# GreyStone Power vs SmartLED Ambient Lighting

The clearest difference is review sentiment: SmartLED Ambient Lighting at 42% against GreyStone Power's 12%. SmartLED Ambient Lighting also leads on rating (2.5 vs 2.3). GreyStone Power's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, 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.

SmartLED Ambient Lighting holds the better App Store score, 2.5 against 2.3. Both are backed by a comparable volume of ratings — 74 and 25 respectively. Written reviews point the same way: 12% of GreyStone Power's written reviews are positive against 42% of SmartLED Ambient Lighting's.

GreyStone Power ships an update every 6 months, SmartLED Ambient Lighting every 5 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | GreyStone Power | SmartLED Ambient Lighting |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (74 ratings)](https://appshunter.io/ios/app/greystone-power/id983961601/reviews) | **[2.5 (25 ratings)](https://appshunter.io/ios/app/smartled-ambient-lighting/id1629934813/reviews)** |
| Number of ratings | **74** | 25 |
| Positive reviews | 11.8% of reviews | **41.7% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 174 MB | 8 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GreyStone Power Corporation,an electric membership corporation](https://appshunter.io/developer/983961600) | [VAIS Technology](https://appshunter.io/developer/758905891) |

## What reviewers say

### GreyStone Power

[App page](https://appshunter.io/ios/app/greystone-power/id983961601)

Manage your electricity account with ease. View bills, make payments, and track usage. Report outages and find office locations on the go.

**Highlights:** Account management, Bill viewing, Payment processing, Electricity usage tracking, Outage reporting, Office location finder, Alerts and reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### SmartLED Ambient Lighting

[App page](https://appshunter.io/ios/app/smartled-ambient-lighting/id1629934813)

Control ambient lighting in your vehicle with customizable color and brightness settings. Adjust front and rear zones independently or synced for a personalized interior atmosphere.

**Highlights:** Color wheel selection, Preset color swatches, Zone brightness adjustment, Independent front/rear zone control, Sync front and rear zones, Zone OFF feature

**In-app purchases:** none


## Frequently asked questions

### Is GreyStone Power free?

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

### Is SmartLED Ambient Lighting free?

SmartLED Ambient Lighting is free to download, with no in-app purchases.

### Which has better reviews, GreyStone Power or SmartLED Ambient Lighting?

SmartLED Ambient Lighting is rated higher. GreyStone Power averages 2.3 out of 5 from 74 ratings, while SmartLED Ambient Lighting averages 2.5 from 25 ratings.

### Do GreyStone Power or SmartLED Ambient Lighting have ads?

Neither GreyStone Power nor SmartLED Ambient Lighting shows ads.

### Which is updated more often, GreyStone Power or SmartLED Ambient Lighting?

GreyStone Power ships an update every 6 months, and SmartLED Ambient Lighting every 5 months. Most recently, GreyStone Power was updated on November 1, 2026 and SmartLED Ambient Lighting on November 3, 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.*