# OverRapid vs Protocol

The clearest difference is in-app purchases: Protocol at none against OverRapid's 24. Protocol also leads on review sentiment (79% vs 65%) and iOS requirement (9.0 vs 13.0). OverRapid's advantage is chart position (#184 vs unranked). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. OverRapid sells 23 in-app purchases, starting at $3.99 per month. Protocol asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for OverRapid against 4.2 for Protocol. Both are backed by a comparable volume of ratings — 78 and 53 respectively. Written reviews are what separate them: 65% of OverRapid's written reviews are positive against 79% of Protocol's.

OverRapid ships an update every 2 months, Protocol every 3 months. The most recent releases landed on September 26, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | OverRapid | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (78 ratings)](https://appshunter.io/ios/app/overrapid/id994425296/reviews) | [4.2 (53 ratings)](https://appshunter.io/ios/app/protocolhyperspace-diver/id1124788464/reviews) |
| Number of ratings | **78** | 53 |
| Positive reviews | 64.8% of reviews | **78.5% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#184** | — |
| Size | 72 MB | 274 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Arcstar Co.,Ltd](https://appshunter.io/developer/1743151945) | [LINE Games](https://appshunter.io/developer/447309128) |

## What reviewers say

### OverRapid

[App page](https://appshunter.io/ios/app/overrapid/id994425296)

**Currently charting:** #184 Top Grossing · Music (US App Store)

Experience a dynamic rhythm game with a unique V-shaped lane design and multiple game modes. Unlock songs step-by-step and challenge your best scores. Enhance your gameplay with optional features and affordable music packs.

**Highlights:** 4 lanes and 2 scratch lanes, V-shaped lane design, Random, Mirror, and Hard modes, Song unlock system, BEST mode for record comparison, Add-on music packs, Clap and Auto Play features

**Features:** Vision Pro support

**In-app purchases (23)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Pass | $3.99 | per month |
| Futuristic Orientalism | $0.99 | one-time |
| X-Mas Pack 1 | $1.99 | one-time |
| Original Pack 5 | $2.99 | one-time |
| Original Pack 7 | $2.99 | one-time |
| Music - DECORATION | $2.99 | one-time |
| Original Pack 2 | $2.99 | one-time |
| Dynamix Pack 2 | $2.99 | one-time |
| Original Pack 4 | $2.99 | one-time |
| Evolutionary Reboot Pack | $2.99 | one-time |
| Act.3 Avant-garde | $3.99 | one-time |
| ALTERNATIVE | $3.99 | one-time |
| UNLIMITED | $3.99 | one-time |
| TELESCOPE | $3.99 | one-time |
| Phigros Pack 1 | $3.99 | one-time |
| Phigros Pack 2 | $3.99 | one-time |
| Act.2 Sentimentalism | $3.99 | one-time |
| Act.1 Anti-Roman | $3.99 | one-time |
| STARGAZER | $3.99 | one-time |
| VIVACE | $3.99 | one-time |
| ASTRONOMER | $3.99 | one-time |
| Fusion Core Pack | $3.99 | one-time |
| OverDrive | $3.99 | one-time |


### Protocol

[App page](https://appshunter.io/ios/app/protocolhyperspace-diver/id1124788464)

Experience a unique rhythm game set in a musical hyperspace. Enjoy tense 3D note patterns synchronized with music from famous artists and popular game soundtracks. Optimized for smartphones and tablets.

**Highlights:** Unique 3D visual note patterns, Music from famous artists, Soundtracks from popular games, Optimized for smartphone/tablet, Tense rhythm gameplay

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

**In-app purchases:** none


## Frequently asked questions

### Is OverRapid free?

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

### Is Protocol free?

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

### Which has better reviews, OverRapid or Protocol?

OverRapid and Protocol are both rated 4.2 out of 5 on the App Store, from 78 and 53 ratings respectively.

### Do OverRapid or Protocol have ads?

Neither OverRapid nor Protocol shows ads.

### Which is updated more often, OverRapid or Protocol?

OverRapid ships an update every 2 months, and Protocol every 3 months. Most recently, OverRapid was updated on September 26, 2026 and Protocol on September 23, 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.*