Color Tools vs Octodecuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Color Tools
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With this simple but very useful app you can visualize, convert and calculate any RGB colors. You can convert the RGB values in various formats (decimal, hexadecimal and more).
Octodecuple Calc
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Display 18 calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is update cadence: Octodecuple Calc at every 2 weeks against Color Tools's every 3 months. Color Tools's advantage is iOS requirement (11.0 vs 15.8.3). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Color Tools ships an update every 3 months, Octodecuple Calc every 2 weeks. The most recent releases landed on September 16, 2026 and September 23, 2026 respectively.
| Parameter | Color Tools | Octodecuple Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 11.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 26 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Raffaele Amuso | Hideaki Uchikoshi |
In-app purchases
Color Tools
No in-app purchases
Octodecuple Calc
No in-app purchases
