# SHOTLOG vs Peptide Library and Tracker

The clearest difference is review sentiment: Peptide Library and Tracker at 83% against SHOTLOG's 31%. Peptide Library and Tracker also leads on monetization model (free vs freemium). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. SHOTLOG sells 8 in-app purchases, starting at $0.99 per month and Peptide Library and Tracker sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

SHOTLOG ships an update fortnightly, Peptide Library and Tracker every 10 days. The most recent releases landed on September 11, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | SHOTLOG | Peptide Library and Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (20 ratings)](https://appshunter.io/ios/app/peptide-library-and-tracker/id6755092737/reviews)** |
| Number of ratings | — | **20** |
| Positive reviews | 30.8% of reviews | **83.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Freemium | **Free** |
| Size | 53 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [RoboCFI LLC](https://appshunter.io/developer/953702880) | [Superfime LLC](https://appshunter.io/developer/1833586524) |

## What reviewers say

### SHOTLOG

[App page](https://appshunter.io/ios/app/shotlog-peptide-tracker/id6738789312)

This app helps users meticulously track peptide protocols for weight loss and biohacking. It offers features like dose reminders, unit calculations, inventory management, and progress monitoring through charts and photos. Users can log nutrition, side effects, and export data for healthcare providers.

**Highlights:** Customizable peptide protocol creation, Dose calculation (mg, mcg, IU to units), Vial inventory and dose tracking, Intelligent dose reminders, Automatic injection site rotation, Weight, measurement, and progress photo tracking, Nutrition and side effect logging, Data export for healthcare providers

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $0.99 | per month |
| Basic | $1.99 | per month |
| Pro Monthly | $2.99 | per month |
| Premium Monthly | $4.99 | per month |
| Premium Monthly | $4.99 | per month |
| Premium Yearly | $34.99 | per year |
| Premium Annually | $34.99 | per year |
| Pro Yearly | $34.99 | per year |


### 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 |


## Frequently asked questions

### Is SHOTLOG free?

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

### Is Peptide Library and Tracker free?

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

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

Neither SHOTLOG nor Peptide Library and Tracker shows ads.

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

SHOTLOG ships an update fortnightly, and Peptide Library and Tracker every 10 days. Most recently, SHOTLOG was updated on September 11, 2026 and Peptide Library and Tracker on September 12, 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.*