# Notator | Annotate Documents vs ScreenMemo

The clearest difference is in-app purchases: ScreenMemo at none against Notator | Annotate Documents's 2. ScreenMemo also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (17.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Notator | Annotate Documents sells 2 in-app purchases, starting at $1.99 per month. ScreenMemo asks for nothing beyond the download.

Notator | Annotate Documents ships an update every 2 months, ScreenMemo every 4 days. Both last shipped on October 6, 2026.

## The numbers

| Metric | Notator | Annotate Documents | ScreenMemo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (1 ratings)](https://appshunter.io/ios/app/notator-annotate-documents/id6447326736/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 30 MB | 4 MB |
| Requires iOS | 26.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [CIMTOPS SG LAB Pte. Ltd.](https://appshunter.io/developer/1657070999) | [5mm](https://appshunter.io/developer/1832720335) |

## What reviewers say

### Notator | Annotate Documents

[App page](https://appshunter.io/ios/app/notator-annotate-documents/id6447326736)

This app allows for detailed annotation of PDFs and images with various tools, including support for Apple Pencil. It offers flexible import options, high-quality rendering for large files, and intuitive page management. Upgrade to Pro for advanced export and editing capabilities.

**Highlights:** PDF and image annotation, Apple Pencil support, Flexible PDF import, High-quality PDF support, Zoom up to 1000%, Intuitive page management, Cloud storage integration

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notator Pro Monthly | $1.99 | per month |
| Notator Pro Yearly | $8.99 | per year |


### ScreenMemo

[App page](https://appshunter.io/ios/app/screenmemo-ocr-memo/id6756981672)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Notator | Annotate Documents free?

Notator | Annotate Documents is free to download, with in-app purchases available.

### Is ScreenMemo free?

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

### Do Notator | Annotate Documents or ScreenMemo have ads?

Neither Notator | Annotate Documents nor ScreenMemo shows ads.

### Which is updated more often, Notator | Annotate Documents or ScreenMemo?

Notator | Annotate Documents ships an update every 2 months, and ScreenMemo every 4 days. Most recently, Notator | Annotate Documents was updated on October 6, 2026 and ScreenMemo on October 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.*