# Hi Score Science vs MindSpark.

The clearest difference is in-app purchases: Hi Score Science at none against MindSpark.'s 4. Hi Score Science also leads on ads (none vs shown). MindSpark.'s advantage is update cadence (every 2 months vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. MindSpark. sells 4 one-off in-app purchases. Hi Score Science asks for nothing beyond the download.

Hi Score Science ships an update every 4 months, MindSpark. every 2 months. The most recent releases landed on October 12, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Hi Score Science | MindSpark. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/hi-score-science/id1173819416/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 202 MB | 74 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Kraken Empire](https://appshunter.io/developer/1173819415) | [Osdom limited](https://appshunter.io/developer/1649169790) |

## What reviewers say

### Hi Score Science

[App page](https://appshunter.io/ios/app/hi-score-science/id1173819416)

Engage with science through a fun quiz game designed for all ages. Test your knowledge with increasing difficulty, take skill-measuring exams, or challenge friends. Discover the scientific reality behind answers with informative explanations.

**Highlights:** Science quiz challenges, Skill-measuring exams, Play with friends, Informative scientific explanations, Educational edutainment

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

**In-app purchases:** none


### MindSpark.

[App page](https://appshunter.io/ios/app/mindspark/id6749482272)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 COINS | $9.99 | one-time |
| 500 COINS | $39.99 | one-time |
| 1000 COINS | $79.99 | one-time |
| REMOVE ADS | $99.99 | one-time |


## Frequently asked questions

### Is Hi Score Science free?

Hi Score Science is free to download, with no in-app purchases.

### Is MindSpark. free?

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

### Do Hi Score Science or MindSpark. have ads?

MindSpark. shows ads; Hi Score Science does not.

### Which is updated more often, Hi Score Science or MindSpark.?

Hi Score Science ships an update every 4 months, and MindSpark. every 2 months. Most recently, Hi Score Science was updated on October 12, 2026 and MindSpark. on October 25, 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.*