# OBD vs Notator | Annotate Documents

The clearest difference is price: Notator | Annotate Documents at Free against OBD's $4.99. OBD's advantage is rating (3.0 vs 2.0) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

Notator | Annotate Documents is free to download; OBD costs $4.99 up front. Notator | Annotate Documents sells 2 in-app purchases, starting at $1.99 per month. OBD asks for nothing beyond the download.

OBD holds the better App Store score, 3.0 against 2.0. That said, the two scores are not equally well evidenced: OBD has 8 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | OBD | Notator | Annotate Documents |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[3.0 (8 ratings)](https://appshunter.io/ios/app/obd-2-audi/id1233380035/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/notator-annotate-documents/id6447326736/reviews) |
| Number of ratings | **8** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | Paid | **Freemium** |
| Size | 92 MB | 30 MB |
| Requires iOS | **9.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rauza Tleuova](https://appshunter.io/developer/1233372736) | [CIMTOPS SG LAB Pte. Ltd.](https://appshunter.io/developer/1657070999) |

## What reviewers say

### OBD

[App page](https://appshunter.io/ios/app/obd-2-audi/id1233380035)

Access a comprehensive database of diagnostic trouble codes, dashboard warning lights, and car abbreviations specifically for Audi vehicles. Features include detailed code explanations, symbol searches, and a favorites list. Also offers dealer location services and customizable themes.

**Highlights:** 7600+ OBD-2 Diagnostic Trouble Codes, 300+ Dashboard Warning Lights, 1200+ Car Abbreviations, Detailed code explanations, Favorites list, Find Audi Dealer, 6 Colorful Themes

**Features:** iMessage stickers, Vision Pro support

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is OBD free?

OBD costs $4.99, with no in-app purchases.

### Is Notator | Annotate Documents free?

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

### Which has better reviews, OBD or Notator | Annotate Documents?

OBD is rated higher. OBD averages 3.0 out of 5 from 8 ratings, while Notator | Annotate Documents averages 2.0 from 1 ratings.

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

Neither OBD nor Notator | Annotate Documents shows ads.

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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.*