# Symptom Tracker vs Ouch Log

The clearest difference is update cadence: Ouch Log at every 4 days against Symptom Tracker's every 2 months. Ouch Log also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Symptom Tracker sells 3 in-app purchases, starting at $3.99 per 7 days and Ouch Log sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Symptom Tracker ships an update every 2 months, Ouch Log every 4 days. The most recent releases landed on November 5, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Symptom Tracker | Ouch Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Size | 1 MB | 13 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 12+ |
| Developer | [App Harbour ApS](https://appshunter.io/developer/1858231299) | [Ho Van Dai](https://appshunter.io/developer/1572981836) |

## What reviewers say

### Symptom Tracker

[App page](https://appshunter.io/ios/app/symptom-tracker-flare-diary/id6780809149)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Annual Premium | $19.99 | per year |
| Lifetime Unlock | $24.99 | one-time |


### Ouch Log

[App page](https://appshunter.io/ios/app/ouch-log-pain-tracker-and-diary/id6792059742)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OuchLog Premium Monthly | $0.99 | per month |
| OuchLog Premium Yearly | $9.99 | per year |
| OuchLog Premium Lifetime | $34.99 | one-time |


## Frequently asked questions

### Is Symptom Tracker free?

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

### Is Ouch Log free?

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

### Do Symptom Tracker or Ouch Log have ads?

Neither Symptom Tracker nor Ouch Log shows ads.

### Which is updated more often, Symptom Tracker or Ouch Log?

Symptom Tracker ships an update every 2 months, and Ouch Log every 4 days. Most recently, Symptom Tracker was updated on November 5, 2026 and Ouch Log on November 7, 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.*