# xCalc vs AtomCam

The clearest difference is price: AtomCam at Free against xCalc's $0.99. AtomCam also leads on update cadence (every 3 weeks vs every 8 months) and iOS requirement (9.3 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

AtomCam is free to download; xCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

xCalc ships an update every 8 months, AtomCam every 3 weeks. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | xCalc | AtomCam |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/atomcam/id1423558080/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 3 weeks** |
| Monetization | Paid | **Free** |
| Size | 1 MB | 17 MB |
| Requires iOS | 26.2 | **9.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kouichi Abe](https://appshunter.io/developer/295852950) | [Maxim Koshelev](https://appshunter.io/developer/923687266) |

## What reviewers say

### xCalc

[App page](https://appshunter.io/ios/app/xcalc-simple-calculator/id886562509)

A straightforward and user-friendly calculator app for performing basic arithmetic, tax calculations, and unit conversions. It offers memory functions, a calculation history, and customizable background colors for a personalized experience.

**Highlights:** Basic arithmetic operations, Memory functions, Tax calculation, Calculation history, Unit Converter, Customizable background colors

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

**In-app purchases:** none


### AtomCam

[App page](https://appshunter.io/ios/app/atomcam/id1423558080)

This utility app captures photos and records videos while displaying real-time readings from compatible Atom Dosimeters. It offers a solution for easily sharing device measurements and includes a flashlight feature. Users can also test the app with a dummy device before purchasing a dosimeter.

**Highlights:** Display dosimeter readings, Capture photos with readings, Record videos with readings, Flashlight feature, Dummy device testing

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is xCalc free?

xCalc costs $0.99, with no in-app purchases.

### Is AtomCam free?

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

### Do xCalc or AtomCam have ads?

Neither xCalc nor AtomCam shows ads.

### Which is updated more often, xCalc or AtomCam?

xCalc ships an update every 8 months, and AtomCam every 3 weeks. Most recently, xCalc was updated on October 14, 2026 and AtomCam on October 13, 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.*