# SwinMeter vs SmartKeyApp

The clearest difference is update cadence: SmartKeyApp at every 4 days against SwinMeter's every 9 days. 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.

SwinMeter ships an update every 9 days, SmartKeyApp every 4 days. Both last shipped on October 2, 2026.

## The numbers

| Metric | SwinMeter | SmartKeyApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/swinmeter/id6758701993/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 4 days** |
| Monetization | Free | — |
| Size | 52 MB | 26 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ningbo Shiling Jingkong Shiye Co.,Ltd.](https://appshunter.io/developer/1529842059) | [GoldCard-Power](https://appshunter.io/developer/6771682685) |

## What reviewers say

### SwinMeter

[App page](https://appshunter.io/ios/app/swinmeter/id6758701993)

Manage your energy and water meters online with features like recharging, clearing meters, and detailed analysis. This app also offers remote and Bluetooth control for locks.

**Highlights:** Energy meter management, Water meter management, Meter analysis, Remote lock control, Bluetooth lock control, Meter recharging

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

**In-app purchases:** none


### SmartKeyApp

[App page](https://appshunter.io/ios/app/smartkeyapp/id6771682683)

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

**In-app purchases:** none


## Frequently asked questions

### Is SwinMeter free?

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

### Is SmartKeyApp free?

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

### Do SwinMeter or SmartKeyApp have ads?

Neither SwinMeter nor SmartKeyApp shows ads.

### Which is updated more often, SwinMeter or SmartKeyApp?

SwinMeter ships an update every 9 days, and SmartKeyApp every 4 days. Most recently, SwinMeter was updated on October 2, 2026 and SmartKeyApp on October 2, 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.*