# SoundEffect App vs Custom Prediction ~ 自由に予言できる

The clearest difference is price: SoundEffect App at Free against Custom Prediction ~ 自由に予言できる's $1.99. SoundEffect App also leads on update cadence (fortnightly vs every 6 weeks). Custom Prediction ~ 自由に予言できる's advantage is in-app purchases (none vs 4) and ads (none vs shown). On device support there is nothing between them.

SoundEffect App is free to download; Custom Prediction ~ 自由に予言できる costs $1.99 up front. SoundEffect App sells 4 one-off in-app purchases. Custom Prediction ~ 自由に予言できる asks for nothing beyond the download.

SoundEffect App ships an update fortnightly, Custom Prediction ~ 自由に予言できる every 6 weeks. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | SoundEffect App | Custom Prediction ~ 自由に予言できる |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.7 (30 ratings)](https://appshunter.io/ios/app/soundeffect-app/id1124954405/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 100 MB | 42 MB |
| Requires iOS | 16.0 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tomohiro Ohwada](https://appshunter.io/developer/991660409) | [Moving Squad Inc.](https://appshunter.io/developer/1004830155) |

## What reviewers say

### SoundEffect App

[App page](https://appshunter.io/ios/app/soundeffect-app/id1124954405)

Record and organize a vast library of sound effects. Play sounds based on your gestures, creating a personalized audio experience. Access a diverse collection of over 350 sound effects.

**Highlights:** 350+ sound effects, Create custom sound effect lists, Play sound effects via gestures, Organize sound effects

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Banner ad removal. | $1.99 | one-time |
| App development support | $1.99 | one-time |
| Fullscreen ad removal. | $1.99 | one-time |
| All Ads removal And Support | $4.99 | one-time |


### Custom Prediction ~ 自由に予言できる

[App page](https://appshunter.io/ios/app/custom-prediction/id6459885605)

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

**In-app purchases:** none


## Frequently asked questions

### Is SoundEffect App free?

SoundEffect App is free to download, with in-app purchases available.

### Is Custom Prediction ~ 自由に予言できる free?

Custom Prediction ~ 自由に予言できる costs $1.99, with no in-app purchases.

### Do SoundEffect App or Custom Prediction ~ 自由に予言できる have ads?

SoundEffect App shows ads; Custom Prediction ~ 自由に予言できる does not.

### Which is updated more often, SoundEffect App or Custom Prediction ~ 自由に予言できる?

SoundEffect App ships an update fortnightly, and Custom Prediction ~ 自由に予言できる every 6 weeks. Most recently, SoundEffect App was updated on November 6, 2026 and Custom Prediction ~ 自由に予言できる on October 30, 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.*