# Motion Counter vs Vitamin D Sun Tracker

The clearest difference is price: Vitamin D Sun Tracker at Free against Motion Counter's $1.99. Vitamin D Sun Tracker also leads on update cadence (weekly vs every 5 months) and ratings volume (30 vs 1). Motion Counter's advantage is in-app purchases (none vs 4) and rating (5.0 vs 4.8). On review sentiment, ads, device support and iOS requirement there is nothing between them.

Vitamin D Sun Tracker is free to download; Motion Counter costs $1.99 up front. Vitamin D Sun Tracker sells 4 in-app purchases, starting at $4.99 per month. Motion Counter asks for nothing beyond the download.

Motion Counter holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Vitamin D Sun Tracker has 30 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Motion Counter ships an update every 5 months, Vitamin D Sun Tracker weekly. The most recent releases landed on November 2, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Motion Counter | Vitamin D Sun Tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/motion-counter-activity-map/id1261247130/reviews)** | [4.8 (30 ratings)](https://appshunter.io/ios/app/vitamin-d-sun-tracker-bask/id6758405235/reviews) |
| Number of ratings | 1 | **30** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Weekly** |
| Monetization | Paid | **Freemium** |
| Size | 4 MB | 42 MB |
| Requires iOS | 17.6 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 17+ |
| Developer | [AGD Studio LLC](https://appshunter.io/developer/1838817161) | [Greycloud LLC](https://appshunter.io/developer/1767904895) |

## What reviewers say

### Motion Counter

[App page](https://appshunter.io/ios/app/motion-counter-activity-map/id1261247130)

Track your daily movement, including steps, walking, and running, with real-time progress visualization. Set personal goals and receive smart notifications to stay motivated. Routes are mapped with color-coded overlays for easy understanding.

**Highlights:** Daily movement tracking (steps, walk, run, commute), 7-day history view, Route visualization on map, Color-coded route overlays, Personal goal setting, Smart notifications

**In-app purchases:** none


### Vitamin D Sun Tracker

[App page](https://appshunter.io/ios/app/vitamin-d-sun-tracker-bask/id6758405235)

This app estimates your Vitamin D intake from sun exposure and supplements. It provides real-time UV index, weather, and personalized guidance on optimal sun times and duration to prevent sunburn. Track your progress with historical data and insights.

**Highlights:** Real-time Vitamin D estimates, Live UV Index and weather integration, Personalized sun timer with sunburn guidance, 48-hour UV forecast for optimal exposure, Supplement and cofactor tracking, Historical data and trend analysis, Optional Apple Health integration

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $24.99 | per year |
| Yearly | $29.99 | per year |
| Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Motion Counter free?

Motion Counter costs $1.99, with no in-app purchases.

### Is Vitamin D Sun Tracker free?

Vitamin D Sun Tracker is free to download, with in-app purchases available.

### Which has better reviews, Motion Counter or Vitamin D Sun Tracker?

Motion Counter is rated higher. Motion Counter averages 5.0 out of 5 from 1 ratings, while Vitamin D Sun Tracker averages 4.8 from 30 ratings.

### Do Motion Counter or Vitamin D Sun Tracker have ads?

Neither Motion Counter nor Vitamin D Sun Tracker shows ads.

### Which is updated more often, Motion Counter or Vitamin D Sun Tracker?

Motion Counter ships an update every 5 months, and Vitamin D Sun Tracker weekly. Most recently, Motion Counter was updated on November 2, 2026 and Vitamin D Sun Tracker on November 9, 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.*