# Scientific Coaching vs PepLedger

The clearest difference is ratings volume: Scientific Coaching at 6 against PepLedger's 2. Scientific Coaching also leads on iOS requirement (15.1 vs 18.0). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. Scientific Coaching sells 4 in-app purchases, starting at $9.99 per month and PepLedger sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Scientific Coaching against 5.0 for PepLedger. Both are backed by a comparable volume of ratings — 6 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Scientific Coaching ships an update every 6 days, PepLedger weekly. The most recent releases landed on October 6, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Scientific Coaching | PepLedger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (6 ratings)](https://appshunter.io/ios/app/scientific-coaching-sci-co/id6762946102/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/pepledger-peptide-tracker/id6788460095/reviews) |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Freemium | Freemium |
| Size | 73 MB | 23 MB |
| Requires iOS | **15.1** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [GOAT STEW LLC](https://appshunter.io/developer/1854036252) | [PANAGIOTIS YIAKOUMIS](https://appshunter.io/developer/6788460097) |

## What reviewers say

### Scientific Coaching

[App page](https://appshunter.io/ios/app/scientific-coaching-sci-co/id6762946102)

This platform connects athletes with independent coaches for strength training. It offers tools for both to manage programming, track progress, and build training businesses. Athletes can find coaches by specialty and follow structured workouts, while coaches can create templates, schedule sessions, and monetize their expertise.

**Highlights:** Coach discovery by specialty and location, Structured workout programming and logging, Max lift tracking, Template library for workout creation, Group scheduling and management, Monetize coaching services

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sci Co Athlete Pro Monthly | $9.99 | per month |
| Sci Co Coach Pro Monthly | $14.99 | per month |
| Sci co Athlete Pro Annual | $79.99 | per year |
| Sci Co Coach Pro Annual | $99.99 | per year |


### PepLedger

[App page](https://appshunter.io/ios/app/pepledger-peptide-tracker/id6788460095)

Track peptide doses, plan cycles, and monitor bloodwork with detailed logs and alerts. Features include a reconstitution calculator, inventory management, and an AI coach for research-backed insights. Integrates with Apple Health and offers customizable themes and smart reminders.

**Highlights:** Dose and cycle logging, Bloodwork and biomarker tracking, Reconstitution calculator, Inventory tracking with expiration alerts, AI Coach with cited sources, Apple Health integration, Smart dose reminders

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepLedger Pro | $6.99 | per month |
| PepLedger Pro | $49.99 | per year |


## Frequently asked questions

### Is Scientific Coaching free?

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

### Is PepLedger free?

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

### Which has better reviews, Scientific Coaching or PepLedger?

Scientific Coaching and PepLedger are both rated 5.0 out of 5 on the App Store, from 6 and 2 ratings respectively.

### Do Scientific Coaching or PepLedger have ads?

Neither Scientific Coaching nor PepLedger shows ads.

### Which is updated more often, Scientific Coaching or PepLedger?

Scientific Coaching ships an update every 6 days, and PepLedger weekly. Most recently, Scientific Coaching was updated on October 6, 2026 and PepLedger on October 18, 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.*