# Flashcards by NKO vs Study Surfers

The clearest difference is review sentiment: Flashcards by NKO at 94% against Study Surfers's 50%. Flashcards by NKO also leads on ads (none vs shown) and ratings volume (2.1K vs 9). Study Surfers's advantage is update cadence (every 3 days vs every 4 weeks) and iOS requirement (15.0 vs 17). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Flashcards by NKO sells 10 in-app purchases, starting at $1.99 per month and Study Surfers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Flashcards by NKO holds the better App Store score, 4.9 against 4.6. That said, the two scores are not equally well evidenced: Flashcards by NKO has 2.1K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 94% of Flashcards by NKO's written reviews are positive against 50% of Study Surfers's.

Flashcards by NKO ships an update every 4 weeks, Study Surfers every 3 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Flashcards by NKO | Study Surfers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (2.1K ratings)](https://appshunter.io/ios/app/flashcards-by-nko-flash-cards/id478986342/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/study-surfers/id6752008601/reviews) |
| Number of ratings | **2.1K** | 9 |
| Positive reviews | **93.8% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 84 MB | 241 MB |
| Requires iOS | 17 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NKO Ventures, LLC](https://appshunter.io/developer/466775889) | [Henry Hinman Whittle](https://appshunter.io/developer/1837850814) |

## What reviewers say

### Flashcards by NKO

[App page](https://appshunter.io/ios/app/flashcards-by-nko-flash-cards/id478986342)

Create and share rich flashcards with images, or download millions from a vast library. Engage with study games and a Spaced Repetition System to enhance learning and track progress.

**Highlights:** Create rich text flashcards with images, Download millions of pre-made flashcards, Engaging study and testing games, Spaced Repetition System (SRS), Class management tools for teachers, Share decks via folders, email, or iTunes, Offline text-to-speech support

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual Edition | $1.99 | per month |
| Individual Edition | $14.99 | per year |
| Abstract | Free | one-time |
| Cats | Free | one-time |
| Spring | Free | one-time |
| Winter | $0.99 | one-time |
| Vintage | $2.99 | one-time |
| Back to School | $2.99 | one-time |
| Individual Edition | $99.99 | one-time |
| Teacher Pro 100 | $99.99 | one-time |


### 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 |


## Frequently asked questions

### Is Flashcards by NKO free?

Flashcards by NKO is free to download, with in-app purchases available.

### Is Study Surfers free?

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

### Which has better reviews, Flashcards by NKO or Study Surfers?

Flashcards by NKO is rated higher. Flashcards by NKO averages 4.9 out of 5 from 2.1K ratings, while Study Surfers averages 4.6 from 9 ratings.

### Do Flashcards by NKO or Study Surfers have ads?

Study Surfers shows ads; Flashcards by NKO does not.

### Which is updated more often, Flashcards by NKO or Study Surfers?

Flashcards by NKO ships an update every 4 weeks, and Study Surfers every 3 days. Most recently, Flashcards by NKO was updated on November 1, 2026 and Study Surfers on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*