# CBJ vs Peptly

The clearest difference is device support: Peptly at 2 against CBJ's —. CBJ's advantage is iOS requirement (15.0 vs 17.6). On price and in-app purchases there is nothing between them.

Both are free to download. CBJ sells 1 in-app purchase, starting at $78.00 per month and Peptly sells 10 in-app purchases, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | CBJ | Peptly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (34 ratings)](https://appshunter.io/ios/app/peptly-peptide-log-and-tracker/id6764067504/reviews)** |
| Number of ratings | — | **34** |
| In-app purchases | Yes | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Monetization | — | Freemium |
| Size | 46 MB | 29 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 12+ |
| Developer | [Joanna Hodge](https://appshunter.io/developer/1692005438) | [Baris Bingor](https://appshunter.io/developer/1634613310) |

## What reviewers say

### CBJ

[App page](https://appshunter.io/ios/app/cbj/id6450136287)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CBJ Extra | $78.00 | per month |


### Peptly

[App page](https://appshunter.io/ios/app/peptly-peptide-log-and-tracker/id6764067504)

This app simplifies peptide reconstitution and dosing for researchers and biohackers. It provides instant calculations, visual syringe guides, and a dose log, all processed on-device for privacy. Unlock advanced features like reminders and export options with a subscription.

**Highlights:** Instant reconstitution math, Visual syringe guide, Pre-loaded peptide profiles, On-device dose log, Smart dose reminders, Save and reload protocols, CSV export

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptly Pro Weekly | $0.99 | per 7 days |
| Peptly Pro Weekly | $1.99 | per 7 days |
| Peptly Pro Weekly | $2.99 | per 7 days |
| Peptly Pro Weekly | $4.99 | per 7 days |
| Peptly Pro Yearly | $19.99 | per year |
| Peptly Pro Yearly | $29.99 | per year |
| Peptly Pro Yearly | $49.99 | per year |
| Peptly Pro Lifetime | $29.99 | one-time |
| Peptly Pro Lifetime | $49.99 | one-time |
| Peptly Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is CBJ free?

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

### Is Peptly free?

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

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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.*