Ducala vs PaletteCalculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ducala
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Calculate in hours and minutes. up to thousand hours.
PaletteCalculator
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PaletteCalculator has the following functions ・display of calculation formula ・history ・memory ・undo ・selection of calculation formulas by cursor / partial selection / overall selection PaletteCalculator supports the following functions ・sin ・cos ・tan ・arcsin ・arccos ・arctan ・sinh ・cosh ・tanh ・arcsinh ・arccosh ・arctanh ・exp ・log ・power ・root ・factorical ・nPk ・nCk ・nHk ・tax
Screenshots
Verdict
The clearest difference is ads: Ducala at none against PaletteCalculator's shown. Ducala also leads on update cadence (fortnightly vs every 6 months). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Ducala ships an update fortnightly, PaletteCalculator every 6 months. Both last shipped on October 27, 2026.
| Parameter | Ducala | PaletteCalculator |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly — better | Every 6 months |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 17 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Teerachart Jongkoldee | Towa TAKEUCHI |
In-app purchases
Ducala
No in-app purchases
PaletteCalculator
No in-app purchases
