# AtlasNL vs Unit Converter

The clearest difference is in-app purchases: AtlasNL at none against Unit Converter's 10. AtlasNL also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. Unit Converter sells 10 in-app purchases, starting at $0.99 per 7 days. AtlasNL asks for nothing beyond the download.

AtlasNL ships an update daily, Unit Converter weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | AtlasNL | Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (9 ratings)](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 25.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 96 MB | 19 MB |
| Requires iOS | **8.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sima Nuevo Leon](https://appshunter.io/developer/1133718489) | [Eugene Kugut](https://appshunter.io/developer/1557454962) |

## What reviewers say

### AtlasNL

[App page](https://appshunter.io/ios/app/atlasnl/id1483623155)

**Features:** macOS Compatibility

**In-app purchases:** none


### Unit Converter

[App page](https://appshunter.io/ios/app/unit-converter-science-tools/id1557454960)

This app offers over 30 unit converters for science, engineering, and everyday use. It features advanced options like adjustable rounding, smart search, and calculation history, with customizable themes and an iPad-optimized interface.

**Highlights:** Over 30 unit converters, Adjustable rounding, Smart search by name or units, Copy/paste values, Swap units with one button, Calculation history, Customizable themes

**Features:** Family Sharing

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium access | $0.99 | per 7 days |
| Premium access | $0.99 | per month |
| Premium access | $1.99 | per 7 days |
| Premium access | $1.99 | per month |
| Premium access | $2.99 | per month |
| Premium access | $8.99 | per year |
| Premium access | $9.99 | per year |
| Premium access | $17.99 | per year |
| Premium access | $19.99 | per year |
| Premium access | $44.99 | one-time |


## Frequently asked questions

### Is AtlasNL free?

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

### Is Unit Converter free?

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

### Do AtlasNL or Unit Converter have ads?

Unit Converter shows ads; AtlasNL does not.

### Which is updated more often, AtlasNL or Unit Converter?

AtlasNL ships an update daily, and Unit Converter weekly. Most recently, AtlasNL was updated on November 3, 2026 and Unit Converter on November 3, 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.*