# Peptide Ledger vs Stack

Peptide Ledger and Stack are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Peptide Ledger sells 1 one-off in-app purchase and Stack sells 2 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Peptide Ledger ships an update weekly, Stack every 8 days. The most recent releases landed on September 19, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Peptide Ledger | Stack |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 8 days |
| Size | 15 MB | 136 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 17+ |
| Developer | [Kris Emsoff](https://appshunter.io/developer/1896630231) | [Amari Thomas](https://appshunter.io/developer/1868315587) |

## What reviewers say

### Peptide Ledger

[App page](https://appshunter.io/ios/app/peptide-ledger-glp-1-tracker/id6769101016)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptide Ledger Pro | $2.99 | one-time |


### Stack

[App page](https://appshunter.io/ios/app/stack-peptide-tracker/id6773488687)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Stack Weekly | $9.99 | per 7 days |
| Stack Yearly | $49.99 | per year |


## Frequently asked questions

### Is Peptide Ledger free?

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

### Is Stack free?

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

### Do Peptide Ledger or Stack have ads?

Neither Peptide Ledger nor Stack shows ads.

### Which is updated more often, Peptide Ledger or Stack?

Peptide Ledger ships an update weekly, and Stack every 8 days. Most recently, Peptide Ledger was updated on September 19, 2026 and Stack on September 14, 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.*