# Memo Search vs ScanPDF

The clearest difference is price: ScanPDF at Free against Memo Search's $1.99. ScanPDF also leads on update cadence (every 6 weeks vs every 23 months). Memo Search's advantage is ads (none vs shown) and iOS requirement (15.6 vs 26.0). On in-app purchases and device support there is nothing between them.

ScanPDF is free to download; Memo Search costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Memo Search ships an update every 23 months, ScanPDF every 6 weeks. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Memo Search | ScanPDF |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/memo-search/id1191494887/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Every 6 weeks** |
| Monetization | Paid | — |
| Size | 3 MB | 6 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [俊 姜](https://appshunter.io/developer/974809005) | [Shuto Nishiyama](https://appshunter.io/developer/1879174354) |

## What reviewers say

### Memo Search

[App page](https://appshunter.io/ios/app/memo-search/id1191494887)

Quickly locate any word within large files using a powerful search function. Customize your typing experience with dual keyboards, multiple fonts, and adjustable font sizes. Manage your files with comprehensive tools like saving, opening, and deleting.

**Highlights:** Instant text search in files, Dual keyboards for local languages, 9 font options with unlimited size, Full file management (new, save, open, delete), Word count functionality, Support for 50,000+ Unicode symbols

**Features:** macOS Compatibility

**In-app purchases:** none


### ScanPDF

[App page](https://appshunter.io/ios/app/scanpdf-document-scanner/id6759512455)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memo Search free?

Memo Search costs $1.99, with no in-app purchases.

### Is ScanPDF free?

ScanPDF is free to download, with no in-app purchases.

### Do Memo Search or ScanPDF have ads?

ScanPDF shows ads; Memo Search does not.

### Which is updated more often, Memo Search or ScanPDF?

Memo Search ships an update every 23 months, and ScanPDF every 6 weeks. Most recently, Memo Search was updated on September 17, 2026 and ScanPDF on September 22, 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.*