# PiCRO Manager［ピクロ］指導員・先生向けアプリ vs そろばん学習ドリル Ext

PiCRO Manager［ピクロ］指導員・先生向けアプリ and そろばん学習ドリル Ext are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PiCRO Manager［ピクロ］指導員・先生向けアプリ ships an update every 3 months, そろばん学習ドリル Ext every 5 months. The most recent releases landed on December 17, 2025 and September 6, 2026 respectively.

## The numbers

| Metric | PiCRO Manager［ピクロ］指導員・先生向けアプリ | そろばん学習ドリル Ext |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | — | Free |
| Size | 3 MB | 24 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [株式会社EDIONクロスベンチャーズ](https://appshunter.io/developer/1667758643) | [ryo itou](https://appshunter.io/developer/1435019729) |

## What reviewers say

### PiCRO Manager［ピクロ］指導員・先生向けアプリ

[App page](https://appshunter.io/ios/app/picro-manager/id904862451)

**In-app purchases:** none


### そろばん学習ドリル Ext

[App page](https://appshunter.io/ios/app/ext/id1449114393)

This app offers four courses to help beginners learn abacus calculation. It includes exercises for placing numbers, simple addition, addition of ten numbers, and auditory addition. Progress is tracked, and difficulty increases with proficiency.

**Highlights:** Placing numbers on the abacus, Two-digit addition practice, Addition of ten numbers, Auditory addition exercises, Progress tracking, Adaptive difficulty levels

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

**In-app purchases:** none


## Frequently asked questions

### Is PiCRO Manager［ピクロ］指導員・先生向けアプリ free?

PiCRO Manager［ピクロ］指導員・先生向けアプリ is free to download, with no in-app purchases.

### Is そろばん学習ドリル Ext free?

そろばん学習ドリル Ext is free to download, with no in-app purchases.

### Do PiCRO Manager［ピクロ］指導員・先生向けアプリ or そろばん学習ドリル Ext have ads?

Neither PiCRO Manager［ピクロ］指導員・先生向けアプリ nor そろばん学習ドリル Ext shows ads.

### Which is updated more often, PiCRO Manager［ピクロ］指導員・先生向けアプリ or そろばん学習ドリル Ext?

PiCRO Manager［ピクロ］指導員・先生向けアプリ ships an update every 3 months, and そろばん学習ドリル Ext every 5 months. Most recently, PiCRO Manager［ピクロ］指導員・先生向けアプリ was updated on December 17, 2025 and そろばん学習ドリル Ext on September 6, 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.*