# WATTSTUNDESOLAR vs Supervolt Solar

WATTSTUNDESOLAR and Supervolt Solar 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.

WATTSTUNDESOLAR ships an update every 5 weeks, Supervolt Solar every 2 months. The most recent releases landed on September 2, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | WATTSTUNDESOLAR | Supervolt Solar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Size | 52 MB | 16 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) | [Bauer Trading GmbH](https://appshunter.io/developer/1552664041) |

## What reviewers say

### WATTSTUNDESOLAR

[App page](https://appshunter.io/ios/app/wattstundesolar/id6449745523)

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

**In-app purchases:** none


### Supervolt Solar

[App page](https://appshunter.io/ios/app/supervolt-solar/id6471923263)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WATTSTUNDESOLAR free?

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

### Is Supervolt Solar free?

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

### Do WATTSTUNDESOLAR or Supervolt Solar have ads?

Neither WATTSTUNDESOLAR nor Supervolt Solar shows ads.

### Which is updated more often, WATTSTUNDESOLAR or Supervolt Solar?

WATTSTUNDESOLAR ships an update every 5 weeks, and Supervolt Solar every 2 months. Most recently, WATTSTUNDESOLAR was updated on September 2, 2026 and Supervolt Solar on September 12, 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.*