# TrackBack Symptom Tracker vs Tend

The clearest difference is in-app purchases: TrackBack Symptom Tracker at none against Tend's 3. TrackBack Symptom Tracker also leads on iOS requirement (15.1 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Tend sells 3 in-app purchases, starting at $9.99 per year. TrackBack Symptom Tracker asks for nothing beyond the download.

## The numbers

| Metric | TrackBack Symptom Tracker | Tend |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Weekly |
| Size | 44 MB | 82 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Geoffrey Jensen](https://appshunter.io/developer/1877156841) | [Dylan Lualdi](https://appshunter.io/developer/931436519) |

## What reviewers say

### TrackBack Symptom Tracker

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Tend

[App page](https://appshunter.io/ios/app/tend-symptom-and-mood-tracker/id6778921650)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Annual | $9.99 | per year |
| Pro Lifetime | $19.99 | one-time |
| Pro Lifetime Regular | $39.99 | one-time |


## Frequently asked questions

### Is TrackBack Symptom Tracker free?

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

### Is Tend free?

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

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

Neither TrackBack Symptom Tracker nor Tend 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.*