# Unit Converter and Conversion vs AtomView

The clearest difference is rating: AtomView at 5.0 against Unit Converter and Conversion's 4.0. AtomView also leads on in-app purchases (none vs 1) and ads (none vs shown). Unit Converter and Conversion's advantage is ratings volume (55 vs 1). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Unit Converter and Conversion sells 1 one-off in-app purchase. AtomView asks for nothing beyond the download.

AtomView holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Unit Converter and Conversion has 55 ratings behind it against 1, so its average is the more settled of the two.

Unit Converter and Conversion ships an update every 10 months, AtomView every 3 weeks. The most recent releases landed on October 20, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Unit Converter and Conversion | AtomView |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (55 ratings)](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomview/id1501115442/reviews)** |
| Number of ratings | **55** | 1 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 42 MB | 79 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Asad Ahsan](https://appshunter.io/developer/1326954499) | [Atomrock](https://appshunter.io/developer/1332473772) |

## What reviewers say

### Unit Converter and Conversion

[App page](https://appshunter.io/ios/app/unit-converter-and-conversion/id1350107532)

This app offers a user-friendly interface for converting units across more than 40 categories, including length, weight, volume, and digital storage. It works offline and saves conversion history for future reference. Ideal for students and professionals needing quick and accurate conversions.

**Highlights:** Over 40 conversion categories, Offline functionality, Conversion history saving, User-friendly interface, Supports length, weight, volume, and more, Elegant graphics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unit Converter Pro | $4.99 | one-time |


### AtomView

[App page](https://appshunter.io/ios/app/atomview/id1501115442)

Access an enterprise AIOT platform for real-time monitoring of devices and events across numerous global locations. View live feeds and playback recordings from edge AIOT devices through the cloud service. Requires an account for full functionality.

**Highlights:** Real-time device status monitoring, Event tracking and alerts, Live video feed access, Playback of recorded footage, Global location support, Edge AIOT device integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unit Converter and Conversion free?

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

### Is AtomView free?

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

### Which has better reviews, Unit Converter and Conversion or AtomView?

AtomView is rated higher. Unit Converter and Conversion averages 4.0 out of 5 from 55 ratings, while AtomView averages 5.0 from 1 ratings.

### Do Unit Converter and Conversion or AtomView have ads?

Unit Converter and Conversion shows ads; AtomView does not.

### Which is updated more often, Unit Converter and Conversion or AtomView?

Unit Converter and Conversion ships an update every 10 months, and AtomView every 3 weeks. Most recently, Unit Converter and Conversion was updated on October 20, 2026 and AtomView on October 4, 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.*