# Waltr vs ZeroB Smart Tech

The clearest difference is update cadence: Waltr at every 10 days against ZeroB Smart Tech's every 3 weeks. ZeroB Smart Tech'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.

Waltr ships an update every 10 days, ZeroB Smart Tech every 3 weeks. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Waltr | ZeroB Smart Tech |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/waltr/id1490091432/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 45 MB | 55 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kre38 Labs Private Limited](https://appshunter.io/developer/1490091431) | [ION EXCHANGE INDIA LIMITED](https://appshunter.io/developer/1839408491) |

## What reviewers say

### Waltr

[App page](https://appshunter.io/ios/app/waltr/id1490091432)

This app provides real-time control and monitoring for various water management devices. It helps optimize water usage, automate pumps and valves, and track water quality and levels for homes, businesses, and communities.

**Highlights:** Real-time tank level monitoring, Automated pump and valve control, Borewell scheduling and monitoring, Water quality (TDS) tracking, Usage tracking and historical data, Alerts for low/high levels and maintenance

**In-app purchases:** none


### ZeroB Smart Tech

[App page](https://appshunter.io/ios/app/zerob-smart-tech/id6759641358)

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

**In-app purchases:** none


## Frequently asked questions

### Is Waltr free?

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

### Is ZeroB Smart Tech free?

ZeroB Smart Tech is free to download, with no in-app purchases.

### Do Waltr or ZeroB Smart Tech have ads?

Neither Waltr nor ZeroB Smart Tech shows ads.

### Which is updated more often, Waltr or ZeroB Smart Tech?

Waltr ships an update every 10 days, and ZeroB Smart Tech every 3 weeks. Most recently, Waltr was updated on October 13, 2026 and ZeroB Smart Tech on October 10, 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.*