# Summator vs Ai Study

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.

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.

## The numbers

| Metric | Summator | Ai Study |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 1 MB | 5 MB |
| Requires iOS | 17.2 | **10.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dmitri Roudakov](https://appshunter.io/developer/448176301) | [Vson Technology Co., Ltd](https://appshunter.io/developer/938010223) |

## What reviewers say

### Summator

[App page](https://appshunter.io/ios/app/summator/id1193480396)

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.

**Highlights:** Itemized expense tracking, Stores running total, Remembers entered numbers, Easy correction of entries, Basic calculator function

**Features:** macOS Compatibility

**In-app purchases:** none


### Ai Study

[App page](https://appshunter.io/ios/app/ai-study/id1631661998)

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.

**Highlights:** Summarizes topic records, Classifies correct/wrong answers, Tracks time and correct rate, Monitors daily topics, Smart alarm clock reminder

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Summator free?

Summator is free to download, with no in-app purchases.

### Is Ai Study free?

Ai Study is free to download, with no in-app purchases.

### Do Summator or Ai Study have ads?

Neither Summator nor Ai Study shows ads.

### Which is updated more often, Summator or Ai Study?

Summator ships an update every 14 months, and Ai Study every 2 months. Most recently, Summator was updated on September 10, 2026 and Ai Study on August 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*