# Mark Time vs TrackHound

The clearest difference is in-app purchases: Mark Time at none against TrackHound's 2. Mark Time also leads on iOS requirement (15.0 vs 18.6). TrackHound's advantage is update cadence (every 5 days vs every 34 months). On price, ads and device support there is nothing between them.

Both are free to download. TrackHound sells 2 in-app purchases, starting at $3.99 per month. Mark Time asks for nothing beyond the download.

Mark Time ships an update every 34 months, TrackHound every 5 days. The most recent releases landed on October 9, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Mark Time | TrackHound |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/mark-time/id1305580742/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 34 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 1 MB | 37 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TrozWare](https://appshunter.io/developer/477909805) | [Michel Storms](https://appshunter.io/developer/1159068554) |

## What reviewers say

### Mark Time

[App page](https://appshunter.io/ios/app/mark-time/id1305580742)

This app helps celestial navigators accurately record UTC time for sextant sightings. It provides tactile and auditory feedback for precise time stamping, storing readings in five registers. Users can optionally photograph their sextant for later verification.

**Highlights:** Accurate UTC time recording, Five time registers, Auditory and vibration feedback, Optional sextant photo capture, Configurable settings, Latitude and longitude verification

**In-app purchases:** none


### TrackHound

[App page](https://appshunter.io/ios/app/trackhound-navigation-remixed/id6762570002)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrackHound Pro — Monthly | $3.99 | per month |
| TrackHound Pro — Annual | $19.99 | per year |


## Frequently asked questions

### Is Mark Time free?

Mark Time is free to download, with no in-app purchases.

### Is TrackHound free?

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

### Do Mark Time or TrackHound have ads?

Neither Mark Time nor TrackHound shows ads.

### Which is updated more often, Mark Time or TrackHound?

Mark Time ships an update every 34 months, and TrackHound every 5 days. Most recently, Mark Time was updated on October 9, 2026 and TrackHound on October 21, 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.*