UnitFlip sells 1 one-off in-app purchase. Unit converter asks for nothing beyond the download.

Unit converter ships an update every 24 months, UnitFlip every 8 days. The most recent releases landed on October 15, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Unit converter | UnitFlip |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086/reviews)** | — |
| Number of ratings | **14** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 24 months | **Every 8 days** |
| Monetization | Ad-supported | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Deepak Jalwa](https://appshunter.io/developer/1809904290) | [TheChosenVictor LLC](https://appshunter.io/developer/1884403150) |

## What reviewers say

### Unit converter

[App page](https://appshunter.io/ios/app/unit-converter-convert-unit/id1582803086)

This application offers a straightforward and efficient way to convert various units. It features a simple interface for quick conversions and allows users to save their conversion history for future reference.

**Highlights:** Simple unit conversion, Quick conversion tool, Save conversion history, Intuitive UI, Elegant design

**Features:** macOS Compatibility

**In-app purchases:** none


### UnitFlip

[App page](https://appshunter.io/ios/app/unitflip-unit-converter/id6762089174)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $2.99 | one-time |


## Frequently asked questions

### Is Unit converter free?

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

### Is UnitFlip free?

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

### Do Unit converter or UnitFlip have ads?

Unit converter shows ads; UnitFlip does not.

### Which is updated more often, Unit converter or UnitFlip?

Unit converter ships an update every 24 months, and UnitFlip every 8 days. Most recently, Unit converter was updated on October 15, 2026 and UnitFlip on October 16, 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.*