xCalc vs AtomCam
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
xCalc
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.
- Basic arithmetic operations
- Memory functions
- Tax calculation
- Calculation history
- Unit Converter
- Customizable background colors
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xCalc is a simple and easy-to-use calculator app. Key Features: ・Basic arithmetic operations ・Memory functions ・Tax calculation ・Calculation history ・Unit Converter ・Customizable background colors ・Wallpaper support (iPhone only) ・Tap and hold to copy results
AtomCam
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.
- Display dosimeter readings
- Capture photos with readings
- Record videos with readings
- Flashlight feature
- Dummy device testing
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AtomCam allows you to take pictures with your iOS device while displaying readings (dose rate) from your Atom Dosimeter (Swift, Fast, Tag, Mini). AtomCam solves a problem where you had to photograph / film your device in order to show its readings. AtomCam features in detail: * Flashlight feature available * Video Recording: Seeing or hearing something on AtomCam you want to share with radiation enthusiasts? Just press the record button and it will be recorded. * Dummy device: haven't purchased your Atom dosimeter yet. Not a problem you can test the app using a dummy device. Want to know more? Visit our website IMPORTANT NOTES =========== * The app will only connect to Atom dosimeters, no other devices are supported
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | xCalc | AtomCam |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 8 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 26.2 | 9.3 — better |
| Further details — not scored | ||
| Size | 1 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouichi Abe | Maxim Koshelev |
Customer experience
xCalc
AtomCam
In-app purchases
xCalc
No in-app purchases
AtomCam
No in-app purchases
