# SympLog Health Journal vs Longevity Protocol

The clearest difference is in-app purchases: SympLog Health Journal at none against Longevity Protocol's 3. SympLog Health Journal also leads on iOS requirement (15.6 vs 26.0). Longevity Protocol's advantage is update cadence (every 5 days vs fortnightly). On price, ads and device support there is nothing between them.

Both are free to download. Longevity Protocol sells 3 in-app purchases, starting at $4.99 per month. SympLog Health Journal asks for nothing beyond the download.

SympLog Health Journal ships an update fortnightly, Longevity Protocol every 5 days. The most recent releases landed on October 19, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | SympLog Health Journal | Longevity Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/symplog-health-journal/id6756180787/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free | — |
| Size | 69 MB | 15 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 12+ |
| Developer | [Marco Becker](https://appshunter.io/developer/1858902317) | [PragmaTec](https://appshunter.io/developer/1005092574) |

## What reviewers say

### SympLog Health Journal

[App page](https://appshunter.io/ios/app/symplog-health-journal/id6756180787)

A private health journal for tracking symptoms, vitals, sleep, and medications. It helps you discover patterns and correlations in your health data, all stored securely on your device.

**Highlights:** Symptom tracking with custom categories, Vitals and measurements logging, Medication management, Sleep and mood journaling, Cycle tracking, Lifestyle logging (nutrition, activities), Data visualization and pattern discovery, Optional Apple Health integration

**In-app purchases:** none


### Longevity Protocol

[App page](https://appshunter.io/ios/app/longevity-protocol/id6763599545)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Yearly Premium | $29.99 | per year |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is SympLog Health Journal free?

SympLog Health Journal is free to download, with no in-app purchases.

### Is Longevity Protocol free?

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

### Do SympLog Health Journal or Longevity Protocol have ads?

Neither SympLog Health Journal nor Longevity Protocol shows ads.

### Which is updated more often, SympLog Health Journal or Longevity Protocol?

SympLog Health Journal ships an update fortnightly, and Longevity Protocol every 5 days. Most recently, SympLog Health Journal was updated on October 19, 2026 and Longevity Protocol on October 22, 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.*