# SymphonyMath vs Co

The clearest difference is rating: SymphonyMath at 4.3 against Co's 2.6. SymphonyMath also leads on review sentiment (48% vs 8%) and update cadence (monthly vs every 4 months). On price, ads, in-app purchases and monetization model there is nothing between them.

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

SymphonyMath holds the better App Store score, 4.3 against 2.6. That said, the two scores are not equally well evidenced: SymphonyMath has 505 ratings behind it against 17, so its average is the more settled of the two. Written reviews point the same way: 48% of SymphonyMath's written reviews are positive against 8% of Co's.

SymphonyMath ships an update monthly, Co every 4 months. Both last shipped on October 29, 2026.

## The numbers

| Metric | SymphonyMath | Co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (505 ratings)](https://appshunter.io/ios/app/symphonymath/id655764599/reviews)** | [2.6 (17 ratings)](https://appshunter.io/ios/app/cowriter-universal/id915105799/reviews) |
| Number of ratings | **505** | 17 |
| Positive reviews | **48.0% of reviews** | 8.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | Free |
| Size | 16 MB | 45 MB |
| Requires iOS | 11.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Symphony Learning](https://appshunter.io/developer/655764602) | [Don Johnston Incorporated](https://appshunter.io/developer/674099735) |

## What reviewers say

### SymphonyMath

[App page](https://appshunter.io/ios/app/symphonymath/id655764599)

This app provides a conceptual approach to learning mathematics, helping students understand fundamentals rather than relying on memorization. It supports students at their own pace, building a strong foundation for advanced subjects and fostering confidence.

**Highlights:** Conceptual understanding of math, Self-paced learning, Built-in student assessments, Identifies at-risk students, Tracks student growth, Supports diverse learning styles

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Helps with math skills
- 👍 Enjoyable for schoolwork
- 👍 Good for foundational math
- 👍 Syncs with schools
- 👍 Provides teacher data

**What reviewers complain about**

- 👎 Confusing 'state' concept
- 👎 Appears to be grade 1 work
- 👎 Not fun for some users
- 👎 Bugs and errors
- 👎 Difficult to understand

**Reported bugs**

- App says correct answer is wrong
- No sound
- Crashes when palm touches screen
- Loses progress for session
- Launches with sound muted

**Requested features**

- Make it funnier
- Incorporate Subway Surfers with math facts
- Add timed math challenges (1 min or 30 sec)
- Remember students for home use
- Allow users to work whenever they want


### 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 SymphonyMath free?

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

### Is Co free?

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

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

SymphonyMath is rated higher. SymphonyMath averages 4.3 out of 5 from 505 ratings, while Co averages 2.6 from 17 ratings.

### Do SymphonyMath or Co have ads?

Neither SymphonyMath nor Co shows ads.

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

SymphonyMath ships an update monthly, and Co every 4 months. Most recently, SymphonyMath was updated on October 29, 2026 and Co on October 29, 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.*