# Dolphin vs brAiny

The clearest difference is in-app purchases: Dolphin at none against brAiny's 1. Dolphin also leads on ratings volume (1.2K vs 3). brAiny's advantage is review sentiment (100% vs 84%) and rating (5.0 vs 4.8). On price, update cadence, ads and monetization model there is nothing between them.

Both are free to download. brAiny sells 1 in-app purchase, starting at $12.99 per month. Dolphin asks for nothing beyond the download.

brAiny holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Dolphin has 1.2K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 84% of Dolphin's written reviews are positive against 100% of brAiny's.

Dolphin ships an update every 11 days, brAiny fortnightly. The most recent releases landed on September 25, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Dolphin | brAiny |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (1.2K ratings)](https://appshunter.io/ios/app/dolphin-sat-and-act-prep/id6748280981/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/brainy-learning-built-for-you/id6778201821/reviews)** |
| Number of ratings | **1.2K** | 3 |
| Positive reviews | 84.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 87 MB | 38 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [PaloAI Inc.](https://appshunter.io/developer/1824977301) | [CHINGTING TU](https://appshunter.io/developer/6778201823) |

## What reviewers say

### Dolphin

[App page](https://appshunter.io/ios/app/dolphin-sat-and-act-prep/id6748280981)

Master the Digital SAT with a unique, social media-inspired interface. Swipe through thousands of official practice questions with instant, short video explanations. The app intelligently adapts to your learning, focusing on your weak areas for efficient score improvement.

**Highlights:** 10,000+ Official Digital SAT Questions, Short Video Solutions for Every Problem, Personalized Learning Algorithm, Spaced Repetition for Retention, Frictionless Study Design, Score Tracking

**In-app purchases:** none


### brAiny

[App page](https://appshunter.io/ios/app/brainy-learning-built-for-you/id6778201821)

This AI-powered tutor offers personalized explanations for any subject, adapting to your learning style. It uses proven methods like active recall and spaced repetition to build lasting understanding, not just memorization. Track progress, master weak areas, and stay motivated with smart review tools.

**Highlights:** Personalized AI tutoring, Visual learning support, Master weak areas, Smarter review with spaced repetition, Progress tracking and study streaks, Homework and exam preparation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| brAiny Pro | $12.99 | per month |


## Frequently asked questions

### Is Dolphin free?

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

### Is brAiny free?

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

### Which has better reviews, Dolphin or brAiny?

brAiny is rated higher. Dolphin averages 4.8 out of 5 from 1.2K ratings, while brAiny averages 5.0 from 3 ratings.

### Do Dolphin or brAiny have ads?

Neither Dolphin nor brAiny shows ads.

### Which is updated more often, Dolphin or brAiny?

Dolphin ships an update every 11 days, and brAiny fortnightly. Most recently, Dolphin was updated on September 25, 2026 and brAiny on September 14, 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.*