# AIQ(아이큐) vs Note Trainer

The clearest difference is update cadence: AIQ(아이큐) at every 3 days against Note Trainer's every 3 weeks. Note Trainer's advantage is monetization model (ad-supported vs free with in-app purchases). On price, review sentiment, ads and in-app purchases there is nothing between them.

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

AIQ(아이큐) ships an update every 3 days, Note Trainer every 3 weeks. The most recent releases landed on October 15, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | AIQ(아이큐) | Note Trainer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 142 MB | 36 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KYOUNGHOON KIM](https://appshunter.io/developer/1887516596) | [SiU Ahn](https://appshunter.io/developer/1601025745) |

## What reviewers say

### AIQ(아이큐)

[App page](https://appshunter.io/ios/app/aiq/id6761052225)

This AI-powered tutoring service offers step-by-step solutions to complex problems, visual explanations of concepts, and smart incorrect answer notebooks. It also provides personalized university recommendations and a real-time study room for collaborative learning.

**Highlights:** Step-by-step AI problem solving, Visual concept explanations, Smart incorrect answer notebook, Flashcard quiz generation, Personalized university analysis, Real-time study room

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

**In-app purchases:** none


### Note Trainer

[App page](https://appshunter.io/ios/app/note-trainer-sight-reading/id6780553641)

This app helps musicians improve their note-reading speed and accuracy through focused flash-quiz drills. It offers various modes to train instant recognition of notes on the staff, catering to different instruments and skill levels. Practice a few minutes daily to enhance your musical fluency and performance.

**Highlights:** Note ID flash-quiz, Find the note reverse drill, Do-Re-Mi / CDEFGAB systems, Time Attack and Survival modes, Weak-spot focus on missed notes, Progress tracking with stats, Offline functionality

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

**In-app purchases:** none


## Frequently asked questions

### Is AIQ(아이큐) free?

AIQ(아이큐) is free to download, with no in-app purchases.

### Is Note Trainer free?

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

### Do AIQ(아이큐) or Note Trainer have ads?

Both AIQ(아이큐) and Note Trainer show ads.

### Which is updated more often, AIQ(아이큐) or Note Trainer?

AIQ(아이큐) ships an update every 3 days, and Note Trainer every 3 weeks. Most recently, AIQ(아이큐) was updated on October 15, 2026 and Note Trainer on September 22, 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.*