# Cafactor vs Medgraph

The clearest difference is in-app purchases: Medgraph at none against Cafactor's 1. Medgraph also leads on iOS requirement (13.0 vs 17.6). Cafactor's advantage is update cadence (weekly vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Cafactor sells 1 one-off in-app purchase. Medgraph asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Cafactor against 5.0 for Medgraph. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Cafactor ships an update weekly, Medgraph every 2 months. The most recent releases landed on September 25, 2026 and June 27, 2026 respectively.

## The numbers

| Metric | Cafactor | Medgraph |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cafactor/id6757445668/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/medgraph/id6761207800/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Freemium | **Free** |
| Size | 9 MB | 47 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nan Yu](https://appshunter.io/developer/1559044036) | [dilbagh chahal](https://appshunter.io/developer/1888263048) |

## What reviewers say

### Cafactor

[App page](https://appshunter.io/ios/app/cafactor/id6757445668)

This app models your body's real-time caffeine levels using a scientific pharmacokinetic approach. It helps you understand your caffeine absorption, decay, and personal sleep thresholds, adapting to your unique biology and activity. Connect with health data for an even smarter metabolic coaching experience.

**Highlights:** Real-time caffeine curve modeling, Personalized physiological parameters, HealthKit integration for adaptive coaching, Exercise and sleep-adaptive thresholds, HRV & Recovery integration, Progressive calibration of half-life, Offline, private tracking

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cafactor Pro | $3.99 | one-time |


### Medgraph

[App page](https://appshunter.io/ios/app/medgraph/id6761207800)

Track your medications and understand their impact on your mental and physical health. Log daily mood, monitor medication start/stop times, and generate reports with mood correlations and predictive alerts. Export data to share with your doctor.

**Highlights:** Log daily mood, Track medication start/stop, Generate pharmacology reports, Mood correlation analysis, Predictive alerts, Export reports

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Cafactor free?

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

### Is Medgraph free?

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

### Which has better reviews, Cafactor or Medgraph?

Cafactor and Medgraph are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do Cafactor or Medgraph have ads?

Neither Cafactor nor Medgraph shows ads.

### Which is updated more often, Cafactor or Medgraph?

Cafactor ships an update weekly, and Medgraph every 2 months. Most recently, Cafactor was updated on September 25, 2026 and Medgraph on June 27, 2026.

---

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