SimpleCalc. vs Octodecuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SimpleCalc.
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Just a simple calculator. Use this calculator as your every day simple calculator with no ads, while having one of our beautiful tailor-made themes. Enjoy using it, and please put a nice review if you like it. Thanks! @Himnerom
Octodecuple Calc
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Display 18 calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is ads: SimpleCalc. at none against Octodecuple Calc's shown. Octodecuple Calc's advantage is update cadence (every 2 weeks vs every 7 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.
SimpleCalc. ships an update every 7 months, Octodecuple Calc every 2 weeks. The most recent releases landed on September 14, 2026 and September 23, 2026 respectively.
| Parameter | SimpleCalc. | Octodecuple Calc |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 7 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.8.3 |
| Further details — not scored | ||
| Size | 16 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Romain Rousseau | Hideaki Uchikoshi |
In-app purchases
SimpleCalc.
No in-app purchases
Octodecuple Calc
No in-app purchases
