# Smart Peptide Tracker vs Protocol Tracker

The clearest difference is update cadence: Smart Peptide Tracker at every 5 days against Protocol Tracker's every 2 weeks. Smart Peptide Tracker also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Smart Peptide Tracker sells 9 one-off in-app purchases and Protocol Tracker sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

Smart Peptide Tracker ships an update every 5 days, Protocol Tracker every 2 weeks. The most recent releases landed on September 21, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Smart Peptide Tracker | Protocol Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (154 ratings)](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412/reviews)** | — |
| Number of ratings | **154** | — |
| Positive reviews | 90.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Freemium | — |
| Size | 82 MB | 20 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Sean Hussain](https://appshunter.io/developer/1871263008) | [Mc Pol Cruz](https://appshunter.io/developer/1884728788) |

## What reviewers say

### Smart Peptide Tracker

[App page](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412)

Manage supplement inventory, schedule routines, and track personal progress with a comprehensive research companion. Features include a reconstitution calculator, visual progress charts, and site rotation planning. Offers optional cloud sync and PIN encryption for privacy.

**Highlights:** Inventory management with reconstitution calculator, Customizable schedules and push notification reminders, One-tap logging and backfilling up to 14 days, Progress tracking with charts and photos, Stack analysis for compatibility and overlap, Visual site rotation planner, Cycle planner and cost tracker

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Question Pack (20 questions) | $4.99 | one-time |
| Partner Add-on | $9.99 | one-time |
| Extra Partner Add-on | $9.99 | one-time |
| Partner Biomarkers Add-on | $14.99 | one-time |
| Biomarkers Add-on | $14.99 | one-time |
| Premium Lifetime - Discount | $25.99 | one-time |
| Premium Lifetime | $34.99 | one-time |
| Peak | $44.99 | one-time |
| Elite | $54.99 | one-time |


### Protocol Tracker

[App page](https://appshunter.io/ios/app/protocol-tracker-dosefi/id6760504673)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $3.99 | per month |
| Yearly | $34.99 | per year |


## Frequently asked questions

### Is Smart Peptide Tracker free?

Smart Peptide Tracker is free to download, with in-app purchases available.

### Is Protocol Tracker free?

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

### Do Smart Peptide Tracker or Protocol Tracker have ads?

Neither Smart Peptide Tracker nor Protocol Tracker shows ads.

### Which is updated more often, Smart Peptide Tracker or Protocol Tracker?

Smart Peptide Tracker ships an update every 5 days, and Protocol Tracker every 2 weeks. Most recently, Smart Peptide Tracker was updated on September 21, 2026 and Protocol Tracker on September 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.*