Summator vs Octuple Calc
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Summator
This utility app functions as a specialized calculator for tracking expenses. It allows users to add items and their values, storing both the running total and the individual entries. This makes it easier to manage costs and correct mistakes compared to a standard calculator.
- Itemized expense tracking
- Stores running total
- Remembers entered numbers
- Easy correction of entries
- Basic calculator function
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The program was conceived as a calculator for calculating the cost of the check. Put it in the cart the product and drive its value. The program remembers and outputs the result. Of course, you can count on a ordinary calculator. But, with the usual calculator, it is likely to make a mistake or lose the result in the middle of the list. The accumulator holds not only stores the sum, but the list of entered numbers. So to be mistaken difficult, and to correct easily. And the function of simple calculator is present.
Octuple Calc
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Display eight calculators and perform calculations with each one.
Screenshots
Verdict
The clearest difference is ads: Summator at none against Octuple Calc's shown. Octuple Calc's advantage is update cadence (every 2 weeks vs every 14 months) and device support (3 vs 1). On price and in-app purchases 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.
Summator ships an update every 14 months, Octuple Calc every 2 weeks. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.
| Parameter | Summator | Octuple Calc |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| Update frequency | Every 14 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 15.8.3 — better |
| Further details — not scored | ||
| Size | 1 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitri Roudakov | Hideaki Uchikoshi |
In-app purchases
Summator
No in-app purchases
Octuple Calc
No in-app purchases
