# Bock Water Heaters vs Mobile MSS

Bock Water Heaters and Mobile MSS are too close to call on the numbers: across 9 compared parameters — price, rating, ratings volume and update cadence among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

On the App Store both sit at effectively the same score — 5.0 for Bock Water Heaters against 5.0 for Mobile MSS. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 9 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Bock Water Heaters | Mobile MSS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/bock-water-heaters/id1495987000/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mobile-mss/id6471742584/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | Every 9 months |
| Monetization | Free | Free |
| Size | 159 MB | 25 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bock Water Heaters, Inc.](https://appshunter.io/developer/1829781134) | [Billtrust](https://appshunter.io/developer/1454713057) |

## What reviewers say

### Bock Water Heaters

[App page](https://appshunter.io/ios/app/bock-water-heaters/id1495987000)

Access and manage your Bock water heaters remotely. Monitor status, temperature, and errors. Receive notifications for issues and safely adjust settings from your phone or PC.

**Highlights:** Remote water heater status monitoring, View current tank and setpoint temperatures, Monitor demand, standby, or lockout modes, Safely change water heater setpoint, View error types and history, Receive error and Wi-Fi loss notifications, BACnet compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### Mobile MSS

[App page](https://appshunter.io/ios/app/mobile-mss/id6471742584)

This app provides electrical and industrial solutions. It serves as a reliable resource for professionals in the industry.

**Highlights:** Electrical solutions, Industrial solutions, Trusted resource, Professional tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Bock Water Heaters free?

Bock Water Heaters is free to download, with no in-app purchases.

### Is Mobile MSS free?

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

### Which has better reviews, Bock Water Heaters or Mobile MSS?

Bock Water Heaters and Mobile MSS are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Bock Water Heaters or Mobile MSS have ads?

Neither Bock Water Heaters nor Mobile MSS shows ads.

### Which is updated more often, Bock Water Heaters or Mobile MSS?

Bock Water Heaters ships an update every 9 months, and Mobile MSS every 9 months. Most recently, Bock Water Heaters was updated on November 3, 2026 and Mobile MSS on November 4, 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.*