# Checkieb vs Units

The clearest difference is in-app purchases: Checkieb at none against Units's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Units sells 3 in-app purchases, starting at $0.99 per month. Checkieb asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 weeks. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Checkieb | Units |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (262 ratings)](https://appshunter.io/ios/app/units-unit-converter/id1527329982/reviews)** |
| Number of ratings | — | **262** |
| Positive reviews | — | 45.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 25 MB | 3 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [INGENIERIA ESPECIALIZADA S A](https://appshunter.io/developer/1519288535) | [Andreas Maier](https://appshunter.io/developer/454364359) |

## What reviewers say

### Checkieb

[App page](https://appshunter.io/ios/app/checkieb/id1519436516)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Checkieb free?

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

### Is Units free?

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

### Do Checkieb or Units have ads?

Neither Checkieb nor Units shows ads.

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

Checkieb ships an update every 5 weeks, and Units every 5 weeks. Most recently, Checkieb was updated on October 25, 2026 and Units on October 27, 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.*