# Combat Clock 2a vs Ocean Sound Effects

The clearest difference is price: Ocean Sound Effects at Free against Combat Clock 2a's $0.99. Combat Clock 2a's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Ocean Sound Effects is free to download; Combat Clock 2a costs $0.99 up front. Ocean Sound Effects sells 1 one-off in-app purchase. Combat Clock 2a asks for nothing beyond the download.

Combat Clock 2a ships an update every 6 days, Ocean Sound Effects every 17 months. The most recent releases landed on October 17, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Combat Clock 2a | Ocean Sound Effects |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.3 (28 ratings)](https://appshunter.io/ios/app/combat-clock-2a/id1471648729/reviews)** | — |
| Number of ratings | **28** | — |
| Positive reviews | 70.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 6 days** | Every 17 months |
| Monetization | Paid | — |
| Best chart rank | **#166** | — |
| Size | 13 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JOHN W GRANHOLM](https://appshunter.io/developer/1464746158) | [Brandon Stecklein](https://appshunter.io/developer/498894252) |

## What reviewers say

### Combat Clock 2a

[App page](https://appshunter.io/ios/app/combat-clock-2a/id1471648729)

**Currently charting:** #166 Top Paid · Entertainment (US App Store)

This app replicates a 1957 Air Force 24-hour analog clock. It displays current GPS coordinates, heading, and compass bearing, indicating direction in portrait mode. The application is active only when in the foreground and does not save or transmit any personal data.

**Highlights:** 24-hour analog clock display, Sweeping second hand, GPS coordinate display, Heading and compass bearing, Portrait mode directional indicator, Foreground active only

**Features:** macOS Compatibility

**In-app purchases:** none


### Ocean Sound Effects

[App page](https://appshunter.io/ios/app/ocean-sound-effects/id1501712126)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ocean Sounds Premium | $2.99 | one-time |


## Frequently asked questions

### Is Combat Clock 2a free?

Combat Clock 2a costs $0.99, with no in-app purchases.

### Is Ocean Sound Effects free?

Ocean Sound Effects is free to download, with in-app purchases available.

### Do Combat Clock 2a or Ocean Sound Effects have ads?

Ocean Sound Effects shows ads; Combat Clock 2a does not.

### Which is updated more often, Combat Clock 2a or Ocean Sound Effects?

Combat Clock 2a ships an update every 6 days, and Ocean Sound Effects every 17 months. Most recently, Combat Clock 2a was updated on October 17, 2026 and Ocean Sound Effects on October 3, 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.*