# Sippie vs Protocol

The clearest difference is in-app purchases: Sippie at none against Protocol's 2. Sippie also leads on iOS requirement (13.0 vs 15.1). Protocol's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Protocol sells 2 in-app purchases, starting at $39.99 per year. Sippie asks for nothing beyond the download.

## The numbers

| Metric | Sippie | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | — | Every 2 months |
| Size | 37 MB | 41 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Keecon](https://appshunter.io/developer/963043657) | [Kevin Marsh](https://appshunter.io/developer/1273893146) |

## What reviewers say

### Sippie

[App page](https://appshunter.io/ios/app/sippie-hydration-tracker/id6762090601)

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

**In-app purchases:** none


### Protocol

[App page](https://appshunter.io/ios/app/protocol-dose-and-lab-tracker/id6800878308)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Annual | $39.99 | per year |
| Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Sippie free?

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

### Is Protocol free?

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

### Do Sippie or Protocol have ads?

Sippie shows ads; Protocol does not.

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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.*