Summator vs Ai Study
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.
Ai Study
This tool helps children practice mental arithmetic with smart tracking of progress and performance. It categorizes correct and incorrect answers, monitors time spent, and provides daily topic statistics. A smart alarm clock feature is also included for reminders.
- Summarizes topic records
- Classifies correct/wrong answers
- Tracks time and correct rate
- Monitors daily topics
- Smart alarm clock reminder
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Smart Mental Arithmetic Trainer for children, the good tool help you learn maths: 1. Summarize the topic records and details, classify the correct and wrong answers. 2. Records for time-consuming, correct rate, number of topics per day. 3. Smart alarm clock reminder.
Screenshots
Verdict
The clearest difference is review sentiment: Summator at 83% against Ai Study's 0%. Ai Study's advantage is update cadence (every 2 months vs every 14 months) and device support (3 vs 1). On price, ads, in-app purchases and monetization model 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, Ai Study every 2 months. The most recent releases landed on September 10, 2026 and August 24, 2026 respectively.
| Parameter | Summator | Ai Study |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 83.3% of reviews — better | 0.0% of reviews |
| Update frequency | Every 14 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.2 | 10.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Dmitri Roudakov | Vson Technology Co., Ltd |
Customer experience
Summator
Ai Study
In-app purchases
Summator
No in-app purchases
Ai Study
No in-app purchases
