# REMS vs PowerInsight2

The clearest difference is update cadence: PowerInsight2 at monthly against REMS's every 2 months. REMS's advantage is iOS requirement (9.0 vs 13.0). 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.

REMS ships an update every 2 months, PowerInsight2 monthly. The most recent releases landed on October 21, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | REMS | PowerInsight2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 25 MB | 67 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shandong Rongwei Information Technology Co.,ltd.](https://appshunter.io/developer/1448813453) | [SINENG ELECTRIC CO.,LTD.](https://appshunter.io/developer/1518524663) |

## What reviewers say

### REMS

[App page](https://appshunter.io/ios/app/rems/id1448813454)

**Features:** macOS Compatibility

**In-app purchases:** none


### PowerInsight2

[App page](https://appshunter.io/ios/app/powerinsight2/id6443889542)

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

**In-app purchases:** none


## Frequently asked questions

### Is REMS free?

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

### Is PowerInsight2 free?

PowerInsight2 is free to download, with no in-app purchases.

### Do REMS or PowerInsight2 have ads?

Neither REMS nor PowerInsight2 shows ads.

### Which is updated more often, REMS or PowerInsight2?

REMS ships an update every 2 months, and PowerInsight2 monthly. Most recently, REMS was updated on October 21, 2026 and PowerInsight2 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.*