# Dolphin vs Mr. Seven

The clearest difference is in-app purchases: Dolphin at none against Mr. Seven's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Mr. Seven sells 2 in-app purchases, starting at $9.99 per month. Dolphin asks for nothing beyond the download.

Dolphin ships an update every 2 weeks, Mr. Seven every 9 days. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Dolphin | Mr. Seven |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (1.3K ratings)](https://appshunter.io/ios/app/dolphin-sat-prep/id6748280981/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 83.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Size | 229 MB | 54 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PaloAI Inc.](https://appshunter.io/developer/1824977301) | [Santiana Irakoze](https://appshunter.io/developer/6777982084) |

## What reviewers say

### Dolphin

[App page](https://appshunter.io/ios/app/dolphin-sat-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


### Mr. Seven

[App page](https://appshunter.io/ios/app/mr-seven/id6777982082)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |
| Max | $24.99 | per month |


## Frequently asked questions

### Is Dolphin free?

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

### Is Mr. Seven free?

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

### Do Dolphin or Mr. Seven have ads?

Neither Dolphin nor Mr. Seven shows ads.

### Which is updated more often, Dolphin or Mr. Seven?

Dolphin ships an update every 2 weeks, and Mr. Seven every 9 days. Most recently, Dolphin was updated on October 21, 2026 and Mr. Seven on October 15, 2026.

---

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