# 30 Seconds vs KnowQuiz

The clearest difference is update cadence: KnowQuiz at every 3 months against 30 Seconds's every 9 months. 30 Seconds's advantage is iOS requirement (9.0 vs 15.1). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for 30 Seconds against 5.0 for KnowQuiz. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

30 Seconds ships an update every 9 months, KnowQuiz every 3 months. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 30 Seconds | KnowQuiz |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/30-seconds-fast-math/id980479414/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/knowquiz-gk-general-knowledge/id6781113917/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 14 MB | 30 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pouria Almassi](https://appshunter.io/developer/980479413) | [SAWANKUMAR PATEL](https://appshunter.io/developer/6781113920) |

## What reviewers say

### 30 Seconds

[App page](https://appshunter.io/ios/app/30-seconds-fast-math/id980479414)

Test your mental math abilities by solving as many equations as possible within a 30-second time limit. This app focuses on addition, subtraction, and multiplication, with plans to add more operations. Track your progress and aim for new high scores.

**Highlights:** Solve math equations quickly, Improve mental math skills, Includes addition, subtraction, multiplication, Track high scores, 30-second timed challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### KnowQuiz

[App page](https://appshunter.io/ios/app/knowquiz-gk-general-knowledge/id6781113917)

Test your knowledge with over 5,000 curated questions across aptitude, logic, and general knowledge. This offline app offers a distraction-free learning experience with features like smart shuffling and progress tracking.

**Highlights:** 5,000+ curated questions, Offline functionality, Smart shuffling, Progress tracking, 50/50 lifeline, Light and dark mode

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

**In-app purchases:** none


## Frequently asked questions

### Is 30 Seconds free?

30 Seconds is free to download, with no in-app purchases.

### Is KnowQuiz free?

KnowQuiz is free to download, with no in-app purchases.

### Which has better reviews, 30 Seconds or KnowQuiz?

30 Seconds and KnowQuiz are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do 30 Seconds or KnowQuiz have ads?

Neither 30 Seconds nor KnowQuiz shows ads.

### Which is updated more often, 30 Seconds or KnowQuiz?

30 Seconds ships an update every 9 months, and KnowQuiz every 3 months. Most recently, 30 Seconds was updated on October 6, 2026 and KnowQuiz on October 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.*