# PepMath vs CuffBook

The clearest difference is update cadence: CuffBook at every 4 days against PepMath's every 2 weeks. CuffBook also leads on iOS requirement (17.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PepMath sells 2 in-app purchases, starting at $4.99 per month and CuffBook sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

PepMath ships an update every 2 weeks, CuffBook every 4 days. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PepMath | CuffBook |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Size | 8 MB | 4 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [FastCart LLC](https://appshunter.io/developer/6803015413) | [Jhomar Maravillas](https://appshunter.io/developer/6783703541) |

## What reviewers say

### PepMath

[App page](https://appshunter.io/ios/app/pepmath-peptide-tracker/id6807060525)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepMath Pro Monthly | $4.99 | per month |
| PepMath Pro Yearly | $29.99 | per year |


### CuffBook

[App page](https://appshunter.io/ios/app/cuffbook-bp-log/id6813077753)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro Annual | $29.99 | per year |
| Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is PepMath free?

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

### Is CuffBook free?

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

### Do PepMath or CuffBook have ads?

Neither PepMath nor CuffBook shows ads.

### Which is updated more often, PepMath or CuffBook?

PepMath ships an update every 2 weeks, and CuffBook every 4 days. Most recently, PepMath was updated on November 6, 2026 and CuffBook on October 31, 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.*