# Z Control vs BlueSpring

The clearest difference is review sentiment: BlueSpring at 100% against Z Control's 23%. BlueSpring also leads on rating (5.0 vs 2.4) and update cadence (every 3 weeks vs every 6 weeks). Z Control's advantage is ratings volume (67 vs 1) and iOS requirement (12.2 vs 14). On price, ads, in-app purchases and monetization model there is nothing between them.

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

BlueSpring holds the better App Store score, 5.0 against 2.4. That said, the two scores are not equally well evidenced: Z Control has 67 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 23% of Z Control's written reviews are positive against 100% of BlueSpring's.

Z Control ships an update every 6 weeks, BlueSpring every 3 weeks. The most recent releases landed on August 9, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Z Control | BlueSpring |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.4 (67 ratings)](https://appshunter.io/ios/app/z-control/id1005899415/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/bluespring/id6475620036/reviews)** |
| Number of ratings | **67** | 1 |
| Positive reviews | 23.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 49 MB | 57 MB |
| Requires iOS | **12.2** | 14 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Zoeller Company](https://appshunter.io/developer/957114302) | [BLUESPRING CONTROLS, LLC](https://appshunter.io/developer/1440051571) |

## What reviewers say

### Z Control

[App page](https://appshunter.io/ios/app/z-control/id1005899415)

Monitor and manage your property's flood protection systems remotely. Receive real-time alerts, test equipment, silence alarms, and customize settings for peace of mind.

**Highlights:** Real-time flood alerts, Remote equipment testing, Silence alarms, Manage preferences, Adjust settings, Monitor sump pump systems

**Features:** macOS Compatibility

**In-app purchases:** none


### BlueSpring

[App page](https://appshunter.io/ios/app/bluespring/id6475620036)

Manage and control exterior devices like lights, pumps, and sprinklers remotely. Create custom schedules using sunrise/sunset times, static on/off times, or a combination for precise automation. The app offers location-based timing and automatic Daylight Savings Time adjustments.

**Highlights:** Remote device control, Customizable scheduling, Sunrise/sunset timing, Static on/off times, Geolocation features, Daylight Savings adjustments

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Z Control free?

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

### Is BlueSpring free?

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

### Which has better reviews, Z Control or BlueSpring?

BlueSpring is rated higher. Z Control averages 2.4 out of 5 from 67 ratings, while BlueSpring averages 5.0 from 1 ratings.

### Do Z Control or BlueSpring have ads?

Neither Z Control nor BlueSpring shows ads.

### Which is updated more often, Z Control or BlueSpring?

Z Control ships an update every 6 weeks, and BlueSpring every 3 weeks. Most recently, Z Control was updated on August 9, 2026 and BlueSpring on June 1, 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.*