# DoseVault vs Protocol

The clearest difference is update cadence: DoseVault at every 6 days against Protocol's every 2 months. Protocol's advantage is iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. DoseVault sells 3 in-app purchases, starting at $4.99 per 7 days and Protocol sells 2 in-app purchases, starting at $39.99 per year. Whichever you choose, the download price is not the number that matters.

DoseVault ships an update every 6 days, Protocol every 2 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | DoseVault | Protocol |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Every 2 months |
| Size | 2 MB | 41 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Vikram Joshi](https://appshunter.io/developer/1875452225) | [Kevin Marsh](https://appshunter.io/developer/1273893146) |

## What reviewers say

### DoseVault

[App page](https://appshunter.io/ios/app/dosevault-injection-tracker/id6779019633)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Annual | $29.99 | per year |
| DoseVault Pro Lifetime | $59.99 | one-time |


### 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 DoseVault free?

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

### Is Protocol free?

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

### Do DoseVault or Protocol have ads?

Neither DoseVault nor Protocol shows ads.

### Which is updated more often, DoseVault or Protocol?

DoseVault ships an update every 6 days, and Protocol every 2 months. Most recently, DoseVault was updated on October 9, 2026 and Protocol on October 15, 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.*