# WaterMe vs Smart Battery Guard

The clearest difference is iOS requirement: WaterMe at 6.1 against Smart Battery Guard's 11.0. 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.

WaterMe ships an update every 2 weeks, Smart Battery Guard fortnightly. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | WaterMe | Smart Battery Guard |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Free | — |
| Size | 8 MB | 9 MB |
| Requires iOS | **6.1** | 11.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nymet Australia PTY LTD](https://appshunter.io/developer/656641758) | [富强 代](https://appshunter.io/developer/1470062133) |

## What reviewers say

### WaterMe

[App page](https://appshunter.io/ios/app/waterme/id848777290)

Remotely monitor and control your irrigation system, managing up to 10 zones and schedules. It adapts watering to local weather and includes a flow sensor for usage monitoring and leak detection.

**Highlights:** Remote irrigation system control, Manage up to 10 zones and schedules, Real-time flow data statistics, Remote shutdown for leaks, Weather-adaptive watering schedules, Nymet 1” Flow Sensor integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Smart Battery Guard

[App page](https://appshunter.io/ios/app/smart-battery-guard/id1584470331)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WaterMe free?

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

### Is Smart Battery Guard free?

Smart Battery Guard is free to download, with no in-app purchases.

### Do WaterMe or Smart Battery Guard have ads?

Neither WaterMe nor Smart Battery Guard shows ads.

### Which is updated more often, WaterMe or Smart Battery Guard?

WaterMe ships an update every 2 weeks, and Smart Battery Guard fortnightly. Most recently, WaterMe was updated on November 1, 2026 and Smart Battery Guard on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*