# Precision Smart Metering vs HAVE RING Ⅱ

The clearest difference is update cadence: Precision Smart Metering at fortnightly against HAVE RING Ⅱ's every 2 months. HAVE RING Ⅱ's advantage is iOS requirement (13.0 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.

Precision Smart Metering ships an update fortnightly, HAVE RING Ⅱ every 2 months. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Precision Smart Metering | HAVE RING Ⅱ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Size | 32 MB | 143 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Accitrack](https://appshunter.io/developer/1086491449) | [广州海葳特电脑科技有限公司](https://appshunter.io/developer/952614892) |

## What reviewers say

### Precision Smart Metering

[App page](https://appshunter.io/ios/app/precision-smart-metering/id6464058400)

**Features:** macOS Compatibility

**In-app purchases:** none


### HAVE RING Ⅱ

[App page](https://appshunter.io/ios/app/have-ring/id6779577073)

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

**In-app purchases:** none


## Frequently asked questions

### Is Precision Smart Metering free?

Precision Smart Metering is free to download, with no in-app purchases.

### Is HAVE RING Ⅱ free?

HAVE RING Ⅱ is free to download, with no in-app purchases.

### Do Precision Smart Metering or HAVE RING Ⅱ have ads?

Neither Precision Smart Metering nor HAVE RING Ⅱ shows ads.

### Which is updated more often, Precision Smart Metering or HAVE RING Ⅱ?

Precision Smart Metering ships an update fortnightly, and HAVE RING Ⅱ every 2 months. Most recently, Precision Smart Metering was updated on October 25, 2026 and HAVE RING Ⅱ on October 31, 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.*