# 流し vs プロンテストシリーズ

The clearest difference is price: プロンテストシリーズ at Free against 流し's $1.99. プロンテストシリーズ also leads on update cadence (monthly vs every 25 months). 流し's advantage is in-app purchases (none vs 10). On ads, device support and iOS requirement there is nothing between them.

プロンテストシリーズ is free to download; 流し costs $1.99 up front. プロンテストシリーズ sells 10 in-app purchases, starting at $19.49 per month. 流し asks for nothing beyond the download.

流し ships an update every 25 months, プロンテストシリーズ monthly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 流し | プロンテストシリーズ |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 25 months | **Monthly** |
| Size | 23 MB | 29 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [CoLab](https://appshunter.io/developer/509496990) | [PRONTEST Inc.](https://appshunter.io/developer/478269295) |

## What reviewers say

### 流し

[App page](https://appshunter.io/ios/app/id539330733)

**Features:** macOS Compatibility

**In-app purchases:** none


### プロンテストシリーズ

[App page](https://appshunter.io/ios/app/id1511083721)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SanseidoES_6th_licenseG | $19.49 | per month |
| SanseidoJHS_1st_licenseG | $19.49 | per month |
| SanseidoJHS_2nd_licenseG | $19.49 | per month |
| SanseidoJHS_1st_licenseG | $68.99 | per 6 months |
| SanseidoJHS_2nd_licenseG | $68.99 | per 6 months |
| SanseidoES_5th_licenseG | $91.99 | per year |
| SanseidoES_6th_licenseG | $91.99 | per year |
| SanseidoJHS_3rd_licenseG | $91.99 | per year |
| SanseidoJHS_1st_licenseG | $91.99 | per year |
| SanseidoJHS_2nd_licenseG | $91.99 | per year |


## Frequently asked questions

### Is 流し free?

流し costs $1.99, with no in-app purchases.

### Is プロンテストシリーズ free?

プロンテストシリーズ is free to download, with in-app purchases available.

### Do 流し or プロンテストシリーズ have ads?

Neither 流し nor プロンテストシリーズ shows ads.

### Which is updated more often, 流し or プロンテストシリーズ?

流し ships an update every 25 months, and プロンテストシリーズ monthly. Most recently, 流し was updated on November 1, 2026 and プロンテストシリーズ on November 3, 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.*