# Spiromagic vs TrackToKnow

The clearest difference is in-app purchases: Spiromagic at none against TrackToKnow's 3. Spiromagic also leads on iOS requirement (10.3 vs 17.0). TrackToKnow's advantage is update cadence (every 2 weeks vs every 2 months). On price, ads and device support there is nothing between them.

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

Spiromagic ships an update every 2 months, TrackToKnow every 2 weeks. The most recent releases landed on October 26, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Spiromagic | TrackToKnow |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 168 MB | 18 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Spiromagic Aps](https://appshunter.io/developer/932783701) | [Richard Hrban](https://appshunter.io/developer/6785284044) |

## What reviewers say

### Spiromagic

[App page](https://appshunter.io/ios/app/spiromagic/id932783702)

**Features:** macOS Compatibility

**In-app purchases:** none


### TrackToKnow

[App page](https://appshunter.io/ios/app/tracktoknow-symptom-tracker/id6788410479)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TrackToKnow Pro Monthly | $4.99 | per month |
| TrackToKnow Pro Yearly | $29.99 | per year |
| TrackToKnow Pro Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is Spiromagic free?

Spiromagic is free to download, with no in-app purchases.

### Is TrackToKnow free?

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

### Do Spiromagic or TrackToKnow have ads?

Neither Spiromagic nor TrackToKnow shows ads.

### Which is updated more often, Spiromagic or TrackToKnow?

Spiromagic ships an update every 2 months, and TrackToKnow every 2 weeks. Most recently, Spiromagic was updated on October 26, 2026 and TrackToKnow on October 23, 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.*