# Protocol Tracker vs Marginalias

The clearest difference is price: Protocol Tracker at Free against Marginalias's $3.99. Protocol Tracker also leads on update cadence (fortnightly vs every 5 weeks). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Protocol Tracker is free to download; Marginalias costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Protocol Tracker ships an update fortnightly, Marginalias every 5 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Protocol Tracker | Marginalias |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 5 weeks |
| Size | 2 MB | 1 MB |
| Requires iOS | 26 | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Finnian Murphy](https://appshunter.io/developer/1820648351) | [Robert Corbin](https://appshunter.io/developer/1890247992) |

## What reviewers say

### Protocol Tracker

[App page](https://appshunter.io/ios/app/protocol-tracker/id6748462072)

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

**In-app purchases:** none


### Marginalias

[App page](https://appshunter.io/ios/app/marginalias/id6785662242)

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

**In-app purchases:** none


## Frequently asked questions

### Is Protocol Tracker free?

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

### Is Marginalias free?

Marginalias costs $3.99, with no in-app purchases.

### Do Protocol Tracker or Marginalias have ads?

Neither Protocol Tracker nor Marginalias shows ads.

### Which is updated more often, Protocol Tracker or Marginalias?

Protocol Tracker ships an update fortnightly, and Marginalias every 5 weeks. Most recently, Protocol Tracker was updated on October 28, 2026 and Marginalias on October 28, 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.*