# MathTappers vs Inference Ace

The clearest difference is rating: Inference Ace at 3.6 against MathTappers's 3.1. Inference Ace also leads on update cadence (every 7 months vs every 33 months) and review sentiment (89% vs 67%). MathTappers's advantage is monetization model (free vs free with in-app purchases) and ratings volume (80 vs 21). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. MathTappers sells 1 one-off in-app purchase and Inference Ace sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Inference Ace holds the better App Store score, 3.6 against 3.1. Both are backed by a comparable volume of ratings — 80 and 21 respectively. Written reviews point the same way: 67% of MathTappers's written reviews are positive against 89% of Inference Ace's.

MathTappers ships an update every 33 months, Inference Ace every 7 months. The most recent releases landed on September 29, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | MathTappers | Inference Ace |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.1 (80 ratings)](https://appshunter.io/ios/app/mathtappers-estimatefractions/id353282053/reviews) | **[3.6 (21 ratings)](https://appshunter.io/ios/app/inference-ace/id866920724/reviews)** |
| Number of ratings | **80** | 21 |
| Positive reviews | 66.7% of reviews | **88.6% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 7 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 10 MB | 22 MB |
| Requires iOS | 13.0 | **12.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Joshua Smith](https://appshunter.io/developer/292463291) | [Janine Toole](https://appshunter.io/developer/839832427) |

## What reviewers say

### MathTappers

[App page](https://appshunter.io/ios/app/mathtappers-estimatefractions/id353282053)

This app helps learners develop an intuitive understanding of fractions by relating them to halves and using estimation in addition and subtraction problems. It emphasizes sense-making through visual models before procedural mastery, and is best used alongside classroom activities.

**Highlights:** Intuitive fraction understanding, Estimation for addition/subtraction, Visual models for fractions, Sense-making before procedures, Supports classroom learning

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Expanded Version | $0.99 | one-time |


### Inference Ace

[App page](https://appshunter.io/ios/app/inference-ace/id866920724)

This app helps children in grades 2-5 improve their reading comprehension by teaching inference skills step-by-step. It uses a game-like environment with over 450 examples and a reward center to keep kids engaged. Detailed reporting is available for up to 10 students.

**Highlights:** Step-by-step inference skill building, Game-like environment with reward center, Over 450 examples designed by teachers, Detailed reporting for multiple students, Incremental learning with unlocked levels, Guided learning for reduced frustration

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to 2 Players | $1.99 | one-time |
| Inference Ace: Buy All Levels | $2.99 | one-time |
| Upgrade to 10 Players | $2.99 | one-time |


## Frequently asked questions

### Is MathTappers free?

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

### Is Inference Ace free?

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

### Which has better reviews, MathTappers or Inference Ace?

Inference Ace is rated higher. MathTappers averages 3.1 out of 5 from 80 ratings, while Inference Ace averages 3.6 from 21 ratings.

### Do MathTappers or Inference Ace have ads?

Neither MathTappers nor Inference Ace shows ads.

### Which is updated more often, MathTappers or Inference Ace?

MathTappers ships an update every 33 months, and Inference Ace every 7 months. Most recently, MathTappers was updated on September 29, 2026 and Inference Ace 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.*