# Flight Stamp Pro vs UTC ALARM

The clearest difference is price: UTC ALARM at Free against Flight Stamp Pro's $1.99. UTC ALARM also leads on in-app purchases (none vs 1). Flight Stamp Pro's advantage is update cadence (every 5 days vs every 11 days). On ads, device support and iOS requirement there is nothing between them.

UTC ALARM is free to download; Flight Stamp Pro costs $1.99 up front. Flight Stamp Pro sells 1 one-off in-app purchase. UTC ALARM asks for nothing beyond the download.

Flight Stamp Pro ships an update every 5 days, UTC ALARM every 11 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Flight Stamp Pro | UTC ALARM |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/utc-alarm/id6757993387/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 11 days |
| Monetization | — | Free |
| Size | 5 MB | 1 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christian Cuenca](https://appshunter.io/developer/1824650881) | [MAXIME CLEMENT SIMON LAURENT](https://appshunter.io/developer/1870147645) |

## What reviewers say

### Flight Stamp Pro

[App page](https://appshunter.io/ios/app/flight-stamp-pro/id6748744275)

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Times Up Flight-Pro | Free | one-time |


### UTC ALARM

[App page](https://appshunter.io/ios/app/utc-alarm/id6757993387)

This utility app allows users to set alarms based on Coordinated Universal Time (UTC), also known as Zulu time. It is ideal for professionals who work across different time zones, such as pilots and cabin crew, ensuring timely notifications regardless of local time.

**Highlights:** Set alarms in UTC (Zulu time), Multiple custom named alarms, Reliable notifications, Large, clear UTC time display, Clean, dark interface, Works offline, No account required

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Flight Stamp Pro free?

Flight Stamp Pro costs $1.99, and also offers in-app purchases.

### Is UTC ALARM free?

UTC ALARM is free to download, with no in-app purchases.

### Do Flight Stamp Pro or UTC ALARM have ads?

Neither Flight Stamp Pro nor UTC ALARM shows ads.

### Which is updated more often, Flight Stamp Pro or UTC ALARM?

Flight Stamp Pro ships an update every 5 days, and UTC ALARM every 11 days. Most recently, Flight Stamp Pro was updated on November 8, 2026 and UTC ALARM on October 31, 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.*