# POWERSYNC Energy Solutions vs Sauna remote controller

The clearest difference is update cadence: POWERSYNC Energy Solutions at every 3 weeks against Sauna remote controller's every 5 months. 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.

POWERSYNC Energy Solutions ships an update every 3 weeks, Sauna remote controller every 5 months. The most recent releases landed on June 7, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | POWERSYNC Energy Solutions | Sauna remote controller |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 38 MB | 40 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [POWERSYNC Energy Solutions, LLC](https://appshunter.io/developer/1662994374) | [Wuxi Yifeixin Electronic Technology Co., Ltd](https://appshunter.io/developer/1755330444) |

## What reviewers say

### POWERSYNC Energy Solutions

[App page](https://appshunter.io/ios/app/powersync-energy-solutions/id6504558183)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sauna remote controller

[App page](https://appshunter.io/ios/app/sauna-remote-controller/id6505138139)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is POWERSYNC Energy Solutions free?

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

### Is Sauna remote controller free?

Sauna remote controller is free to download, with no in-app purchases.

### Do POWERSYNC Energy Solutions or Sauna remote controller have ads?

Neither POWERSYNC Energy Solutions nor Sauna remote controller shows ads.

### Which is updated more often, POWERSYNC Energy Solutions or Sauna remote controller?

POWERSYNC Energy Solutions ships an update every 3 weeks, and Sauna remote controller every 5 months. Most recently, POWERSYNC Energy Solutions was updated on June 7, 2026 and Sauna remote controller 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.*