# Cotter AL Abacus vs TT Math 3

The clearest difference is price: TT Math 3 at Free against Cotter AL Abacus's $1.99. TT Math 3 also leads on update cadence (every 2 months vs every 9 months) and rating (3.7 vs 3.5). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

TT Math 3 is free to download; Cotter AL Abacus costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TT Math 3 holds the better App Store score, 3.7 against 3.5. That said, the two scores are not equally well evidenced: TT Math 3 has 64 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 47% of Cotter AL Abacus's written reviews are positive against 57% of TT Math 3's.

Cotter AL Abacus ships an update every 9 months, TT Math 3 every 2 months. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Cotter AL Abacus | TT Math 3 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/cotter-al-abacus/id406078581/reviews) | **[3.7 (64 ratings)](https://appshunter.io/ios/app/tt-math-3/id1516354632/reviews)** |
| Number of ratings | 6 | **64** |
| Positive reviews | 47.1% of reviews | **57.1% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 76 MB | 103 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Activities for Learning inc.](https://appshunter.io/developer/406078584) | [Teaching Textbooks, Inc.](https://appshunter.io/developer/1516345361) |

## What reviewers say

### Cotter AL Abacus

[App page](https://appshunter.io/ios/app/cotter-al-abacus/id406078581)

This educational tool uses a unique double-sided abacus to teach arithmetic concepts through visualization and quantity recognition. It helps learners develop mental strategies for faster mastery of basic math skills.

**Highlights:** Double-sided abacus design, Grouped in fives and tens, Focuses on quantity recognition, Develops mental math strategies, Supports visual learning, Includes sample lessons

**Features:** macOS Compatibility

**In-app purchases:** none


### TT Math 3

[App page](https://appshunter.io/ios/app/tt-math-3/id1516354632)

This educational app offers interactive math lessons and practice problems for third graders. It provides automated grading, instant feedback, and step-by-step explanations, allowing for independent learning. Parents can track progress, and the app supports offline use for up to six lessons.

**Highlights:** 118 audiovisual lectures, Thousands of practice problems, Automated grading and instant feedback, Step-by-step audiovisual explanations, Parental progress tracking, Offline access for up to 6 lessons, Digitized textbook with search

**In-app purchases:** none


## Frequently asked questions

### Is Cotter AL Abacus free?

Cotter AL Abacus costs $1.99, with no in-app purchases.

### Is TT Math 3 free?

TT Math 3 is free to download, with no in-app purchases.

### Which has better reviews, Cotter AL Abacus or TT Math 3?

TT Math 3 is rated higher. Cotter AL Abacus averages 3.5 out of 5 from 6 ratings, while TT Math 3 averages 3.7 from 64 ratings.

### Do Cotter AL Abacus or TT Math 3 have ads?

Neither Cotter AL Abacus nor TT Math 3 shows ads.

### Which is updated more often, Cotter AL Abacus or TT Math 3?

Cotter AL Abacus ships an update every 9 months, and TT Math 3 every 2 months. Most recently, Cotter AL Abacus was updated on October 12, 2026 and TT Math 3 on October 15, 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.*