# Siboo vs OverEcho

The clearest difference is price: OverEcho at Free against Siboo's $1.99. OverEcho also leads on update cadence (monthly vs every 8 months) and iOS requirement (12.0 vs 15.6). Siboo's advantage is in-app purchases (none vs 5). On ads and device support there is nothing between them.

OverEcho is free to download; Siboo costs $1.99 up front. OverEcho sells 5 one-off in-app purchases. Siboo asks for nothing beyond the download.

Siboo ships an update every 8 months, OverEcho monthly. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Siboo | OverEcho |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/overecho/id6748117205/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 743 MB | 1003 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [David Anthony MARY](https://appshunter.io/developer/1720018855) | [Guangzhou Gailvbo Technology Co.,Ltd.](https://appshunter.io/developer/1824408708) |

## What reviewers say

### Siboo

[App page](https://appshunter.io/ios/app/siboo-boosh/id6473841498)

**Features:** macOS Compatibility

**In-app purchases:** none


### OverEcho

[App page](https://appshunter.io/ios/app/overecho/id6748117205)

Experience a new kind of rhythm game with immersive storytelling and exciting music gameplay. Discover new songs, unlock stories, and challenge yourself with multiple difficulty levels. Investigate surreal incidents and strengthen bonds with companions on your adventure.

**Highlights:** Diverse music library, Five difficulty levels per song, Rich customization options, Achievement collection, Deep story investigation, Companion bonding

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A bit of EQU | $0.99 | one-time |
| Some EQU | $3.99 | one-time |
| A box of EQU | $9.99 | one-time |
| A pile of EQU | $14.99 | one-time |
| A mountain of EQU | $29.99 | one-time |


## Frequently asked questions

### Is Siboo free?

Siboo costs $1.99, with no in-app purchases.

### Is OverEcho free?

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

### Do Siboo or OverEcho have ads?

Neither Siboo nor OverEcho shows ads.

### Which is updated more often, Siboo or OverEcho?

Siboo ships an update every 8 months, and OverEcho monthly. Most recently, Siboo was updated on September 9, 2026 and OverEcho on September 21, 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.*