# FlaglerCO Alerting vs Flag Protocol

The clearest difference is update cadence: Flag Protocol at every 2 months against FlaglerCO Alerting's every 15 months. FlaglerCO Alerting's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On price, 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.

FlaglerCO Alerting ships an update every 15 months, Flag Protocol every 2 months. The most recent releases landed on October 8, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | FlaglerCO Alerting | Flag Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.6 (5 ratings)](https://appshunter.io/ios/app/flag-protocol/id6752128454/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 66 MB | 14 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mach Alert Inc.](https://appshunter.io/developer/1472612618) | [Curayt, LLC](https://appshunter.io/developer/1012363586) |

## What reviewers say

### FlaglerCO Alerting

[App page](https://appshunter.io/ios/app/flaglerco-alerting/id1533464115)

**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 FlaglerCO Alerting free?

FlaglerCO Alerting 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 FlaglerCO Alerting or Flag Protocol have ads?

Neither FlaglerCO Alerting nor Flag Protocol shows ads.

### Which is updated more often, FlaglerCO Alerting or Flag Protocol?

FlaglerCO Alerting ships an update every 15 months, and Flag Protocol every 2 months. Most recently, FlaglerCO Alerting was updated on October 8, 2026 and Flag Protocol on September 25, 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.*