Calccis vs TimecodeRPN
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Calccis
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Calccis is a reverse polish notation (RPN) calculator. It supports basic arithmetic, trigonometrical, logarithm and exponent calculations for real, fractional, and complex numbers. Degrees and radians can be used for trigonometrical functions. You can perform matrix calculations, too. There is an undo stack, which supports undoing and redoing the 100 latest operations. Calccis does not copy or mimic any existing physical calculators. However, the operation of the stack has been influenced by how the stack works in the 1990s Hewlett-Packard HP-48 family of calculators.
TimecodeRPN
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This is a RPN timecode calculator styled after the HP calculators of old.
Screenshots
Verdict
The clearest difference is price: Calccis at Free against TimecodeRPN's $0.99. TimecodeRPN's advantage is update cadence (every 2 days vs every 3 weeks). On ads, in-app purchases, device support and iOS requirement 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
Calccis is free to download; TimecodeRPN costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Calccis ships an update every 3 weeks, TimecodeRPN every 2 days. The most recent releases landed on September 12, 2026 and September 13, 2026 respectively.
| Parameter | Calccis | TimecodeRPN |
|---|---|---|
| Price | Free — better | $0.99 |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.6 | 17.6 |
| Further details — not scored | ||
| Size | 1 MB | 19 MB |
| Age rating | 4+ | 4+ |
| Developer | Jukka Aittola | Denis Leconte |
In-app purchases
Calccis
No in-app purchases
TimecodeRPN
No in-app purchases
