# SickPredict™ vs Chronic Friends

The clearest difference is ads: Chronic Friends at none against SickPredict™'s shown. Chronic Friends also leads on update cadence (every 8 days vs every 2 months). SickPredict™'s advantage is iOS requirement (13.0 vs 15.1). On price, in-app purchases and device support there is nothing between them.

Both are free to download. SickPredict™ sells 2 in-app purchases, starting at $3.99 per month and Chronic Friends sells 4 in-app purchases, starting at $19.99 per month. Whichever you choose, the download price is not the number that matters.

SickPredict™ ships an update every 2 months, Chronic Friends every 8 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SickPredict™ | Chronic Friends |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (32 ratings)](https://appshunter.io/ios/app/sickpredict/id1531998468/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 73.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Subscription | — |
| Size | 58 MB | 51 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Health Logic Global](https://appshunter.io/developer/1531998470) | [Gerard Mir Ferrera](https://appshunter.io/developer/6792334660) |

## What reviewers say

### SickPredict™

[App page](https://appshunter.io/ios/app/sickpredict/id1531998468)

This app leverages data from your Apple Watch to predict potential health changes up to 72 hours in advance. It calculates a personalized 'SickNumber™' and tracks your health metrics over time, providing alerts for risk level changes. It is intended for general wellbeing and informational purposes only.

**Highlights:** Predicts health changes up to 72 hours in advance, Calculates personalized SickNumber™, Tracks health changes over time, Provides periodic risk level alerts, Integrates with Apple Health data, Uses machine learning algorithms

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Access | $3.99 | per month |
| Basic Access | $28.99 | per year |


### Chronic Friends

[App page](https://appshunter.io/ios/app/chronic-friends-symptom-log/id6792334658)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $19.99 | per month |
| Premium 6 Months | $87.99 | per 6 months |
| Premium Yearly | $167.99 | per year |
| Premium Lifetime | $599.99 | one-time |


## Frequently asked questions

### Is SickPredict™ free?

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

### Is Chronic Friends free?

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

### Do SickPredict™ or Chronic Friends have ads?

SickPredict™ shows ads; Chronic Friends does not.

### Which is updated more often, SickPredict™ or Chronic Friends?

SickPredict™ ships an update every 2 months, and Chronic Friends every 8 days. Most recently, SickPredict™ was updated on October 24, 2026 and Chronic Friends on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*