# Peptide Library and Tracker vs Smart Peptide Tracker

The clearest difference is monetization model: Peptide Library and Tracker at free against Smart Peptide Tracker's freemium. Smart Peptide Tracker's advantage is ratings volume (166 vs 25) and update cadence (every 5 days vs every 10 days). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month and Smart Peptide Tracker sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Peptide Library and Tracker against 4.7 for Smart Peptide Tracker. That said, the two scores are not equally well evidenced: Smart Peptide Tracker has 166 ratings behind it against 25, so its average is the more settled of the two. Written reviews are what separate them: 86% of Peptide Library and Tracker's written reviews are positive against 87% of Smart Peptide Tracker's.

Peptide Library and Tracker ships an update every 10 days, Smart Peptide Tracker every 5 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Peptide Library and Tracker | Smart Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (25 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews) | **[4.7 (166 ratings)](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412/reviews)** |
| Number of ratings | 25 | **166** |
| Positive reviews | 85.7% of reviews | **87.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 78 MB | 114 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Superfime LLC](https://appshunter.io/developer/1833586524) | [Sean Hussain](https://appshunter.io/developer/1871263008) |

## What reviewers say

### Peptide Library and Tracker

[App page](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737)

This app serves as a comprehensive guide and lab assistant for peptide research. It offers a detailed peptide library, dose calculation tools, and advanced tracking features for logging, inventory management, and protocol adherence. Users can also access educational content and community Q&A to enhance their research workflow.

**Highlights:** Comprehensive Peptide Library & Database, Advanced Peptide Dose Calculator, Smart Tracking & Calendar View, Lab Inventory Management, Protocol Tracking & Lab Assistant, Integrated Peptide Education

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Library Pro Monthly | $4.99 | per month |
| Peptide Library Pro Yearly | $39.99 | per year |


### 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 (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peak 3-day Trial | Free | one-time |
| Ai Question Pack (20 questions) | $4.99 | one-time |
| Partner Add-on | $9.99 | one-time |
| Extra Partner Add-on | $9.99 | one-time |
| Premium Lifetime - Discount | $14.99 | one-time |
| Partner Biomarkers Add-on | $14.99 | one-time |
| Biomarkers Add-on | $14.99 | one-time |
| Premium Lifetime | $19.99 | one-time |
| Partner Mode+ | $19.99 | one-time |
| Peak | $29.99 | one-time |
| Elite | $39.99 | one-time |


## Frequently asked questions

### Is Peptide Library and Tracker free?

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

### Is Smart Peptide Tracker free?

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

### Which has better reviews, Peptide Library and Tracker or Smart Peptide Tracker?

Smart Peptide Tracker is rated higher. Peptide Library and Tracker averages 4.7 out of 5 from 25 ratings, while Smart Peptide Tracker averages 4.7 from 166 ratings.

### Do Peptide Library and Tracker or Smart Peptide Tracker have ads?

Neither Peptide Library and Tracker nor Smart Peptide Tracker shows ads.

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

Peptide Library and Tracker ships an update every 10 days, and Smart Peptide Tracker every 5 days. Most recently, Peptide Library and Tracker was updated on October 24, 2026 and Smart Peptide Tracker on October 25, 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.*