# VitaminD vs StrengthMaxxer

The clearest difference is device support: VitaminD at 2 against StrengthMaxxer's —. VitaminD also leads on iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. VitaminD sells 2 in-app purchases, starting at $1.99 per 7 days and StrengthMaxxer sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

VitaminD ships an update every 3 weeks, StrengthMaxxer fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | VitaminD | StrengthMaxxer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/strengthmaxxer-track-workouts/id6758560534/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | — |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Freemium |
| Size | 45 MB | 22 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | — |
| Age rating | 17+ | 4+ |
| Developer | [BULENT TEKBAS](https://appshunter.io/developer/6780016696) | [Keon Armin](https://appshunter.io/developer/1868295392) |

## 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 |


### StrengthMaxxer

[App page](https://appshunter.io/ios/app/strengthmaxxer-track-workouts/id6758560534)

This app helps serious lifters track workouts, plan progressive overload, and monitor muscle fatigue. It provides personalized weight and rep recommendations based on your training history and offers strength standards to gauge your progress. Features include Apple Watch integration and home screen widgets for at-a-glance data.

**Highlights:** Workout logging (sets, reps, RPE, PRs), Progressive overload planning, Strength standards and scoring, Muscle fatigue monitoring, Apple Watch companion app, Home screen widgets, 100% private data storage

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Monthly Premium | $7.99 | per month |
| Annual Premium | $59.99 | per year |


## Frequently asked questions

### Is VitaminD free?

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

### Is StrengthMaxxer free?

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

### Which is updated more often, VitaminD or StrengthMaxxer?

VitaminD ships an update every 3 weeks, and StrengthMaxxer fortnightly. Most recently, VitaminD was updated on November 5, 2026 and StrengthMaxxer on October 31, 2026.

---

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