# IQ Test vs Piday

The clearest difference is rating: Piday at 5.0 against IQ Test's 4.5. Piday also leads on in-app purchases (none vs 7) and ads (none vs shown). IQ Test's advantage is ratings volume (55 vs 1) and iOS requirement (12.0 vs 17.0). On price and device support there is nothing between them.

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

Piday holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: IQ Test has 55 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 89% of IQ Test's written reviews are positive against 100% of Piday's.

IQ Test ships an update every 5 weeks, Piday every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | IQ Test | Piday |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (55 ratings)](https://appshunter.io/ios/app/iq-test-intelligence-and-logic/id1644378921/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/piday/id6760696150/reviews)** |
| Number of ratings | **55** | 1 |
| Positive reviews | 88.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 140 MB | 49 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Cristina Munoz Castillo](https://appshunter.io/developer/1600497964) | [Erik Veland](https://appshunter.io/developer/1833854400) |

## 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 |


### Piday

[App page](https://appshunter.io/ios/app/piday/id6760696150)

This app reveals the precise location of any date within the first five billion digits of pi. Search for significant dates like birthdays or anniversaries and explore their placement in pi's infinite sequence. It supports various date formats and allows you to save and share your discoveries.

**Highlights:** Find today's date in pi, Search for any date in pi, See exact position of dates, Compare multiple date formats, Explore calendar heat map, Save favorite dates, Share discoveries as cards

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is IQ Test free?

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

### Is Piday free?

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

### Which has better reviews, IQ Test or Piday?

Piday is rated higher. IQ Test averages 4.5 out of 5 from 55 ratings, while Piday averages 5.0 from 1 ratings.

### Do IQ Test or Piday have ads?

IQ Test shows ads; Piday does not.

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

IQ Test ships an update every 5 weeks, and Piday every 2 weeks. Most recently, IQ Test was updated on November 8, 2026 and Piday on November 5, 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.*