# Uniter vs Unitify

The clearest difference is in-app purchases: Unitify at none against Uniter's 3. Uniter's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Uniter sells 3 in-app purchases, starting at $3.99 per month. Unitify asks for nothing beyond the download.

Uniter ships an update every 4 days, Unitify every 2 weeks. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Uniter | Unitify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (73 ratings)](https://appshunter.io/ios/app/uniter-smart-unit-conversion/id1589272507/reviews)** | — |
| Number of ratings | **73** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 5 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arkadiusz Holko](https://appshunter.io/developer/683846458) | [Marwa Abou Niaaj](https://appshunter.io/developer/1407184850) |

## What reviewers say

### Uniter

[App page](https://appshunter.io/ios/app/uniter-smart-unit-conversion/id1589272507)

Effortlessly convert units of measurement directly within text, websites, or even through your camera. This utility automatically detects and converts units to your preferred system, supporting a vast array of measurement types.

**Highlights:** Automatic unit conversion, Live side-by-side converter, File import for conversion, Camera text scanning, Safari extension, Extensive unit support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Uniter Pro (Monthly) | $3.99 | per month |
| Uniter Pro (Annual) | $14.99 | per year |
| Uniter Pro (Lifetime) | $39.99 | one-time |


### Unitify

[App page](https://appshunter.io/ios/app/unitify-unit-conversion/id1641864451)

**In-app purchases:** none


## Frequently asked questions

### Is Uniter free?

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

### Is Unitify free?

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

### Do Uniter or Unitify have ads?

Neither Uniter nor Unitify shows ads.

### Which is updated more often, Uniter or Unitify?

Uniter ships an update every 4 days, and Unitify every 2 weeks. Most recently, Uniter was updated on October 16, 2026 and Unitify 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.*