Circtek vs my15c
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Circtek
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Circtek.io offers a verification checklist for used devices, helping users identify key functions. Some tests require manual user input, while others are automated for user review, enhancing the overall experience.
my15c
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my15C is a faithful emulation of the classic 15C ā the legendary RPN scientific programmable calculator, running the original Voyager-series microcode ROM, cycle-accurate. Built for engineers, scientists, and RPN enthusiasts who want the real thing in their pocket ā not just a look-alike. FEATURES ā¢ Authentic 15C ROM emulation ā same logic, same quirks as the original 1982 hardware ā¢ Full RPN entry with a 4-level stack ā¢ Complex number arithmetic ā¢ Matrix operations ā¢ Numerical integration (ā«f(x)) ā¢ Root solving (SOLVE) ā¢ Full programmability ā write, edit, and run your own programs ā¢ Continuous memory with iCloud sync across your devices ā¢ Authentic 7-segment LCD display and keyboard layout ā¢ Landscape-optimized for iPhone, iPad, and Mac
Screenshots
Verdict
The clearest difference is in-app purchases: Circtek at none against my15c's 1. Circtek also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. my15c sells 1 one-off in-app purchase. Circtek asks for nothing beyond the download.
Circtek ships an update every 6 days, my15c every 5 days. Both last shipped on October 24, 2026.
| Parameter | Circtek | my15c |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 days | Every 5 days ā better |
| Ads | No | No |
| In-app purchases | No ā better | Yes |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 12 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | RM online B.V. | Miroslav Perovic |
In-app purchases
Circtek
No in-app purchases
my15c
- Unlock Full App$9.99
