# Addition Practice vs Science

The clearest difference is review sentiment: Addition Practice at 73% against Science's 0%. Addition Practice also leads on rating (4.5 vs 1.0) and update cadence (every 4 months vs every 44 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Addition Practice costs $1.99 and Science $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Addition Practice holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Addition Practice has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 73% of Addition Practice's written reviews are positive against 0% of Science's.

Addition Practice ships an update every 4 months, Science every 44 months. The most recent releases landed on September 22, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Addition Practice | Science |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | **[4.5 (10 ratings)](https://appshunter.io/ios/app/addition-practice-ibbleobble/id978840798/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/science-learn-astronomy/id1386724191/reviews) |
| Number of ratings | **10** | 1 |
| Positive reviews | **72.7% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 44 months |
| Monetization | Paid | Paid |
| Size | 28 MB | 20 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KidDotCo](https://appshunter.io/developer/819246599) | [Coskun CAKIR](https://appshunter.io/developer/482066275) |

## What reviewers say

### Addition Practice

[App page](https://appshunter.io/ios/app/addition-practice-ibbleobble/id978840798)

This app offers a fun and engaging way for children aged 4 and up to practice addition skills. It features simple gameplay, multiple-choice questions, and optional timers, allowing kids to learn at their own pace. The app is available across multiple Apple devices with a single purchase.

**Highlights:** Addition worksheets, Multiple choice questions, 7 learning levels, Optional timer, Vibrant graphics and sounds, Universal purchase

**Features:** iMessage stickers

**In-app purchases:** none


### Science

[App page](https://appshunter.io/ios/app/science-learn-astronomy/id1386724191)

Practice and test your knowledge of astronomy with quizzes and flashcards covering 12 major high school curriculum subjects. Learn about space science, the solar system, and galaxies with detailed explanations and offline access.

**Highlights:** Diagnostic and practice quizzes, Answer explanations, Flashcard study mode, Offline access, Detailed performance tracking, Covers 12 astronomy subjects

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

**In-app purchases:** none


## Frequently asked questions

### Is Addition Practice free?

Addition Practice costs $1.99, with no in-app purchases.

### Is Science free?

Science costs $1.99, with no in-app purchases.

### Which has better reviews, Addition Practice or Science?

Addition Practice is rated higher. Addition Practice averages 4.5 out of 5 from 10 ratings, while Science averages 1.0 from 1 ratings.

### Do Addition Practice or Science have ads?

Neither Addition Practice nor Science shows ads.

### Which is updated more often, Addition Practice or Science?

Addition Practice ships an update every 4 months, and Science every 44 months. Most recently, Addition Practice was updated on September 22, 2026 and Science 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.*