# Slice Fractions vs Simple Machines by Tinybop

The clearest difference is review sentiment: Slice Fractions at 92% against Simple Machines by Tinybop's 37%. Slice Fractions also leads on rating (4.7 vs 3.7) and ratings volume (473 vs 62). Simple Machines by Tinybop's advantage is chart position (#144 vs unranked) and price ($2.99 vs $3.99). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Slice Fractions costs $3.99 and Simple Machines by Tinybop $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Slice Fractions holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Slice Fractions has 473 ratings behind it against 62, so its average is the more settled of the two. Written reviews point the same way: 92% of Slice Fractions's written reviews are positive against 37% of Simple Machines by Tinybop's.

Both ship on a similar rhythm, roughly every 4 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Slice Fractions | Simple Machines by Tinybop |
| --- | --- | --- |
| Price | $3.99 | **$2.99** |
| Rating | **[4.7 (473 ratings)](https://appshunter.io/ios/app/slice-fractions/id794730213/reviews)** | [3.7 (62 ratings)](https://appshunter.io/ios/app/simple-machines-by-tinybop/id936966570/reviews) |
| Number of ratings | **473** | 62 |
| Positive reviews | **92.3% of reviews** | 37.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Paid | Paid |
| Best chart rank | — | **#144** |
| Size | 211 MB | 112 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ululab](https://appshunter.io/developer/794730216) | [Tinybop Inc.](https://appshunter.io/developer/682046582) |

## What reviewers say

### Slice Fractions

[App page](https://appshunter.io/ios/app/slice-fractions/id794730213)

This game makes learning fractions fun and engaging for children aged 5-12. Through interactive puzzles, kids explore core fraction concepts like partitioning and equivalence in a safe, ad-free environment. It's designed to build a strong mathematical foundation while playing.

**Highlights:** Learn fraction concepts without words, Over 140 physics puzzles, Part-whole partitioning, Numerator/Denominator notation, Equivalent fractions, Fraction ordering, Safe digital environment

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Fun and engaging learning experience
- 💡 Excellent way to teach fractions
- 🚀 Addictive and challenging gameplay
- 👍 Cute and appealing characters
- 👍 Helps kids understand fractions intuitively

**What reviewers complain about**

- 🐛 Some users reported issues with sound not working
- ⏱️ Relatively short in content, users want more levels

**Reported bugs**

- Sound not working for some users
- Level 19 on Addition mode reported as 'rigged' and not working

**Requested features**

- More levels and content to extend the learning experience
- Ability to track individual user progress
- Multiplayer or competitive mode


### Simple Machines by Tinybop

[App page](https://appshunter.io/ios/app/simple-machines-by-tinybop/id936966570)

**Currently charting:** #144 Top Paid · Education (US App Store)

Explore the playful side of physics and learn about simple machines through interactive experiments. Kids can discover how levers, pulleys, and other mechanisms work by building and testing them in a digital sandbox environment. This app is designed to spark curiosity and understanding of scientific principles.

**Highlights:** Explore 6 simple machines, Experiment with real-world physics, Investigate physics at work, Learn about force and motion, Kid-friendly design, Interactive labels in 40+ languages

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🎨 Beautiful graphics and design
- 🧠 Educational and informative
- 👨‍👩‍👧‍👦 Good for kids and learning
- 💡 Sparks curiosity and imagination
- 👍 Intuitive and easy to use

**What reviewers complain about**

- 😴 Boring and repetitive
- 💸 Expensive for limited content
- 🤷‍♂️ Lacks clear goals or objectives
- 🤏 Limited interaction and content
- 🚫 Not a game, more of a toy

**Reported bugs**

- Crashes immediately on launch
- Cannot install after purchase
- App crashes after loading screen
- No sound
- Does not work

**Requested features**

- Add a creative building mode
- More levels and modules
- Sandbox mode
- Ability to build own machines
- More interactive elements


## Frequently asked questions

### Is Slice Fractions free?

Slice Fractions costs $3.99, with no in-app purchases.

### Is Simple Machines by Tinybop free?

Simple Machines by Tinybop costs $2.99, with no in-app purchases.

### Which has better reviews, Slice Fractions or Simple Machines by Tinybop?

Slice Fractions is rated higher. Slice Fractions averages 4.7 out of 5 from 473 ratings, while Simple Machines by Tinybop averages 3.7 from 62 ratings.

### Do Slice Fractions or Simple Machines by Tinybop have ads?

Neither Slice Fractions nor Simple Machines by Tinybop shows ads.

### Which is updated more often, Slice Fractions or Simple Machines by Tinybop?

Slice Fractions ships an update every 4 months, and Simple Machines by Tinybop every 4 months. Most recently, Slice Fractions was updated on October 23, 2026 and Simple Machines by Tinybop on October 24, 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.*