# Smart Peptide Tracker vs PeptideBros

The clearest difference is rating: PeptideBros at 5.0 against Smart Peptide Tracker's 4.7. PeptideBros also leads on review sentiment (100% vs 86%). Smart Peptide Tracker's advantage is update cadence (every 5 days vs every 3 weeks) and ratings volume (162 vs 5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

PeptideBros holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Smart Peptide Tracker has 162 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 86% of Smart Peptide Tracker's written reviews are positive against 100% of PeptideBros's.

Smart Peptide Tracker ships an update every 5 days, PeptideBros every 3 weeks. The most recent releases landed on October 20, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Smart Peptide Tracker | PeptideBros |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (162 ratings)](https://appshunter.io/ios/app/smart-peptide-tracker/id6758162412/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/peptidebros/id6762238490/reviews)** |
| Number of ratings | **162** | 5 |
| Positive reviews | 86.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | Freemium | Freemium |
| Size | 114 MB | 44 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Sean Hussain](https://appshunter.io/developer/1871263008) | [Adam Farrar](https://appshunter.io/developer/1832870508) |

## 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 (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 |


### PeptideBros

[App page](https://appshunter.io/ios/app/peptidebros/id6762238490)

This app helps researchers meticulously track peptide injection protocols, log doses, and monitor progress. It offers features like custom protocol creation, automated injection site rotation, and streak tracking for motivation. An integrated encyclopedia provides factual information on common research peptides.

**Highlights:** Custom peptide protocol creation, Automated injection site rotation, Dose logging with site and feeling score, Streak tracking for motivation, Adherence rate and pattern analytics, Research peptide encyclopedia, Journaling and notes

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lab Notebook Monthly | $4.99 | per month |
| Lab Notebook (Annual) | $39.99 | per year |


## Frequently asked questions

### Is Smart Peptide Tracker free?

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

### Is PeptideBros free?

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

### Which has better reviews, Smart Peptide Tracker or PeptideBros?

PeptideBros is rated higher. Smart Peptide Tracker averages 4.7 out of 5 from 162 ratings, while PeptideBros averages 5.0 from 5 ratings.

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

Neither Smart Peptide Tracker nor PeptideBros shows ads.

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

Smart Peptide Tracker ships an update every 5 days, and PeptideBros every 3 weeks. Most recently, Smart Peptide Tracker was updated on October 20, 2026 and PeptideBros on October 2, 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.*