# 先生の道具箱 vs Lectio

The clearest difference is in-app purchases: 先生の道具箱 at none against Lectio's 1. 先生の道具箱 also leads on iOS requirement (15.0 vs 17.0). Lectio's advantage is ads (none vs shown) and update cadence (every 2 weeks vs every 9 months). On price and device support there is nothing between them.

Both are free to download. Lectio sells 1 one-off in-app purchase. 先生の道具箱 asks for nothing beyond the download.

先生の道具箱 ships an update every 9 months, Lectio every 2 weeks. The most recent releases landed on September 13, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 先生の道具箱 | Lectio |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 2 weeks** |
| Size | 34 MB | 60 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Rin Takemura](https://appshunter.io/developer/1526931035) | [Shanghai Kaichen Jiyuan Technology Co., Ltd.](https://appshunter.io/developer/1720310906) |

## What reviewers say

### 先生の道具箱

[App page](https://appshunter.io/ios/app/id1638571806)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lectio

[App page](https://appshunter.io/ios/app/lectio-ocr-math-and-layout/id6764667342)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Membership | $6.99 | one-time |


## Frequently asked questions

### Is 先生の道具箱 free?

先生の道具箱 is free to download, with no in-app purchases.

### Is Lectio free?

Lectio is free to download, with in-app purchases available.

### Do 先生の道具箱 or Lectio have ads?

先生の道具箱 shows ads; Lectio does not.

### Which is updated more often, 先生の道具箱 or Lectio?

先生の道具箱 ships an update every 9 months, and Lectio every 2 weeks. Most recently, 先生の道具箱 was updated on September 13, 2026 and Lectio on September 23, 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.*