# Smartrak Identify vs Marlin

The clearest difference is update cadence: Marlin at every 3 months against Smartrak Identify's every 41 months. Smartrak Identify's advantage is iOS requirement (10.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Smartrak Identify ships an update every 41 months, Marlin every 3 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Smartrak Identify | Marlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Size | 20 MB | 88 MB |
| Requires iOS | **10.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smartrak Ltd](https://appshunter.io/developer/1100537512) | [Megabus Software Pty Ltd](https://appshunter.io/developer/1646934204) |

## What reviewers say

### Smartrak Identify

[App page](https://appshunter.io/ios/app/smartrak-identify/id1527691868)

**In-app purchases:** none


### Marlin

[App page](https://appshunter.io/ios/app/marlin/id6443537755)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smartrak Identify free?

Smartrak Identify is free to download, with no in-app purchases.

### Is Marlin free?

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

### Do Smartrak Identify or Marlin have ads?

Neither Smartrak Identify nor Marlin shows ads.

### Which is updated more often, Smartrak Identify or Marlin?

Smartrak Identify ships an update every 41 months, and Marlin every 3 months. Most recently, Smartrak Identify was updated on October 11, 2026 and Marlin on October 14, 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.*