Calculator + vs RadMonJP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calculator +
This advanced calculator offers multiple calculation modes, a persistent history log, and customizable themes. It functions offline and is compatible with Mac devices, providing a comprehensive tool for various mathematical needs.
- Multiple calculator modes
- Calculation history log
- Customizable color themes
- Global comma formatting
- Offline functionality
- Mac compatibility
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******* 30%OFF ******* ******* Compatible with Mac App. ******* No advertisement. ******* No Internet Connection Required. ******* FullVersion. ******* You can move or check the calculation data of other calculators. ******* Data persistence. 1. TwinCalculator - 6 Calculator 2. Calculation History 3. Color (Basic) (Seashore) (Art Deco) (Cute) (Redon) (Gitanes) 4. Global Comma (0,000,000.0) (0,000,000·0) (0.000.000,0) (0’000’000.0) (0 000 000,0) (0,00,00,000.0) (0,0000,0000.0)
RadMonJP
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RadMonJP is a radiation monitoring app that helps you check radiation levels across Japan in real time. Key features: - Browse monitoring posts nationwide in a clear dashboard - View radiation levels on an interactive map - Check rankings to quickly identify higher readings - See each monitoring post's current reading, weather, and 24-hour trend - Customize daily reports and emergency alerts Whether you are checking conditions near home or planning a trip, RadMonJP helps you find the information you need quickly for greater peace of mind for you and your family. This app is supported by advertising. Join the annual sponsorship program to remove ads and support future development. Privacy Policy: https://radmon.jp/privacy Terms of Use: https://radmon.jp/terms
Screenshots
Verdict
The clearest difference is price: RadMonJP at Free against Calculator +'s $3.99. RadMonJP also leads on update cadence (every 8 days vs every 3 months). Calculator +'s advantage is in-app purchases (none vs 6) and iOS requirement (9.0 vs 26.0). On ads 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
RadMonJP is free to download; Calculator + costs $3.99 up front. RadMonJP sells 6 in-app purchases, starting at $0.99 per month. Calculator + asks for nothing beyond the download.
Calculator + ships an update every 3 months, RadMonJP every 8 days. The most recent releases landed on October 24, 2026 and October 19, 2026 respectively.
| Parameter | Calculator + | RadMonJP |
|---|---|---|
| Price | $3.99 | Free — better |
| Rating | 4.4 (13 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 13 — better | — |
| Update frequency | Every 3 months | Every 8 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 9.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 27 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Satomi Uchida | RR Aware Studio |
In-app purchases
Calculator +
No in-app purchases
RadMonJP
- プレミアム1ヶ月$0.991 Month
- Bronze$4.991 Year
- Silver sponsor$9.991 Year
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- Gold sponsor$19.991 Year
- Platinum sponsor$49.991 Year
- Diamond sponsor$99.991 Year
Questions
Is Calculator + free?
Is RadMonJP free?
Do Calculator + or RadMonJP have ads?
Which is updated more often, Calculator + or RadMonJP?
Other comparisons
