# Peptide Tracker vs ShotLog

Peptide Tracker and ShotLog 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 Tracker sells 2 in-app purchases, starting at $9.99 per month and ShotLog sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 10 days. Both last shipped on November 13, 2026.

## The numbers

| Metric | Peptide Tracker | ShotLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | Every 10 days |
| Size | 41 MB | 4 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Codanix LLC](https://appshunter.io/developer/6789431340) | [Stanislav Duplinskiy](https://appshunter.io/developer/1529735040) |

## What reviewers say

### Peptide Tracker

[App page](https://appshunter.io/ios/app/peptide-tracker-pepai/id6789430828)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly: Full Library | $9.99 | per month |
| Premium: Protocols & Insights | $49.99 | per year |


### ShotLog

[App page](https://appshunter.io/ios/app/shotlog-injection-tracker/id6816448401)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ShotLog Pro — 1 Week | $1.99 | per 7 days |
| ShotLog Pro — 3 Months | $16.99 | per 3 months |
| ShotLog Pro — 1 Year | $44.99 | per year |


## Frequently asked questions

### Is Peptide Tracker free?

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

### Is ShotLog free?

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

### Do Peptide Tracker or ShotLog have ads?

Neither Peptide Tracker nor ShotLog shows ads.

### Which is updated more often, Peptide Tracker or ShotLog?

Peptide Tracker ships an update every 10 days, and ShotLog every 10 days. Most recently, Peptide Tracker was updated on November 13, 2026 and ShotLog on November 13, 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.*