# Ruud vs Sera Mobile

The clearest difference is rating: Ruud at 4.6 against Sera Mobile's 2.9. Ruud also leads on ratings volume (1.1K vs 15) and review sentiment (50% vs 38%). 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.

Ruud holds the better App Store score, 4.6 against 2.9. That said, the two scores are not equally well evidenced: Ruud has 1.1K ratings behind it against 15, so its average is the more settled of the two. Written reviews point the same way: 50% of Ruud's written reviews are positive against 38% of Sera Mobile's.

Ruud ships an update monthly, Sera Mobile fortnightly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Ruud | Sera Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (1.1K ratings)](https://appshunter.io/ios/app/ruud/id1608918835/reviews)** | [2.9 (15 ratings)](https://appshunter.io/ios/app/sera-mobile/id6747143907/reviews) |
| Number of ratings | **1.1K** | 15 |
| Positive reviews | **50.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 112 MB | 67 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Rheem Manufacturing Company](https://appshunter.io/developer/853793269) | [Sera Systems, Inc.](https://appshunter.io/developer/1586824730) |

## What reviewers say

### Ruud

[App page](https://appshunter.io/ios/app/ruud/id1608918835)

This app streamlines HVAC installation, service, and support for contractors. It offers Bluetooth connectivity for system setup and troubleshooting, along with access to product information, warranty tracking, and dealer locators.

**Highlights:** Bluetooth setup and troubleshooting, System operating parameter monitoring, Alarm diagnosis and history, Access installation instructions and manuals, Track warranty information, Locate retailers and distributors, Find rebate and financing information

**Features:** Vision Pro support

**In-app purchases:** none


### Sera Mobile

[App page](https://appshunter.io/ios/app/sera-mobile/id6747143907)

This app connects field service professionals with real-time job updates, customer information, and schedules. It allows users to create quotes, send invoices, and accept payments directly from their mobile device.

**Highlights:** Real-time job updates, Customer information access, Quote creation and management, Invoice generation, Payment collection, Appointment scheduling, Technician KPI tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is Ruud free?

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

### Is Sera Mobile free?

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

### Which has better reviews, Ruud or Sera Mobile?

Ruud is rated higher. Ruud averages 4.6 out of 5 from 1.1K ratings, while Sera Mobile averages 2.9 from 15 ratings.

### Do Ruud or Sera Mobile have ads?

Neither Ruud nor Sera Mobile shows ads.

### Which is updated more often, Ruud or Sera Mobile?

Ruud ships an update monthly, and Sera Mobile fortnightly. Most recently, Ruud was updated on October 25, 2026 and Sera Mobile on October 24, 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.*