# Su vs SmartLite

The clearest difference is update cadence: SmartLite at every 3 weeks against Su's every 6 months. SmartLite also leads on iOS requirement (13 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.

Su ships an update every 6 months, SmartLite every 3 weeks. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Su | SmartLite |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 50 MB | 36 MB |
| Requires iOS | 15.6 | **13** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [SU-VASTIKA SYSTEMS PRIVATE LIMITED](https://appshunter.io/developer/1523208936) | [祥梯 孟](https://appshunter.io/developer/1070155084) |

## What reviewers say

### 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


### SmartLite

[App page](https://appshunter.io/ios/app/smartlite/id6504552923)

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

**In-app purchases:** none


## Frequently asked questions

### Is Su free?

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

### Is SmartLite free?

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

### Do Su or SmartLite have ads?

Neither Su nor SmartLite shows ads.

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

Su ships an update every 6 months, and SmartLite every 3 weeks. Most recently, Su was updated on October 7, 2026 and SmartLite on October 24, 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.*