# Science Quiz & Knowledge Test vs PlusOne

The clearest difference is update cadence: PlusOne at daily against Science Quiz & Knowledge Test's every 5 weeks. Science Quiz & Knowledge Test's advantage is iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Science Quiz & Knowledge Test sells 7 in-app purchases, starting at $1.99 per 7 days and PlusOne sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Science Quiz & Knowledge Test ships an update every 5 weeks, PlusOne daily. Both last shipped on September 15, 2026.

## The numbers

| Metric | Science Quiz & Knowledge Test | PlusOne |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (44 ratings)](https://appshunter.io/ios/app/science-quiz-and-knowledge-test/id1142302901/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 127 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Asad Shoaib](https://appshunter.io/developer/1142302870) | [WeStudy L.L.C.](https://appshunter.io/developer/789622315) |

## What reviewers say

### Science Quiz & Knowledge Test

[App page](https://appshunter.io/ios/app/science-quiz-and-knowledge-test/id1142302901)

Engage with thousands of science questions across various disciplines. This interactive trivia game offers detailed explanations, multiple play modes, and progress tracking to enhance your scientific knowledge and critical thinking skills.

**Highlights:** Thousands of science questions, Detailed explanations for each question, Multiple play modes (Solo, Multiplayer), Science Knowledge Score tracking, Exam preparation assistance, Achievements and leaderboards

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - No Ads & Unlock Topics | $1.99 | per 7 days |
| Pro - No Ads & Unlock Topics | $5.99 | per month |
| Pro - No Ads & Unlock Topics | $19.99 | per year |
| Reset Timer | $0.99 | one-time |
| Half Eliminator | $0.99 | one-time |
| Unlock Topics | $0.99 | one-time |
| Remove Ads | $2.99 | one-time |


### PlusOne

[App page](https://appshunter.io/ios/app/plusone-math/id6745531772)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Vs Credits | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Science Quiz & Knowledge Test free?

Science Quiz & Knowledge Test is free to download, with in-app purchases available.

### Is PlusOne free?

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

### Do Science Quiz & Knowledge Test or PlusOne have ads?

Both Science Quiz & Knowledge Test and PlusOne show ads.

### Which is updated more often, Science Quiz & Knowledge Test or PlusOne?

Science Quiz & Knowledge Test ships an update every 5 weeks, and PlusOne daily. Most recently, Science Quiz & Knowledge Test was updated on September 15, 2026 and PlusOne on September 15, 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.*