# ViewPower vs Su

The clearest difference is iOS requirement: ViewPower at 11.0 against Su's 15.6. On price, review sentiment, update cadence and ads there is nothing between them.

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

ViewPower ships an update every 11 months, Su every 6 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | ViewPower | Su |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/viewpower/id1502213017/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 6 months** |
| Monetization | Free | Free |
| Size | 19 MB | 50 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [祥梯 孟](https://appshunter.io/developer/1070155084) | [SU-VASTIKA SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1523208936) |

## What reviewers say

### ViewPower

[App page](https://appshunter.io/ios/app/viewpower/id1502213017)

Monitor device status, configure settings, and receive important notifications. Record historical device data for review. This utility app helps manage device operations effectively.

**Highlights:** Display device status, Configure device settings, Receive warning/alarm notifications, Record device data history

**Features:** macOS Compatibility

**In-app purchases:** none


### Su

[App page](https://appshunter.io/ios/app/su-vastika-ess/id6449174793)

Monitor and control your home energy storage system. View real-time grid voltage, battery status, and load usage. Protect your home from voltage fluctuations and manage power consumption remotely.

**Highlights:** Real-time grid voltage monitoring, Low and high voltage protection, Battery mode switching, Load percentage and usage display, Overload visual and audio alarms, Remote load on/off control, Battery reserve mode setting

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ViewPower free?

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

### Is Su free?

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

### Do ViewPower or Su have ads?

Neither ViewPower nor Su shows ads.

### Which is updated more often, ViewPower or Su?

ViewPower ships an update every 11 months, and Su every 6 months. Most recently, ViewPower was updated on November 3, 2026 and Su on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*