# Memory Helper vs PDF, OCR & ID Document Scanner

The clearest difference is ads: PDF, OCR & ID Document Scanner at none against Memory Helper's shown. Memory Helper's advantage is iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Memory Helper sells 2 in-app purchases, starting at $0.99 per month and PDF, OCR & ID Document Scanner sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Memory Helper | PDF, OCR & ID Document Scanner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/memory-helper-review-planner/id1622649802/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | — |
| Monetization | Subscription | — |
| Size | 20 MB | 15 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [彬彬 王](https://appshunter.io/developer/1456727551) | [Fenuku Kekeli](https://appshunter.io/developer/1822419894) |

## What reviewers say

### Memory Helper

[App page](https://appshunter.io/ios/app/memory-helper-review-planner/id1622649802)

This app helps you remember what you learn by using scientific memory management techniques based on the forgetting curve. It offers multi-platform synchronization, reminders, and puts you in control of your data. It aims to significantly improve your learning efficiency.

**Highlights:** Scientific memory management, Forgetting curve optimization, Multi-platform synchronization (iOS, Mac), Review reminders, Data control, Free to use

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Member Pro (Annual) | $0.99 | per month |
| Premium Member Pro (Annual) | $6.99 | per year |


### PDF, OCR & ID Document Scanner

[App page](https://appshunter.io/ios/app/pdf-ocr-and-id-document-scanner/id6758744528)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access – Monthly | $7.99 | per month |
| All Access per year | $39.99 | per year |
| All Access for Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Memory Helper free?

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

### Is PDF, OCR & ID Document Scanner free?

PDF, OCR & ID Document Scanner is free to download, with in-app purchases available.

### Do Memory Helper or PDF, OCR & ID Document Scanner have ads?

Memory Helper shows ads; PDF, OCR & ID Document Scanner does not.

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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.*