# TrackBack Symptom Tracker vs Zebra Symptom Tracker

The clearest difference is in-app purchases: TrackBack Symptom Tracker at none against Zebra Symptom Tracker's 3. TrackBack Symptom Tracker also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Zebra Symptom Tracker sells 3 in-app purchases, starting at $4.99 per month. TrackBack Symptom Tracker asks for nothing beyond the download.

## The numbers

| Metric | TrackBack Symptom Tracker | Zebra Symptom Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 44 MB | 13 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Geoffrey Jensen](https://appshunter.io/developer/1877156841) | [Roman Bun](https://appshunter.io/developer/1891532197) |

## What reviewers say

### TrackBack Symptom Tracker

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Zebra Symptom Tracker

[App page](https://appshunter.io/ios/app/zebra-symptom-tracker/id6768839130)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zebra Premium — Monthly | $4.99 | per month |
| Zebra Premium — Annual | $39.99 | per year |
| Zebra Premium Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is TrackBack Symptom Tracker free?

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

### Is Zebra Symptom Tracker free?

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

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

Neither TrackBack Symptom Tracker nor Zebra Symptom Tracker 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.*