# TrackBack Symptom Tracker vs Aurnia

The clearest difference is in-app purchases: TrackBack Symptom Tracker at none against Aurnia's 2. TrackBack Symptom Tracker also leads on iOS requirement (15.1 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Aurnia sells 2 in-app purchases, starting at $6.99 per month. TrackBack Symptom Tracker asks for nothing beyond the download.

## The numbers

| Metric | TrackBack Symptom Tracker | Aurnia |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 44 MB | 20 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Geoffrey Jensen](https://appshunter.io/developer/1877156841) | [JIYULMOM](https://appshunter.io/developer/379186743) |

## What reviewers say

### TrackBack Symptom Tracker

[App page](https://appshunter.io/ios/app/trackback-symptom-tracker/id6759174933)

**Features:** macOS Compatibility

**In-app purchases:** none


### Aurnia

[App page](https://appshunter.io/ios/app/aurnia-sleep-tracker/id6764247734)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aurnia Pro Monthly | $6.99 | per month |
| Aurnia Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is TrackBack Symptom Tracker free?

TrackBack Symptom Tracker is free to download, with no in-app purchases.

### Is Aurnia free?

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

### Do TrackBack Symptom Tracker or Aurnia have ads?

Neither TrackBack Symptom Tracker nor Aurnia shows ads.

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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.*