# Wolf River Propane vs Flag Protocol

The clearest difference is device support: Wolf River Propane at 3 against Flag Protocol's 1. Wolf River Propane also leads on iOS requirement (12.2 vs 18.2). 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.

Wolf River Propane ships an update every 4 months, Flag Protocol every 2 months. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Wolf River Propane | Flag Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.3 (6 ratings)](https://appshunter.io/ios/app/flag-protocol/id6752128454/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 56 MB | 14 MB |
| Requires iOS | **12.2** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) | [Curayt, LLC](https://appshunter.io/developer/1012363586) |

## What reviewers say

### Wolf River Propane

[App page](https://appshunter.io/ios/app/wolf-river-propane/id1627567180)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flag Protocol

[App page](https://appshunter.io/ios/app/flag-protocol/id6752128454)

This app provides up-to-date information on when to fly the US flag at full staff versus half staff. It's designed to be free and easy to use, ensuring you always display your flag correctly.

**Highlights:** Full staff vs. half staff guidance, Up-to-date flag display information, Easy setup, Free to use

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

**In-app purchases:** none


## Frequently asked questions

### Is Wolf River Propane free?

Wolf River Propane is free to download, with no in-app purchases.

### Is Flag Protocol free?

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

### Do Wolf River Propane or Flag Protocol have ads?

Neither Wolf River Propane nor Flag Protocol shows ads.

### Which is updated more often, Wolf River Propane or Flag Protocol?

Wolf River Propane ships an update every 4 months, and Flag Protocol every 2 months. Most recently, Wolf River Propane was updated on November 7, 2026 and Flag Protocol on November 5, 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.*