# Units vs SyncList

The clearest difference is update cadence: Units at every 5 weeks against SyncList's every 9 months. Units also leads on device support (4 vs 2) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Units sells 3 in-app purchases, starting at $0.99 per month and SyncList sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Units ships an update every 5 weeks, SyncList every 9 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Units | SyncList |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (261 ratings)](https://appshunter.io/ios/app/units-unit-converter/id1527329982/reviews)** | — |
| Number of ratings | **261** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 9 months |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andreas Maier](https://appshunter.io/developer/454364359) | [SoftwareCrab Limited](https://appshunter.io/developer/1715334316) |

## What reviewers say

### Units

[App page](https://appshunter.io/ios/app/units-unit-converter/id1527329982)

Easily convert between a wide range of measurement units and currencies. Features a clear and simple interface for quick conversions of length, mass, volume, speed, and more. Supports popular currencies and common units for everyday use.

**Highlights:** Extensive unit conversions, Multiple currency support, Easy and clear handling, Converts length, mass, volume, Supports speed, area, pressure, Converts time and temperature

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $4.99 | per year |
| One time purchase | $9.99 | one-time |


### SyncList

[App page](https://appshunter.io/ios/app/synclist/id6473753936)

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Annual | $34.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Units free?

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

### Is SyncList free?

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

### Do Units or SyncList have ads?

Neither Units nor SyncList shows ads.

### Which is updated more often, Units or SyncList?

Units ships an update every 5 weeks, and SyncList every 9 months. Most recently, Units was updated on October 11, 2026 and SyncList on October 8, 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.*