correctPlus vs Light IQ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
correctPlus
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.
- Sound effects for class activities
- Conversation practice sounds
- Wide variety of sounds
- Useful in fun situations
- Designed for Japanese teachers
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I’m a Japanese teacher. This app collects sound effects that I always wished I had for class activities and conversation practice. With a wide variety of sounds, you can use it not only in lessons but also in many fun situations.
Light IQ
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.
- Logic riddles and puzzles
- Tests perception of colors and shapes
- Combinatorics and sequence questions
- Hints available
- Shareable results
- Funny and vibrant design
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In this test: • Questions on the perception of colors and shapes, understanding of combinatorics and sequences • Cool and funny design with vibrant colors and emojis! • …and even hints! Hints?! Exactly! In the 21st century, it is important not only to Know but also to feel the right moment to ask for help. But keep in mind that the algorithm takes hints into account, calculating the result. Got your result? Share it with your friends and find out who is the smartest! Your friend will get the same questions, but with different values to have the most accurate comparison. Try it, share it, and do not forget to rate it!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | correctPlus | Light IQ |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 4 months — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.5 — better |
| Further details — not scored | ||
| Size | 10 MB | 118 MB |
| Age rating | 4+ | 4+ |
| Developer | hiromu izuwa | Egor Vdovin |
Customer experience
correctPlus
Light IQ
In-app purchases
correctPlus
No in-app purchases
Light IQ
No in-app purchases
