# Symptom Trigger Tracker 3 vs Volo

The clearest difference is price: Volo at Free against Symptom Trigger Tracker 3's $3.99. Symptom Trigger Tracker 3's advantage is in-app purchases (none vs 2) and iOS requirement (11.0 vs 16). On ads and device support there is nothing between them.

Volo is free to download; Symptom Trigger Tracker 3 costs $3.99 up front. Volo sells 2 in-app purchases, starting at $9.99 per month. Symptom Trigger Tracker 3 asks for nothing beyond the download.

## The numbers

| Metric | Symptom Trigger Tracker 3 | Volo |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/volo-intelligent-healing/id6741597272/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 10 days |
| Monetization | — | Freemium |
| Size | 11 MB | 257 MB |
| Requires iOS | **11.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [cellHigh](https://appshunter.io/developer/380874052) | [Volo app](https://appshunter.io/developer/1780514056) |

## What reviewers say

### Symptom Trigger Tracker 3

[App page](https://appshunter.io/ios/app/symptom-trigger-tracker-3/id6463772369)

**Features:** macOS Compatibility

**In-app purchases:** none


### Volo

[App page](https://appshunter.io/ios/app/volo-intelligent-healing/id6741597272)

This AI-powered companion offers personalized mental wellness support, drawing from proven therapeutic approaches. It provides 24/7 guidance, sleep stories, mindfulness exercises, and progress tracking to help users manage anxiety, depression, and improve overall well-being.

**Highlights:** 24/7 AI-powered support, Personalized private sessions, Guided mindfulness exercises, Original and classic sleep stories, Progress tracker, Habit-building strategies

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $9.99 | per month |
| Annual Subscription | $79.99 | per year |


## Frequently asked questions

### Is Symptom Trigger Tracker 3 free?

Symptom Trigger Tracker 3 costs $3.99, with no in-app purchases.

### Is Volo free?

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

### Do Symptom Trigger Tracker 3 or Volo have ads?

Neither Symptom Trigger Tracker 3 nor Volo 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.*