# DoubleDive vs 푸리

The clearest difference is in-app purchases: 푸리 at none against DoubleDive's 2. DoubleDive's advantage is update cadence (daily vs every 3 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DoubleDive sells 2 one-off in-app purchases. 푸리 asks for nothing beyond the download.

DoubleDive ships an update daily, 푸리 every 3 days. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | DoubleDive | 푸리 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/doubledive/id6783585810/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 83.3% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Monetization | Freemium | **Free** |
| Size | 82 MB | 137 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LEVELUP AI GROUP LLC](https://appshunter.io/developer/6783585812) | [Hwan Kim](https://appshunter.io/developer/6800942600) |

## What reviewers say

### DoubleDive

[App page](https://appshunter.io/ios/app/doubledive/id6783585810)

This app uses AI to help students understand complex problems by breaking them down step-by-step and engaging them with questions. It supports a wide range of subjects and standardized test preparation, offering personalized learning experiences.

**Highlights:** AI-powered step-by-step problem solving, Interactive questioning for understanding, Supports various subjects and standardized tests, Voice interaction for clarification, Practice problem generation, Personalized learning notebook, Multilingual support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 20 Credits | $4.99 | one-time |
| 50 Credits | $10.99 | one-time |


### 푸리

[App page](https://appshunter.io/ios/app/ai/id6800942598)

This app analyzes your step-by-step solutions to past college entrance exam math problems using AI. It identifies not just incorrect answers but also the specific reasoning errors you made, helping you understand why you got it wrong.

**Highlights:** AI analysis of solution steps, Identifies reasoning errors, Automatic grading of multiple-choice and short-answer questions, Automatic error notebook creation, Practice past exam papers, iPad pen support

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

**In-app purchases:** none


## Frequently asked questions

### Is DoubleDive free?

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

### Is 푸리 free?

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

### Do DoubleDive or 푸리 have ads?

Neither DoubleDive nor 푸리 shows ads.

### Which is updated more often, DoubleDive or 푸리?

DoubleDive ships an update daily, and 푸리 every 3 days. Most recently, DoubleDive was updated on October 7, 2026 and 푸리 on October 19, 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.*