# Study Surfers vs Kno

The clearest difference is in-app purchases: Kno at none against Study Surfers's 1. Kno also leads on ads (none vs shown) and update cadence (daily vs every 3 days). Study Surfers's advantage is ratings volume (7 vs 1) and iOS requirement (15.0 vs 18.0). On price, rating and device support there is nothing between them.

Both are free to download. Study Surfers sells 1 one-off in-app purchase. Kno asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Study Surfers against 5.0 for Kno. That said, the two scores are not equally well evidenced: Study Surfers has 7 ratings behind it against 1, so its average is the more settled of the two.

Study Surfers ships an update every 3 days, Kno daily. The most recent releases landed on October 7, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Study Surfers | Kno |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/study-surfers/id6752008601/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kno-notes-into-knowledge/id6791437958/reviews) |
| Number of ratings | **7** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | **Daily** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 241 MB | 5 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Henry Hinman Whittle](https://appshunter.io/developer/1837850814) | [ARIE MAG,E LOVE](https://appshunter.io/developer/6791437960) |

## What reviewers say

### Study Surfers

[App page](https://appshunter.io/ios/app/study-surfers/id6752008601)

This app transforms study notes into an engaging endless runner game. Use AI to generate custom quizzes from any topic, test your knowledge to increase speed, and compete for high scores. Customize your character with earned in-game currency.

**Highlights:** AI-generated custom quizzes, Endless runner gameplay, Speed increases with correct answers, Character customization, High score competition, Unlockable outfits and accessories

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $8.99 | one-time |


### Kno

[App page](https://appshunter.io/ios/app/kno-notes-into-knowledge/id6791437958)

This AI-powered study tool helps nursing students transform lecture notes into personalized study guides, flashcards, and practice quizzes. Engage in live multiplayer quiz battles with classmates or join study groups to enhance learning and retention.

**Highlights:** AI-generated study guides, AI flashcards, NCLEX-style practice questions, Multiplayer quiz battles, Study groups and chats, Progress tracking

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Study Surfers free?

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

### Is Kno free?

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

### Which has better reviews, Study Surfers or Kno?

Study Surfers and Kno are both rated 5.0 out of 5 on the App Store, from 7 and 1 ratings respectively.

### Do Study Surfers or Kno have ads?

Study Surfers shows ads; Kno does not.

### Which is updated more often, Study Surfers or Kno?

Study Surfers ships an update every 3 days, and Kno daily. Most recently, Study Surfers was updated on October 7, 2026 and Kno on September 29, 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.*