# PROSTA vs DS検定対策アプリ

The clearest difference is price: PROSTA at Free against DS検定対策アプリ's $6.99. PROSTA also leads on review sentiment (43% vs 11%) and update cadence (every 6 weeks vs every 5 months). DS検定対策アプリ'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; DS検定対策アプリ 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, DS検定対策アプリ every 5 months. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | PROSTA | DS検定対策アプリ |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Positive reviews | **42.9% of reviews** | 11.1% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 5 months |
| Monetization | **Ad-supported** | Paid |
| Size | 23 MB | 76 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


### DS検定対策アプリ

[App page](https://appshunter.io/ios/app/ds/id1580662283)

This app provides comprehensive study materials and practice tests for the Data Scientist Certification (DS Exam) Literacy Level. It covers technical knowledge, business application, and societal context of data science, helping users identify strengths and weaknesses for effective preparation.

**Highlights:** DS検定対策, 理解度チェック, 学習データの可視化, スキマ時間学習, AI・データサイエンス情報

**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 DS検定対策アプリ free?

DS検定対策アプリ costs $6.99, with no in-app purchases.

### Do PROSTA or DS検定対策アプリ have ads?

PROSTA shows ads; DS検定対策アプリ does not.

### Which is updated more often, PROSTA or DS検定対策アプリ?

PROSTA ships an update every 6 weeks, and DS検定対策アプリ every 5 months. Most recently, PROSTA was updated on October 4, 2026 and DS検定対策アプリ on October 15, 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.*