# Backflow Pro vs Backflow Log

The clearest difference is in-app purchases: Backflow Log at none against Backflow Pro's 5. Backflow Pro's advantage is iOS requirement (15.6 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Backflow Pro sells 5 in-app purchases, starting at $3.99 per month. Backflow Log asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 14, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Backflow Pro | Backflow Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/backflow-pro/id1643496459/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Time Lock Documentation, LLC](https://appshunter.io/developer/1196195710) | [Dayton Thorpe](https://appshunter.io/developer/6790003913) |

## What reviewers say

### Backflow Pro

[App page](https://appshunter.io/ios/app/backflow-pro/id1643496459)

This app digitizes backflow prevention documentation, creating secure, visual records with time-stamped photos and GPS data. It streamlines compliance letters, invoices, and repair tracking for building and facility professionals.

**Highlights:** Digital backflow prevention program creation, Time-stamped and GPS-stamped photo embedding, Electronic signature capture, Automated compliance letters and invoices, Cloud syncing across multiple devices, Scheduling calendar with push notifications, Organized file storage by project and client

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stand Alone Plan | $3.99 | per month |
| Bronze Plan | $29.99 | per month |
| Silver Plan | $49.99 | per month |
| Gold Plan | $71.99 | per month |
| Platinum Plan | $80.99 | per month |


### 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 Backflow Pro free?

Backflow Pro is free to download, with in-app purchases available.

### Is Backflow Log free?

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

### Do Backflow Pro or Backflow Log have ads?

Neither Backflow Pro nor Backflow Log shows ads.

### Which is updated more often, Backflow Pro or Backflow Log?

Backflow Pro ships an update every 3 weeks, and Backflow Log every 3 weeks. Most recently, Backflow Pro was updated on November 14, 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.*