# Raena AI vs Study Surfers

The clearest difference is ads: Raena AI at none against Study Surfers's shown. Raena AI also leads on ratings volume (857 vs 9). Study Surfers's advantage is update cadence (every 3 days vs every 11 days). On price, rating, review sentiment and in-app purchases there is nothing between them.

Both are free to download. Raena AI sells 9 in-app purchases, starting at $6.99 per 7 days and Study Surfers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Raena AI against 4.6 for Study Surfers. That said, the two scores are not equally well evidenced: Raena AI has 857 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 46% of Raena AI's written reviews are positive against 50% of Study Surfers's.

Raena AI ships an update every 11 days, Study Surfers every 3 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | Raena AI | Study Surfers |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (857 ratings)](https://appshunter.io/ios/app/raena-ai-flashcards-and-notes/id6746026925/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/study-surfers/id6752008601/reviews) |
| Number of ratings | **857** | 9 |
| Positive reviews | 46.3% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 11 days | **Every 3 days** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 119 MB | 241 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Raena AI](https://appshunter.io/developer/1814774225) | [Henry Hinman Whittle](https://appshunter.io/developer/1837850814) |

## What reviewers say

### Raena AI

[App page](https://appshunter.io/ios/app/raena-ai-flashcards-and-notes/id6746026925)

Transform study materials into interactive learning tools like quizzes, flashcards, and summaries using AI. This app helps students learn more effectively and retain information faster, offering features like AI tutors and study podcasts.

**Highlights:** AI Quiz Generator, Smart Summaries, Flashcards, Study Podcasts, AI Tutor, Brainrot Mode, Study Games

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $6.99 | per 7 days |
| Pro Plan | $6.99 | per 7 days |
| Pro Plan | $13.99 | per month |
| Pro Plan | $13.99 | per month |
| Pro Plan | $13.99 | per month |
| Pro Plan | $33.49 | per year |
| Pro Plan | $83.99 | per year |
| Pro Plan | $83.99 | per year |
| Pro Plan | $89.99 | per year |

**What reviewers like**

- 👍 Good app
- 🚀 Helps improve grades
- 🚀 Saves time
- 🚀 Helpful features
- 👍 Love the app

**What reviewers complain about**

- 🔒 Need to pay to access
- 🔒 Blocked without subscription
- 🔒 Asks for credit card
- 🐛 Yucky pictures and naked people

**Reported bugs**

- Login screen freezes
- Incompatible with older devices

**Requested features**

- Dark mode option
- Improve marketing content


### 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 Raena AI free?

Raena AI 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, Raena AI or Study Surfers?

Raena AI is rated higher. Raena AI averages 4.6 out of 5 from 857 ratings, while Study Surfers averages 4.6 from 9 ratings.

### Do Raena AI or Study Surfers have ads?

Study Surfers shows ads; Raena AI does not.

### Which is updated more often, Raena AI or Study Surfers?

Raena AI ships an update every 11 days, and Study Surfers every 3 days. Most recently, Raena AI was updated on November 5, 2026 and Study Surfers on November 5, 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.*