# Bubble Maths vs Stellar States

The clearest difference is price: Stellar States at Free against Bubble Maths's $0.99. Stellar States also leads on ratings volume (1.7K vs 67) and update cadence (every 5 months vs every 16 months). Bubble Maths's advantage is in-app purchases (none vs 8) and review sentiment (60% vs 34%). On rating, ads and device support there is nothing between them.

Stellar States is free to download; Bubble Maths costs $0.99 up front. Stellar States sells 8 in-app purchases, starting at $5.99 per year. Bubble Maths asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for Bubble Maths against 4.4 for Stellar States. That said, the two scores are not equally well evidenced: Stellar States has 1.7K ratings behind it against 67, so its average is the more settled of the two. Written reviews are what separate them: 60% of Bubble Maths's written reviews are positive against 34% of Stellar States's.

Bubble Maths ships an update every 16 months, Stellar States every 5 months. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Bubble Maths | Stellar States |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.4 (67 ratings)](https://appshunter.io/ios/app/bubble-maths/id588198567/reviews)** | [4.4 (1.7K ratings)](https://appshunter.io/ios/app/stellar-states-capitals-quiz/id642236145/reviews) |
| Number of ratings | 67 | **1.7K** |
| Positive reviews | **60.0% of reviews** | 33.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 5 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 7 MB | 60 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dizzy Squirrel Limited](https://appshunter.io/developer/587374273) | [Matthew Leonard](https://appshunter.io/developer/522479113) |

## What reviewers say

### Bubble Maths

[App page](https://appshunter.io/ios/app/bubble-maths/id588198567)

Practice essential math skills with this engaging app. It offers progressively challenging levels, from basic arithmetic to multiplication and division, with a star-based reward system for correct answers. Unlock new stages by mastering previous ones, making it suitable for both children and adults.

**Highlights:** Arithmetic practice, Multiplication and division, Progressive levels, Star-based rewards, Timed challenges, Suitable for children 5+

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Stellar States

[App page](https://appshunter.io/ios/app/stellar-states-capitals-quiz/id642236145)

Test your knowledge of U.S. states and capitals through various engaging game modes. Track your progress and unlock new quiz packs to enhance your geography learning experience. Designed for students and trivia enthusiasts, it offers a fun and addictive way to master U.S. geography.

**Highlights:** Multiple choice quizzes, True or false challenges, Word scramble games, Challenge mode against friends, Progress tracking, Unlockable quiz packs

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| School Year — Classroom Pro | $5.99 | per year |
| Yearly | $9.99 | per year |
| 100 coins | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 550 Coins | $4.99 | one-time |
| 1200 Coins | $9.99 | one-time |
| Lifetime | $14.99 | one-time |
| 2500 Coins | $19.99 | one-time |

**What reviewers like**

- 🚀 Really good!
- 👍 Pretty great app!
- 👍 Awesome!
- 👍 Great app
- 👍 Fun capitals app

**What reviewers complain about**

- 🐛 Ads cover answers!
- 🐛 Lame ad placement
- 🐛 Ad Obstructs View!
- 🐛 Terrible
- 🐛 Wrong state listed

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is Bubble Maths free?

Bubble Maths costs $0.99, with no in-app purchases.

### Is Stellar States free?

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

### Which has better reviews, Bubble Maths or Stellar States?

Bubble Maths is rated higher. Bubble Maths averages 4.4 out of 5 from 67 ratings, while Stellar States averages 4.4 from 1.7K ratings.

### Do Bubble Maths or Stellar States have ads?

Neither Bubble Maths nor Stellar States shows ads.

### Which is updated more often, Bubble Maths or Stellar States?

Bubble Maths ships an update every 16 months, and Stellar States every 5 months. Most recently, Bubble Maths was updated on October 23, 2026 and Stellar States on October 22, 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.*