# Dolphin vs SAT Prep

The clearest difference is in-app purchases: Dolphin at none against SAT Prep's 3. Dolphin also leads on update cadence (every 2 weeks vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SAT Prep sells 3 in-app purchases, starting at $9.99 per month. Dolphin asks for nothing beyond the download.

Dolphin ships an update every 2 weeks, SAT Prep monthly. The most recent releases landed on October 19, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Dolphin | SAT Prep |
| --- | --- | --- |
| 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** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 229 MB | 23 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PaloAI Inc.](https://appshunter.io/developer/1824977301) | [Shanghai Xushu Information Technology Co., Ltd.](https://appshunter.io/developer/1733615663) |

## 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


### SAT Prep

[App page](https://appshunter.io/ios/app/sat-prep-practice-and-score/id6780398995)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SAT Prep Pro — Monthly | $9.99 | per month |
| SAT Prep Pro — 3 Months | $19.99 | per 3 months |
| SAT Prep Pro — Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is Dolphin free?

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

### Is SAT Prep free?

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

### Do Dolphin or SAT Prep have ads?

Neither Dolphin nor SAT Prep shows ads.

### Which is updated more often, Dolphin or SAT Prep?

Dolphin ships an update every 2 weeks, and SAT Prep monthly. Most recently, Dolphin was updated on October 19, 2026 and SAT Prep on October 17, 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.*