# IQ Test vs 心電図Navi

The clearest difference is ads: 心電図Navi at none against IQ Test's shown. IQ Test's advantage is iOS requirement (12.0 vs 17.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. IQ Test sells 7 one-off in-app purchases and 心電図Navi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

IQ Test ships an update every 5 weeks, 心電図Navi monthly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | IQ Test | 心電図Navi |
| --- | --- | --- |
| 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 | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 140 MB | 3 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Cristina Munoz Castillo](https://appshunter.io/developer/1600497964) | [Takahiro Ito](https://appshunter.io/developer/6787806782) |

## 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 |


### 心電図Navi

[App page](https://appshunter.io/ios/app/navi/id6802314816)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| フル版（全波形解放） | $5.99 | one-time |


## Frequently asked questions

### Is IQ Test free?

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

### Is 心電図Navi free?

心電図Navi is free to download, with in-app purchases available.

### Do IQ Test or 心電図Navi have ads?

IQ Test shows ads; 心電図Navi does not.

### Which is updated more often, IQ Test or 心電図Navi?

IQ Test ships an update every 5 weeks, and 心電図Navi monthly. Most recently, IQ Test was updated on October 7, 2026 and 心電図Navi 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.*