# CE HVAC Pro+ vs SAS Flex

The clearest difference is review sentiment: CE HVAC Pro+ at 62% against SAS Flex's 25%. SAS Flex's advantage is monetization model (free vs free with in-app purchases). 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.

CE HVAC Pro+ ships an update every 3 weeks, SAS Flex fortnightly. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | CE HVAC Pro+ | SAS Flex |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.6K ratings)](https://appshunter.io/ios/app/ce-hvac-pro-plus/id512637219/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | **62.1% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 166 MB | 55 MB |
| Requires iOS | 16.0 | **15** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Watsco, Inc.](https://appshunter.io/developer/510378878) | [Specialty Answering Service](https://appshunter.io/developer/922095753) |

## What reviewers say

### CE HVAC Pro+

[App page](https://appshunter.io/ios/app/ce-hvac-pro-plus/id512637219)

This app provides HVAC technicians with instant access to product information, including warranty status, inventory, and technical specifications. It offers real-time support, order tracking, and helpful calculators to streamline job management and business growth.

**Highlights:** Real-time product availability & pricing, Order status and notifications, Video/Text technical support, Warranty entitlement verification, Inventory management tool, Access to technical documents, HVAC calculators

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

**In-app purchases:** none

**What reviewers like**

- 👍 Great customer service
- 🚀 Time-saving tool
- 📚 Helpful technical information
- 🔍 Useful inventory and pricing lookup

**What reviewers complain about**

- 🐛 App crashes and bugs
- ⏱️ Slow performance and loading times
- 🔍 Incomplete product information
- 💰 Pricing issues and lack of transparency

**Reported bugs**

- Incorrect verification codes
- Pricing and availability not showing up
- Scan feature not working as expected

**Requested features**

- Improved search and filtering capabilities
- Seamless account linking and login process
- Enhanced warranty information and status tracking
- Optimized app design for larger screens


### SAS Flex

[App page](https://appshunter.io/ios/app/sas-flex/id1532051532)

Manage your answering service from your phone. Listen to calls, read transcripts, text callers, and update schedules in real time. Improve customer relationships and ensure no calls are missed.

**Highlights:** Listen to call recordings, Read call transcriptions, Text callers directly, Manage on-call schedules, Review call activity, Block unwanted callers, Post operator alerts

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CE HVAC Pro+ free?

CE HVAC Pro+ is free to download, with no in-app purchases.

### Is SAS Flex free?

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

### Do CE HVAC Pro+ or SAS Flex have ads?

Neither CE HVAC Pro+ nor SAS Flex shows ads.

### Which is updated more often, CE HVAC Pro+ or SAS Flex?

CE HVAC Pro+ ships an update every 3 weeks, and SAS Flex fortnightly. Most recently, CE HVAC Pro+ was updated on October 16, 2026 and SAS Flex on October 15, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*