# WATTSTUNDE NOVA vs CANNY.LZR

The clearest difference is iOS requirement: WATTSTUNDE NOVA at 11.0 against CANNY.LZR's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

WATTSTUNDE NOVA ships an update every 3 weeks, CANNY.LZR every 6 weeks. The most recent releases landed on June 8, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | WATTSTUNDE NOVA | CANNY.LZR |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 14.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free | — |
| Size | 9 MB | 53 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [WATTSTUNDE GmbH](https://appshunter.io/developer/1469009647) | [Lazer Lamps Ltd](https://appshunter.io/developer/1745540252) |

## What reviewers say

### WATTSTUNDE NOVA

[App page](https://appshunter.io/ios/app/wattstunde-nova/id6480045065)

Monitor your WATTSTUNDE Smart Lithium Battery via Bluetooth 5.0 BLE. View real-time voltage, current, temperature, and cycle life data for your LiFePO4 battery within a 5-meter range. Connect to a single battery at a time for detailed performance insights.

**Highlights:** Bluetooth 5.0 BLE connectivity, Monitor voltage, current, temperature, Track cycle life, Real-time data display, Connect to one battery at a time

**Features:** macOS Compatibility

**In-app purchases:** none


### CANNY.LZR

[App page](https://appshunter.io/ios/app/cannylzr/id6502455556)

**In-app purchases:** none


## Frequently asked questions

### Is WATTSTUNDE NOVA free?

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

### Is CANNY.LZR free?

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

### Do WATTSTUNDE NOVA or CANNY.LZR have ads?

Neither WATTSTUNDE NOVA nor CANNY.LZR shows ads.

### Which is updated more often, WATTSTUNDE NOVA or CANNY.LZR?

WATTSTUNDE NOVA ships an update every 3 weeks, and CANNY.LZR every 6 weeks. Most recently, WATTSTUNDE NOVA was updated on June 8, 2026 and CANNY.LZR on September 8, 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.*