# SJHT vs Watt Energy

The clearest difference is update cadence: SJHT at monthly against Watt Energy's every 2 months. SJHT also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and device support there is nothing between them.

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

SJHT ships an update monthly, Watt Energy every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | SJHT | Watt Energy |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Size | 50 MB | 36 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [c-o-d-e-s B.V.](https://appshunter.io/developer/1703545347) | [Earn-E BV](https://appshunter.io/developer/1512133210) |

## What reviewers say

### SJHT

[App page](https://appshunter.io/ios/app/sjht/id6464064987)

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

**In-app purchases:** none


### Watt Energy

[App page](https://appshunter.io/ios/app/watt-energy/id6757919325)

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

**In-app purchases:** none


## Frequently asked questions

### Is SJHT free?

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

### Is Watt Energy free?

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

### Do SJHT or Watt Energy have ads?

Neither SJHT nor Watt Energy shows ads.

### Which is updated more often, SJHT or Watt Energy?

SJHT ships an update monthly, and Watt Energy every 2 months. Most recently, SJHT was updated on October 25, 2026 and Watt Energy on October 28, 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.*