# VitaminD vs Simple Caffeine Tracker

The clearest difference is in-app purchases: Simple Caffeine Tracker at none against VitaminD's 2. Simple Caffeine Tracker also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. VitaminD sells 2 in-app purchases, starting at $1.99 per 7 days. Simple Caffeine Tracker asks for nothing beyond the download.

VitaminD ships an update every 3 weeks, Simple Caffeine Tracker every 2 days. Both last shipped on November 5, 2026.

## The numbers

| Metric | VitaminD | Simple Caffeine Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Size | 45 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [BULENT TEKBAS](https://appshunter.io/developer/6780016696) | [LUCAS GUFFROY](https://appshunter.io/developer/1846832915) |

## What reviewers say

### VitaminD

[App page](https://appshunter.io/ios/app/vitamind-vitamin-tracker/id6758161303)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vitamind Weekly Subscription | $1.99 | per 7 days |
| Vitamind Yearly Subscription | $9.99 | per year |


### Simple Caffeine Tracker

[App page](https://appshunter.io/ios/app/simple-caffeine-tracker/id6758615552)

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

**In-app purchases:** none


## Frequently asked questions

### Is VitaminD free?

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

### Is Simple Caffeine Tracker free?

Simple Caffeine Tracker is free to download, with no in-app purchases.

### Do VitaminD or Simple Caffeine Tracker have ads?

Neither VitaminD nor Simple Caffeine Tracker shows ads.

### Which is updated more often, VitaminD or Simple Caffeine Tracker?

VitaminD ships an update every 3 weeks, and Simple Caffeine Tracker every 2 days. Most recently, VitaminD was updated on November 5, 2026 and Simple Caffeine Tracker on November 5, 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.*