# IQ Test vs DEEDX

The clearest difference is in-app purchases: DEEDX at none against IQ Test's 7. DEEDX also leads on ads (none vs shown) and update cadence (every 8 days vs every 5 weeks). IQ Test's advantage is iOS requirement (12.0 vs 15.6). On price and device support there is nothing between them.

Both are free to download. IQ Test sells 7 one-off in-app purchases. DEEDX asks for nothing beyond the download.

IQ Test ships an update every 5 weeks, DEEDX every 8 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | IQ Test | DEEDX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (53 ratings)](https://appshunter.io/ios/app/iq-test-intelligence-and-logic/id1644378921/reviews)** | — |
| Number of ratings | **53** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 8 days** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 75 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Cristina Munoz Castillo](https://appshunter.io/developer/1600497964) | [KORSGY TECHNOLOGIES LLC](https://appshunter.io/developer/1637619773) |

## What reviewers say

### IQ Test

[App page](https://appshunter.io/ios/app/iq-test-intelligence-and-logic/id1644378921)

Assess your intelligence with a full IQ test and engage in brain training exercises. Practice logic puzzles, memory challenges, and math problems to enhance cognitive skills. Offers timed and untimed modes for personalized mental workouts.

**Highlights:** Full-length IQ-style test, Short practice quizzes, Logic puzzles, Memory exercises, Math problems, Progress tracking, Daily challenges

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Coins | $0.49 | one-time |
| 20 Coins | $0.99 | one-time |
| 50 Coins | $2.99 | one-time |
| No ads | $3.99 | one-time |
| 100 Coins | $3.99 | one-time |
| 250 Coins | $4.99 | one-time |
| FULL GAME | $5.99 | one-time |


### DEEDX

[App page](https://appshunter.io/ios/app/deedx-stemm-program/id6759089427)

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

**In-app purchases:** none


## Frequently asked questions

### Is IQ Test free?

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

### Is DEEDX free?

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

### Do IQ Test or DEEDX have ads?

IQ Test shows ads; DEEDX does not.

### Which is updated more often, IQ Test or DEEDX?

IQ Test ships an update every 5 weeks, and DEEDX every 8 days. Most recently, IQ Test was updated on October 7, 2026 and DEEDX on October 3, 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.*