# OrbitNote vs Co

The clearest difference is rating: OrbitNote at 4.7 against Co's 2.6. OrbitNote also leads on review sentiment (50% vs 8%) and update cadence (monthly vs every 4 months). Co's advantage is in-app purchases (none vs 10) and iOS requirement (10.0 vs 15.5). On price, ads and device support there is nothing between them.

Both are free to download. OrbitNote sells 10 one-off in-app purchases. Co asks for nothing beyond the download.

OrbitNote holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 60 and 17 respectively. Written reviews point the same way: 50% of OrbitNote's written reviews are positive against 8% of Co's.

OrbitNote ships an update monthly, Co every 4 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | OrbitNote | Co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (60 ratings)](https://appshunter.io/ios/app/orbitnote/id666770153/reviews)** | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) |
| Number of ratings | **60** | 17 |
| Positive reviews | **50.0% of reviews** | 8.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 252 MB | 45 MB |
| Requires iOS | 15.5 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Everway Opco Ltd.](https://appshunter.io/developer/600829241) | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) |

## What reviewers say

### OrbitNote

[App page](https://appshunter.io/ios/app/orbitnote/id666770153)

This tool allows users to read, annotate, and listen to PDF documents. It converts image-based PDFs to accessible text and offers features like speech playback, highlighting, and iCloud sync for seamless document management across devices.

**Highlights:** Annotate PDFs with highlights, underscores, and notes, Convert image PDFs to searchable text, Listen to PDFs with human-quality voice playback, Change background and text colors for readability, Sync documents and annotations with iCloud, Import/export PDFs from cloud storage and other apps

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Krzysztof | $1.99 | one-time |
| Joaquim | $1.99 | one-time |
| 5000 Credits | $3.99 | one-time |
| Elise | $3.99 | one-time |
| Valentin | $3.99 | one-time |
| Elias | $3.99 | one-time |
| Emilie | $3.99 | one-time |
| Filip | $3.99 | one-time |
| Freja | $3.99 | one-time |
| Unlock ClaroPDF Pro | $9.99 | one-time |


### Co

[App page](https://appshunter.io/ios/app/cowriter-universal/id915105799)

This app provides advanced word prediction and spelling support for students. It offers grammar-smart suggestions and access to millions of topic-specific dictionaries to aid in writing. Built-in text-to-speech functionality helps users review their work.

**Highlights:** Grammar-smart word prediction, Millions of topic-specific dictionaries, Flexspell™ technology for spelling errors, Built-in text-to-speech, Personalized vocabulary and settings

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OrbitNote free?

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

### Is Co free?

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

### Which has better reviews, OrbitNote or Co?

OrbitNote is rated higher. OrbitNote averages 4.7 out of 5 from 60 ratings, while Co averages 2.6 from 17 ratings.

### Do OrbitNote or Co have ads?

Neither OrbitNote nor Co shows ads.

### Which is updated more often, OrbitNote or Co?

OrbitNote ships an update monthly, and Co every 4 months. Most recently, OrbitNote was updated on November 1, 2026 and Co on November 1, 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.*