# Marble Math vs STEMWerkz

The clearest difference is price: STEMWerkz at Free against Marble Math's $3.99. STEMWerkz also leads on update cadence (fortnightly vs every 4 months) and rating (5.0 vs 4.7). Marble Math's advantage is in-app purchases (none vs 2) and ratings volume (1.3K vs 4). On ads and device support there is nothing between them.

STEMWerkz is free to download; Marble Math costs $3.99 up front. STEMWerkz sells 2 in-app purchases, starting at $11.99 per month. Marble Math asks for nothing beyond the download.

STEMWerkz holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Marble Math has 1.3K ratings behind it against 4, so its average is the more settled of the two. Written reviews complicate that: 86% of Marble Math's written reviews are positive against 77% of STEMWerkz's, so the app with the better star average is not the one people write more warmly about.

Marble Math ships an update every 4 months, STEMWerkz fortnightly. The most recent releases landed on September 29, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Marble Math | STEMWerkz |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.7 (1.3K ratings)](https://appshunter.io/ios/app/marble-math/id528616029/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/stemwerkz-learn-through-play/id1545876287/reviews)** |
| Number of ratings | **1.3K** | 4 |
| Positive reviews | **85.9% of reviews** | 76.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 77 MB | 40 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Artgig Studio](https://appshunter.io/developer/436414537) | [Amdon Consulting Pte Ltd](https://appshunter.io/developer/1148893837) |

## What reviewers say

### Marble Math

[App page](https://appshunter.io/ios/app/marble-math/id528616029)

Practice mental math skills by guiding a marble through mazes, collecting numbers to solve problems. Offers customizable difficulty and concepts for targeted learning, with options to replay questions or see correct answers.

**Highlights:** Maze-based math problem solving, Customizable math concepts and difficulty, Unlimited user profiles, Option to replay or view correct answers, Reinforces mental math skills, Collect new marbles and bonuses

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging
- 🚀 Helps improve math skills
- 💡 Customizable levels and settings
- 🤗 Great for kids and parents

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 🤔 Some levels too difficult for younger users
- 💰 Lack of customization options for paid version

**Reported bugs**

- Double-digit numbers displayed incorrectly
- Roman numerals confusing for some users

**Requested features**

- More customization options for math problems
- Addition of new marble designs and unlockables
- Support for more currencies and locales


### STEMWerkz

[App page](https://appshunter.io/ios/app/stemwerkz-learn-through-play/id1545876287)

This app offers interactive STEM learning experiences for children aged 5-12. It features game-based learning, guided lessons, and live sessions with certified educators to develop problem-solving and critical-thinking skills.

**Highlights:** Multimodal learning activities, Game-based learning zone, Guided learning journey, Library of interactive lessons, Live interactive lessons with certified educators, Progress tracking and quizzes

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| STEMWerkz Monthly | $11.99 | per month |
| Stemwerkz Yearly Sub | $119.99 | per year |


## Frequently asked questions

### Is Marble Math free?

Marble Math costs $3.99, with no in-app purchases.

### Is STEMWerkz free?

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

### Which has better reviews, Marble Math or STEMWerkz?

STEMWerkz is rated higher. Marble Math averages 4.7 out of 5 from 1.3K ratings, while STEMWerkz averages 5.0 from 4 ratings.

### Do Marble Math or STEMWerkz have ads?

Neither Marble Math nor STEMWerkz shows ads.

### Which is updated more often, Marble Math or STEMWerkz?

Marble Math ships an update every 4 months, and STEMWerkz fortnightly. Most recently, Marble Math was updated on September 29, 2026 and STEMWerkz on September 18, 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.*