# Fast OEM Mobile Tech vs Backflow Log

The clearest difference is iOS requirement: Fast OEM Mobile Tech at 15.1 against Backflow Log's 17.0. 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.

Fast OEM Mobile Tech ships an update fortnightly, Backflow Log every 3 weeks. Both last shipped on November 13, 2026.

## The numbers

| Metric | Fast OEM Mobile Tech | Backflow Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (15 ratings)](https://appshunter.io/ios/app/fast-oem-mobile-tech/id941402002/reviews)** | — |
| Number of ratings | **15** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 175 MB | 4 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [International Comfort Products Corporation](https://appshunter.io/developer/941402001) | [Dayton Thorpe](https://appshunter.io/developer/6790003913) |

## What reviewers say

### Fast OEM Mobile Tech

[App page](https://appshunter.io/ios/app/fast-oem-mobile-tech/id941402002)

This app assists HVAC technicians in identifying necessary parts for repairs and locating nearby distributors. It streamlines job management by recording parts used and provides access to technical literature and training resources.

**Highlights:** Parts identification for repairs, Nearest distributor locator, Job management and record keeping, AI assistant for technical questions, System capacity calculator, Product registration, Technical literature access

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

**In-app purchases:** none


### Backflow Log

[App page](https://appshunter.io/ios/app/backflow-log/id6799603346)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fast OEM Mobile Tech free?

Fast OEM Mobile Tech is free to download, with no in-app purchases.

### Is Backflow Log free?

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

### Do Fast OEM Mobile Tech or Backflow Log have ads?

Neither Fast OEM Mobile Tech nor Backflow Log shows ads.

### Which is updated more often, Fast OEM Mobile Tech or Backflow Log?

Fast OEM Mobile Tech ships an update fortnightly, and Backflow Log every 3 weeks. Most recently, Fast OEM Mobile Tech was updated on November 13, 2026 and Backflow Log on November 13, 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.*