# K Magic vs eRacingBattery

The clearest difference is in-app purchases: eRacingBattery at none against K Magic's 4. eRacingBattery also leads on iOS requirement (12.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. K Magic sells 4 one-off in-app purchases. eRacingBattery asks for nothing beyond the download.

K Magic ships an update monthly, eRacingBattery every 6 weeks. The most recent releases landed on October 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | K Magic | eRacingBattery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 111 MB | 18 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tong Yah Electronic Technology Co., Ltd.](https://appshunter.io/developer/1050103913) | [ARACER SPEEDTEK INC.](https://appshunter.io/developer/1218691866) |

## What reviewers say

### K Magic

[App page](https://appshunter.io/ios/app/k-magic/id6444849232)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 30 KOSO COINS | $0.99 | one-time |
| 60 KOSO COINS | $1.99 | one-time |
| 120 KOSO COINS | $3.99 | one-time |
| 240 KOSO COINS | $6.99 | one-time |


### eRacingBattery

[App page](https://appshunter.io/ios/app/eracingbattery/id6447655920)

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

**In-app purchases:** none


## Frequently asked questions

### Is K Magic free?

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

### Is eRacingBattery free?

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

### Do K Magic or eRacingBattery have ads?

Neither K Magic nor eRacingBattery shows ads.

### Which is updated more often, K Magic or eRacingBattery?

K Magic ships an update monthly, and eRacingBattery every 6 weeks. Most recently, K Magic was updated on October 30, 2026 and eRacingBattery on October 10, 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.*