# PROSTA vs 統計検定アプリ 3級

The clearest difference is price: PROSTA at Free against 統計検定アプリ 3級's $6.99. PROSTA also leads on update cadence (every 6 weeks vs every 8 months) and review sentiment (43% vs 33%). 統計検定アプリ 3級's advantage is ads (none vs shown) and iOS requirement (11.0 vs 13.0). On in-app purchases and device support there is nothing between them.

PROSTA is free to download; 統計検定アプリ 3級 costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PROSTA ships an update every 6 weeks, 統計検定アプリ 3級 every 8 months. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | PROSTA | 統計検定アプリ 3級 |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Positive reviews | **42.9% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 8 months |
| Monetization | **Ad-supported** | Paid |
| Size | 23 MB | 78 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [masanori takata](https://appshunter.io/developer/1253822521) | [SKILLUP NeXt, Ltd.](https://appshunter.io/developer/1569771970) |

## What reviewers say

### PROSTA

[App page](https://appshunter.io/ios/app/prosta/id1494633664)

Perform statistical calculations and create graphs easily on your mobile device. This app simplifies complex statistical analysis, offering features like data input, instant calculations, customizable graph generation, and a statistical term search function. It's designed for quick analysis without needing a computer.

**Highlights:** Easy statistical calculations, Instant data analysis, Customizable graph creation, Statistical term search, Random number generation for simulations, Distribution tables

**Features:** macOS Compatibility

**In-app purchases:** none


### 統計検定アプリ 3級

[App page](https://appshunter.io/ios/app/3/id6466960739)

This app supports learning for those planning to take the Statistical Literacy Exam (Grade 3) or wanting to study probability and statistics. It offers comprehensive exam preparation with instructor-supervised questions, progress tracking, and the ability to identify and review weak areas. Users can also stay updated on the latest AI news and technology.

**Highlights:** Comprehensive exam preparation for Grade 3, Identify and review weak areas, Visualize learning progress, Study anytime, anywhere, Catch up on AI news and technology

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

**In-app purchases:** none


## Frequently asked questions

### Is PROSTA free?

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

### Is 統計検定アプリ 3級 free?

統計検定アプリ 3級 costs $6.99, with no in-app purchases.

### Do PROSTA or 統計検定アプリ 3級 have ads?

PROSTA shows ads; 統計検定アプリ 3級 does not.

### Which is updated more often, PROSTA or 統計検定アプリ 3級?

PROSTA ships an update every 6 weeks, and 統計検定アプリ 3級 every 8 months. Most recently, PROSTA was updated on October 4, 2026 and 統計検定アプリ 3級 on October 8, 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.*