# Think3000 vs Combinatorics PRO

The clearest difference is price: Think3000 at Free against Combinatorics PRO's $1.99. Combinatorics PRO's advantage is update cadence (monthly vs every 17 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Think3000 is free to download; Combinatorics PRO costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Think3000 ships an update every 17 months, Combinatorics PRO monthly. The most recent releases landed on June 11, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Think3000 | Combinatorics PRO |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/think3000/id1661358214/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 17 months | **Monthly** |
| Monetization | Free | — |
| Size | 156 MB | 179 MB |
| Requires iOS | 16.1 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alex Audu](https://appshunter.io/developer/867936665) | [Glindemann, Sennoun, Langer GbR](https://appshunter.io/developer/1024972809) |

## What reviewers say

### Think3000

[App page](https://appshunter.io/ios/app/think3000/id1661358214)

This app offers a fun way to learn and boost your brainpower by condensing vast amounts of knowledge from various subjects into bite-sized pieces. It's designed to be engaging for users aged 7 and above.

**Highlights:** Condensed knowledge bits, Covers Science, Math, English, History, Brain boosting exercises, Fun and engaging learning, Suitable for ages 7+

**Features:** macOS Compatibility

**In-app purchases:** none


### Combinatorics PRO

[App page](https://appshunter.io/ios/app/combinatorics-pro/id6472449368)

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

**In-app purchases:** none


## Frequently asked questions

### Is Think3000 free?

Think3000 is free to download, with no in-app purchases.

### Is Combinatorics PRO free?

Combinatorics PRO costs $1.99, with no in-app purchases.

### Do Think3000 or Combinatorics PRO have ads?

Neither Think3000 nor Combinatorics PRO shows ads.

### Which is updated more often, Think3000 or Combinatorics PRO?

Think3000 ships an update every 17 months, and Combinatorics PRO monthly. Most recently, Think3000 was updated on June 11, 2026 and Combinatorics PRO on September 7, 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.*