# correctPlus vs ShakeApp

The clearest difference is ads: ShakeApp at none against correctPlus's shown. ShakeApp also leads on update cadence (every 3 weeks vs every 7 months) and monetization model (free vs ad-supported). On price, in-app purchases and device support 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, ShakeApp every 3 weeks. The most recent releases landed on July 21, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | correctPlus | ShakeApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/shakeapp/id968306308/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 10 MB | 6 MB |
| Requires iOS | 17.6 | **7.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [hiromu izuwa](https://appshunter.io/developer/599721911) | [idealump, K.K.](https://appshunter.io/developer/968306307) |

## 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


### ShakeApp

[App page](https://appshunter.io/ios/app/shakeapp/id968306308)

Turn your phone into a sound-making device. Simulate drums or applause by shaking your device. Ideal for group events like parties and stadiums.

**Highlights:** Shake to make sound, Drum simulation, Applause simulation, Group use, Party entertainment

**In-app purchases:** none


## Frequently asked questions

### Is correctPlus free?

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

### Is ShakeApp free?

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

### Do correctPlus or ShakeApp have ads?

correctPlus shows ads; ShakeApp does not.

### Which is updated more often, correctPlus or ShakeApp?

correctPlus ships an update every 7 months, and ShakeApp every 3 weeks. Most recently, correctPlus was updated on July 21, 2026 and ShakeApp on July 7, 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.*