# SickPredict™ vs Energy Level

The clearest difference is monetization model: Energy Level at free with in-app purchases against SickPredict™'s subscription. Energy Level also leads on ads (none vs shown) and update cadence (every 11 days vs every 2 months). SickPredict™'s advantage is review sentiment (73% vs 59%) and iOS requirement (13.0 vs 17.6). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. SickPredict™ sells 2 in-app purchases, starting at $3.99 per month and Energy Level sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.1 for SickPredict™ against 4.2 for Energy Level. Both are backed by a comparable volume of ratings — 30 and 49 respectively. Written reviews are what separate them: 73% of SickPredict™'s written reviews are positive against 59% of Energy Level's.

SickPredict™ ships an update every 2 months, Energy Level every 11 days. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SickPredict™ | Energy Level |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (30 ratings)](https://appshunter.io/ios/app/sickpredict/id1531998468/reviews) | **[4.2 (49 ratings)](https://appshunter.io/ios/app/energy-level/id1671695057/reviews)** |
| Number of ratings | 30 | **49** |
| Positive reviews | **73.1% of reviews** | 58.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 58 MB | 89 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Health Logic Global](https://appshunter.io/developer/1531998470) | [Daniel Kanaan](https://appshunter.io/developer/972713794) |

## 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 |


### Energy Level

[App page](https://appshunter.io/ios/app/energy-level/id1671695057)

This app analyzes your health data to track your energy levels and optimize performance. It provides insights into your cardiac index and heart rate variability, offering a simple energy score to help you manage your well-being and fitness goals.

**Highlights:** Track energy levels, Optimize performance, Analyze cardiac index, Monitor heart rate variability, Real-time energy score, Workout analytics, Watch Complications and Widgets

**Features:** Apple Watch app

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |
| Annual Subscription | $34.99 | per year |


## Frequently asked questions

### Is SickPredict™ free?

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

### Is Energy Level free?

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

### Which has better reviews, SickPredict™ or Energy Level?

Energy Level is rated higher. SickPredict™ averages 4.1 out of 5 from 30 ratings, while Energy Level averages 4.2 from 49 ratings.

### Do SickPredict™ or Energy Level have ads?

SickPredict™ shows ads; Energy Level does not.

### Which is updated more often, SickPredict™ or Energy Level?

SickPredict™ ships an update every 2 months, and Energy Level every 11 days. Most recently, SickPredict™ was updated on October 6, 2026 and Energy Level on October 13, 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.*