# OCRスキャナー vs Precursor

The clearest difference is in-app purchases: OCRスキャナー at none against Precursor's 3. Precursor's advantage is update cadence (every 6 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Precursor sells 3 in-app purchases, starting at $4.99 per month. OCRスキャナー asks for nothing beyond the download.

OCRスキャナー ships an update every 2 months, Precursor every 6 days. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | OCRスキャナー | Precursor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/precursor-hourly-screen-time/id6791403654/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | — | Freemium |
| Size | 8 MB | 17 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kouki Yoshimoto](https://appshunter.io/developer/1884780659) | [Precursor Labs](https://appshunter.io/developer/6791403656) |

## What reviewers say

### OCRスキャナー

[App page](https://appshunter.io/ios/app/ocr/id6768648941)

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

**In-app purchases:** none


### Precursor

[App page](https://appshunter.io/ios/app/precursor-hourly-screen-time/id6791403654)

This app offers a unique approach to screen time management by setting hourly limits for app usage. It aims to break the cycle of daily limit exhaustion and impulsive overrides by providing a sustainable, guilt-free solution that resets limits every hour.

**Highlights:** Set hourly app limits, Automatic hourly limit resets, Customizable limits by day, Friction to prevent impulsive overrides, Private by design, on-device processing, Optional Precursor+ upgrade

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $49.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is OCRスキャナー free?

OCRスキャナー is free to download, with no in-app purchases.

### Is Precursor free?

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

### Do OCRスキャナー or Precursor have ads?

Neither OCRスキャナー nor Precursor shows ads.

### Which is updated more often, OCRスキャナー or Precursor?

OCRスキャナー ships an update every 2 months, and Precursor every 6 days. Most recently, OCRスキャナー was updated on September 21, 2026 and Precursor on September 10, 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.*