# Co vs EduCalc

The clearest difference is review sentiment: EduCalc at 92% against Co's 8%. EduCalc also leads on rating (4.7 vs 2.6) and update cadence (every 2 weeks vs every 4 months). 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.

EduCalc holds the better App Store score, 4.7 against 2.6. Both are backed by a comparable volume of ratings — 17 and 34 respectively. Written reviews point the same way: 8% of Co's written reviews are positive against 92% of EduCalc's.

Co ships an update every 4 months, EduCalc every 2 weeks. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Co | EduCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) | **[4.7 (34 ratings)](https://appshunter.io/ios/app/educalc/id1058913621/reviews)** |
| Number of ratings | 17 | **34** |
| Positive reviews | 8.3% of reviews | **91.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 45 MB | 111 MB |
| Requires iOS | 10.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) | [William Jockusch](https://appshunter.io/developer/342126227) |

## 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


### EduCalc

[App page](https://appshunter.io/ios/app/educalc/id1058913621)

This app provides a powerful scientific and graphing calculator designed for students and learners. It offers advanced functions, equation solving, unit conversion, and a comprehensive math and science reference.

**Highlights:** Scientific calculator with advanced functions, Graphing of up to four equations, Unit converter for various physical quantities, Math and science reference library, System of equations solver, Table of function values

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

**In-app purchases:** none


## Frequently asked questions

### Is Co free?

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

### Is EduCalc free?

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

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

EduCalc is rated higher. Co averages 2.6 out of 5 from 17 ratings, while EduCalc averages 4.7 from 34 ratings.

### Do Co or EduCalc have ads?

Neither Co nor EduCalc shows ads.

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

Co ships an update every 4 months, and EduCalc every 2 weeks. Most recently, Co was updated on November 1, 2026 and EduCalc on November 2, 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.*