# 数学クイズ なん度？ vs AI英会話スピークバディ

The clearest difference is ads: AI英会話スピークバディ at none against 数学クイズ なん度？'s shown. AI英会話スピークバディ also leads on update cadence (weekly vs every 5 months) and rating (4.8 vs 4.6). On price, review sentiment, ratings volume and in-app purchases there is nothing between them.

Both are free to download. 数学クイズ なん度？ sells 2 one-off in-app purchases and AI英会話スピークバディ sells 8 in-app purchases, starting at $24.99 per month. Whichever you choose, the download price is not the number that matters.

AI英会話スピークバディ holds the better App Store score, 4.8 against 4.6. Both are backed by a comparable volume of ratings — 195 and 186 respectively. Written reviews complicate that: 78% of 数学クイズ なん度？'s written reviews are positive against 76% of AI英会話スピークバディ's, so the app with the better star average is not the one people write more warmly about.

数学クイズ なん度？ ships an update every 5 months, AI英会話スピークバディ weekly. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 数学クイズ なん度？ | AI英会話スピークバディ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (195 ratings)](https://appshunter.io/ios/app/id541532555/reviews) | **[4.8 (186 ratings)](https://appshunter.io/ios/app/ai/id1129621266/reviews)** |
| Number of ratings | **195** | 186 |
| Positive reviews | **77.8% of reviews** | 75.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 51 MB | 330 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [StudySwitch, Inc.](https://appshunter.io/developer/1368900403) | [SpeakBUDDY Ltd.](https://appshunter.io/developer/633270154) |

## What reviewers say

### 数学クイズ なん度？

[App page](https://appshunter.io/ios/app/id541532555)

Challenge yourself with a variety of math quizzes, from basic to difficult. This popular brain training app, featured on TV, helps you calculate angles, areas, and sequences. Perfect for mental exercise and educational fun.

**Highlights:** Calculate angles of plane figures, Calculate areas of plane figures, Solve number sequence puzzles, Stage-based difficulty progression, In-app calculation memo feature, Hint system for problem-solving, Share problems with friends

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $2.99 | one-time |
| 解答集 | $2.99 | one-time |


### AI英会話スピークバディ

[App page](https://appshunter.io/ios/app/ai/id1129621266)

Practice English conversation with an AI that offers realistic dialogue and personalized feedback. Improve speaking, listening, vocabulary, and pronunciation for daily, business, or travel scenarios. Learn at your own pace, anytime, anywhere, with over 1,000 practice situations.

**Highlights:** AI-powered realistic English conversation, Speech recognition for pronunciation and grammar feedback, Extensive library of over 1,000 real-life scenarios, Personalized learning paths based on CEFR-J levels, Flexible learning schedule, 5-15 minutes daily, Story-based learning with AI buddies, Practice listening to various English accents

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeakBuddyプレミアムサービス | $24.99 | per month |
| 英会話・英語学習アプリスピークバディプレミアムサービス | $24.99 | per month |
| 1ヶ月プラン | $24.99 | per month |
| 3ヶ月プラン | $59.99 | per 3 months |
| SpeakBuddyプレミアムサービス - 6ヶ月プラン | $129.99 | per 6 months |
| 6ヶ月プラン | $129.99 | per 6 months |
| SpeakBuddyプレミアムサービス - 1年プラン | $179.99 | per year |
| 1年プラン | $179.99 | per year |


## Frequently asked questions

### Is 数学クイズ なん度？ free?

数学クイズ なん度？ is free to download, with in-app purchases available.

### Is AI英会話スピークバディ free?

AI英会話スピークバディ is free to download, with in-app purchases available.

### Which has better reviews, 数学クイズ なん度？ or AI英会話スピークバディ?

AI英会話スピークバディ is rated higher. 数学クイズ なん度？ averages 4.6 out of 5 from 195 ratings, while AI英会話スピークバディ averages 4.8 from 186 ratings.

### Do 数学クイズ なん度？ or AI英会話スピークバディ have ads?

数学クイズ なん度？ shows ads; AI英会話スピークバディ does not.

### Which is updated more often, 数学クイズ なん度？ or AI英会話スピークバディ?

数学クイズ なん度？ ships an update every 5 months, and AI英会話スピークバディ weekly. Most recently, 数学クイズ なん度？ was updated on November 1, 2026 and AI英会話スピークバディ on November 2, 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.*