# REVOTION X vs Next Level Systems Battery

REVOTION X and Next Level Systems Battery are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

REVOTION X ships an update every 6 weeks, Next Level Systems Battery every 3 months. Both last shipped on October 25, 2026.

## The numbers

| Metric | REVOTION X | Next Level Systems Battery |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 117 MB | 24 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [REVOTION GmbH](https://appshunter.io/developer/1620839790) | [Next Level Systems GmbH](https://appshunter.io/developer/1804878050) |

## What reviewers say

### REVOTION X

[App page](https://appshunter.io/ios/app/revotion-x/id6670405852)

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

**In-app purchases:** none


### Next Level Systems Battery

[App page](https://appshunter.io/ios/app/next-level-systems-battery/id6759964491)

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

**In-app purchases:** none


## Frequently asked questions

### Is REVOTION X free?

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

### Is Next Level Systems Battery free?

Next Level Systems Battery is free to download, with no in-app purchases.

### Do REVOTION X or Next Level Systems Battery have ads?

Neither REVOTION X nor Next Level Systems Battery shows ads.

### Which is updated more often, REVOTION X or Next Level Systems Battery?

REVOTION X ships an update every 6 weeks, and Next Level Systems Battery every 3 months. Most recently, REVOTION X was updated on October 25, 2026 and Next Level Systems Battery on October 25, 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.*