# NK vs eRacingBattery

The clearest difference is price: eRacingBattery at Free against NK's $9.99. eRacingBattery also leads on ads (none vs shown). NK's advantage is chart position (#197 vs unranked). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

eRacingBattery is free to download; NK costs $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

NK ships an update every 3 months, eRacingBattery every 6 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | NK | eRacingBattery |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 weeks** |
| Best chart rank | **#197** | — |
| Size | 80 MB | 18 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [NK RACING PARTS COMPANY LIMITED](https://appshunter.io/developer/1500859331) | [ARACER SPEEDTEK INC.](https://appshunter.io/developer/1218691866) |

## What reviewers say

### NK

[App page](https://appshunter.io/ios/app/nk-fullstandnext-pro/id1547578451)

**Currently charting:** #197 Top Paid · Utilities (US App Store)

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

**In-app purchases:** none


### eRacingBattery

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

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

**In-app purchases:** none


## Frequently asked questions

### Is NK free?

NK costs $9.99, with no in-app purchases.

### Is eRacingBattery free?

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

### Do NK or eRacingBattery have ads?

NK shows ads; eRacingBattery does not.

### Which is updated more often, NK or eRacingBattery?

NK ships an update every 3 months, and eRacingBattery every 6 weeks. Most recently, NK was updated on October 14, 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.*