# Pearl Diver HD vs Design Thinking

The clearest difference is rating: Design Thinking at 3.0 against Pearl Diver HD's 1.5. Design Thinking also leads on review sentiment (100% vs 71%) and update cadence (every 5 months vs every 20 months). Pearl Diver HD's advantage is in-app purchases (none vs 1). On price, ratings volume, ads and monetization model there is nothing between them.

Both are free to download. Design Thinking sells 1 one-off in-app purchase. Pearl Diver HD asks for nothing beyond the download.

Design Thinking holds the better App Store score, 3.0 against 1.5. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews point the same way: 71% of Pearl Diver HD's written reviews are positive against 100% of Design Thinking's.

Pearl Diver HD ships an update every 20 months, Design Thinking every 5 months. The most recent releases landed on November 1, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Pearl Diver HD | Design Thinking |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.5 (2 ratings)](https://appshunter.io/ios/app/pearl-diver-hd/id364617763/reviews) | **[3.0 (5 ratings)](https://appshunter.io/ios/app/design-thinking/id901382557/reviews)** |
| Number of ratings | 2 | **5** |
| Positive reviews | 71.4% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 28 MB | 132 MB |
| Requires iOS | 17.6 | **6.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [New Mexico State University Board of Regents](https://appshunter.io/developer/337567846) | [PURPLEFISH LAB LTD.](https://appshunter.io/developer/901378538) |

## What reviewers say

### Pearl Diver HD

[App page](https://appshunter.io/ios/app/pearl-diver-hd/id364617763)

Dive into the ocean depths to master the number line, including fractions and decimals, by collecting pearls. This game is designed by educators to align with Common Core standards for grades 3-8.

**Highlights:** Number line mastery, Fractions and decimals, Common Core standards alignment, Progress tracking, Educational game design, Pearl collection gameplay

**Features:** macOS Compatibility

**In-app purchases:** none


### Design Thinking

[App page](https://appshunter.io/ios/app/design-thinking/id901382557)

This app provides a structured approach to the design thinking process, guiding users through understanding user needs, generating ideas, prototyping, and testing. It serves as a tool for designers to enhance their brainstorming sessions and refine their creative thinking.

**Highlights:** Four-stage design thinking process, Brainstorming guidance, Inspiration for originality, Multiple language support, Planning and design workflow aid

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Full Version | $5.99 | one-time |


## Frequently asked questions

### Is Pearl Diver HD free?

Pearl Diver HD is free to download, with no in-app purchases.

### Is Design Thinking free?

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

### Which has better reviews, Pearl Diver HD or Design Thinking?

Design Thinking is rated higher. Pearl Diver HD averages 1.5 out of 5 from 2 ratings, while Design Thinking averages 3.0 from 5 ratings.

### Do Pearl Diver HD or Design Thinking have ads?

Neither Pearl Diver HD nor Design Thinking shows ads.

### Which is updated more often, Pearl Diver HD or Design Thinking?

Pearl Diver HD ships an update every 20 months, and Design Thinking every 5 months. Most recently, Pearl Diver HD was updated on November 1, 2026 and Design Thinking on November 6, 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.*