# correctPlus vs Light IQ

The clearest difference is review sentiment: Light IQ at 100% against correctPlus's 0%. Light IQ also leads on update cadence (every 4 months vs every 7 months) and iOS requirement (15.5 vs 17.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

correctPlus ships an update every 7 months, Light IQ every 4 months. The most recent releases landed on July 21, 2026 and August 17, 2026 respectively.

## The numbers

| Metric | correctPlus | Light IQ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/light-iq-logic-riddles-test/id1530681225/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Ad-supported | Ad-supported |
| Size | 10 MB | 118 MB |
| Requires iOS | 17.6 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hiromu izuwa](https://appshunter.io/developer/599721911) | [Egor Vdovin](https://appshunter.io/developer/1261045705) |

## What reviewers say

### correctPlus

[App page](https://appshunter.io/ios/app/correctplus/id718264772)

This app provides a wide variety of sound effects for Japanese language lessons and conversation practice. It's designed to be useful for educators and learners in various fun situations beyond the classroom.

**Highlights:** Sound effects for class activities, Conversation practice sounds, Wide variety of sounds, Useful in fun situations, Designed for Japanese teachers

**Features:** macOS Compatibility

**In-app purchases:** none


### Light IQ

[App page](https://appshunter.io/ios/app/light-iq-logic-riddles-test/id1530681225)

Test your logic and problem-solving skills with a variety of puzzles. Explore questions about colors, shapes, combinatorics, and sequences. Share your results with friends for a fun comparison.

**Highlights:** Logic riddles and puzzles, Tests perception of colors and shapes, Combinatorics and sequence questions, Hints available, Shareable results, Funny and vibrant design

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is correctPlus free?

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

### Is Light IQ free?

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

### Do correctPlus or Light IQ have ads?

Both correctPlus and Light IQ show ads.

### Which is updated more often, correctPlus or Light IQ?

correctPlus ships an update every 7 months, and Light IQ every 4 months. Most recently, correctPlus was updated on July 21, 2026 and Light IQ on August 17, 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.*