# Circuit Cellar vs WaterHandler

The clearest difference is rating: WaterHandler at 5.0 against Circuit Cellar's 1.0. WaterHandler also leads on in-app purchases (none vs 10) and update cadence (monthly vs every 16 months). Circuit Cellar's advantage is iOS requirement (11.0 vs 13.4). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Circuit Cellar sells 10 in-app purchases, starting at $23.99 per year. WaterHandler asks for nothing beyond the download.

WaterHandler holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Circuit Cellar ships an update every 16 months, WaterHandler monthly. The most recent releases landed on July 4, 2026 and July 28, 2026 respectively.

## The numbers

| Metric | Circuit Cellar | WaterHandler |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/circuit-cellar/id1187533465/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/waterhandler/id6443764424/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 16 months | **Monthly** |
| Monetization | Subscription | **Free** |
| Size | 33 MB | 27 MB |
| Requires iOS | **11.0** | 13.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Magzter Inc.](https://appshunter.io/developer/406791755) | [Hero Control System](https://appshunter.io/developer/6795223212) |

## What reviewers say

### Circuit Cellar

[App page](https://appshunter.io/ios/app/circuit-cellar/id1187533465)

Access in-depth engineering tutorials, microcontroller projects, and industry news for electrical engineers and electronics enthusiasts. Explore topics like embedded development, signal processing, and IoT. Subscriptions are available within the app.

**Highlights:** Engineering tutorials, Microcontroller projects, Embedded systems news, Signal processing articles, IoT project guides, Robotics content

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Circuit Cellar 30 | $23.99 | per year |
| Circuit Cellar 1 Year | $34.99 | per year |
| Circuit Cellar - December 2016 | $8.99 | one-time |
| Circuit Cellar - November 2016 | $8.99 | one-time |
| Circuit Cellar - January 2017 | $8.99 | one-time |
| Circuit Cellar - July 2017 | $8.99 | one-time |
| December 2017 | $8.99 | one-time |
| July 2018 | $8.99 | one-time |
| March 2018 | $8.99 | one-time |
| Circuit Cellar November 2018 | $8.99 | one-time |


### WaterHandler

[App page](https://appshunter.io/ios/app/waterhandler/id6443764424)

Remotely monitor and control various smart home devices, including water valves, lights, and appliances. This system allows for faster and easier management of your connected devices from any location.

**Highlights:** Connect and control multiple devices, Faster and easier device management, Remote monitoring of smart devices, Control appliances like water valves and lights, Access from anywhere

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Circuit Cellar free?

Circuit Cellar is free to download, with in-app purchases available.

### Is WaterHandler free?

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

### Which has better reviews, Circuit Cellar or WaterHandler?

WaterHandler is rated higher. Circuit Cellar averages 1.0 out of 5 from 1 ratings, while WaterHandler averages 5.0 from 2 ratings.

### Do Circuit Cellar or WaterHandler have ads?

Neither Circuit Cellar nor WaterHandler shows ads.

### Which is updated more often, Circuit Cellar or WaterHandler?

Circuit Cellar ships an update every 16 months, and WaterHandler monthly. Most recently, Circuit Cellar was updated on July 4, 2026 and WaterHandler on July 28, 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.*