# Tobo vs Arithmetic Tutor

The clearest difference is price: Tobo at Free against Arithmetic Tutor's $0.99. Tobo also leads on update cadence (every 3 months vs every 49 months) and iOS requirement (15.1 vs 17.6). Arithmetic Tutor's advantage is in-app purchases (none vs 6) and ads (none vs shown). On device support there is nothing between them.

Tobo is free to download; Arithmetic Tutor costs $0.99 up front. Tobo sells 6 in-app purchases, starting at $2.99 per month. Arithmetic Tutor asks for nothing beyond the download.

Tobo ships an update every 3 months, Arithmetic Tutor every 49 months. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Tobo | Arithmetic Tutor |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tobo-learn-greek-vocabulary/id1484402220/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 49 months |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 2 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Utku Uysal](https://appshunter.io/developer/1226022329) | [Ilya Belenkiy](https://appshunter.io/developer/371760835) |

## What reviewers say

### Tobo

[App page](https://appshunter.io/ios/app/tobo-learn-greek-vocabulary/id1484402220)

Master Greek vocabulary with interactive flashcards, word games, and pronunciation guides. Build a daily learning habit to progressively enrich your language skills. Unlock themed word lists and phrases to enhance practical communication.

**Highlights:** 3500 Greek words, adjectives, verbs, Audio pronunciation, Interactive flashcards, Word games and practice, Progress tracking, Themed phrasebooks, Earn points to unlock content

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Greek 1 month | $2.99 | per month |
| Greek 3 months | $6.49 | per 3 months |
| Greek 1 Year | $18.99 | per year |
| Remove Ads | $2.99 | one-time |
| Unlock Content | $3.99 | one-time |
| Best Offer | $4.99 | one-time |


### Arithmetic Tutor

[App page](https://appshunter.io/ios/app/arithmetic-tutor/id1633767607)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Tobo free?

Tobo is free to download, with in-app purchases available.

### Is Arithmetic Tutor free?

Arithmetic Tutor costs $0.99, with no in-app purchases.

### Do Tobo or Arithmetic Tutor have ads?

Tobo shows ads; Arithmetic Tutor does not.

### Which is updated more often, Tobo or Arithmetic Tutor?

Tobo ships an update every 3 months, and Arithmetic Tutor every 49 months. Most recently, Tobo was updated on October 7, 2026 and Arithmetic Tutor on October 14, 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.*