# Co vs Riverside DataManager

The clearest difference is rating: Riverside DataManager at 3.5 against Co's 2.6. Riverside DataManager also leads on review sentiment (50% vs 8%). Co's advantage is update cadence (every 4 months vs every 11 months) and device support (3 vs 1). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Riverside DataManager holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 17 and 17 respectively. Written reviews point the same way: 8% of Co's written reviews are positive against 50% of Riverside DataManager's.

Co ships an update every 4 months, Riverside DataManager every 11 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Co | Riverside DataManager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[3.5 (17 ratings)](https://appshunter.io/ios/app/riverside-datamanager/id955001987/reviews)** |
| Number of ratings | 17 | 17 |
| Positive reviews | 8.3% of reviews | **50.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Monetization | Free | Free |
| Size | 45 MB | 35 MB |
| Requires iOS | **10.0** | 10.2 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [Internet Testing Systems (ITS)](https://appshunter.io/developer/546817214) |

## What reviewers say

### 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


### Riverside DataManager

[App page](https://appshunter.io/ios/app/riverside-datamanager/id955001987)

This app helps manage and report on standardized educational assessments. It supports various forms of Iowa Assessments, CogAT, and Gates-MacGinitie Reading Tests. Streamline your data collection and analysis for these key educational evaluations.

**Highlights:** Manage Iowa Assessments Forms E, F, G, Report on Logramos TERCERA EDICIÓN, Process Cognitive Abilities Test (CogAT), Analyze CogAT Screening Forms, Handle Gates-MacGinitie Reading Tests (GMRT)

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is Riverside DataManager free?

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

### Which has better reviews, Co or Riverside DataManager?

Riverside DataManager is rated higher. Co averages 2.6 out of 5 from 17 ratings, while Riverside DataManager averages 3.5 from 17 ratings.

### Do Co or Riverside DataManager have ads?

Neither Co nor Riverside DataManager shows ads.

### Which is updated more often, Co or Riverside DataManager?

Co ships an update every 4 months, and Riverside DataManager every 11 months. Most recently, Co was updated on November 1, 2026 and Riverside DataManager 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.*