# OverRapid vs BrainCalcu

The clearest difference is in-app purchases: BrainCalcu at none against OverRapid's 24. BrainCalcu also leads on update cadence (daily vs every 5 weeks). OverRapid's advantage is ads (none vs shown) and chart position (#154 vs unranked). On price there is nothing between them.

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

OverRapid ships an update every 5 weeks, BrainCalcu daily. The most recent releases landed on September 21, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | OverRapid | BrainCalcu |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (78 ratings)](https://appshunter.io/ios/app/overrapid/id994425296/reviews)** | — |
| Number of ratings | **78** | — |
| Positive reviews | 64.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#154** | — |
| Size | 80 MB | 5 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Arcstar Co.,Ltd](https://appshunter.io/developer/1743151945) | [Ghassan Jaam](https://appshunter.io/developer/1071543938) |

## What reviewers say

### OverRapid

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

**Currently charting:** #154 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 |


### BrainCalcu

[App page](https://appshunter.io/ios/app/braincalcu/id6670341205)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OverRapid free?

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

### Is BrainCalcu free?

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

### Do OverRapid or BrainCalcu have ads?

BrainCalcu shows ads; OverRapid does not.

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

OverRapid ships an update every 5 weeks, and BrainCalcu daily. Most recently, OverRapid was updated on September 21, 2026 and BrainCalcu on September 17, 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.*