# Attvin vs Sun Path & Position Tracker

The clearest difference is price: Attvin at Free against Sun Path & Position Tracker's $1.99. Attvin also leads on iOS requirement (15.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

Attvin is free to download; Sun Path & Position Tracker costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Attvin ships an update fortnightly, Sun Path & Position Tracker every 2 weeks. The most recent releases landed on September 17, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Attvin | Sun Path & Position Tracker |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Size | 54 MB | 9 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VSP AS](https://appshunter.io/developer/1494717191) | [Netflowers Inc.](https://appshunter.io/developer/1672067319) |

## What reviewers say

### Attvin

[App page](https://appshunter.io/ios/app/attvin/id6478118449)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sun Path & Position Tracker

[App page](https://appshunter.io/ios/app/sun-path-and-position-tracker/id6808035488)

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

**In-app purchases:** none


## Frequently asked questions

### Is Attvin free?

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

### Is Sun Path & Position Tracker free?

Sun Path & Position Tracker costs $1.99, with no in-app purchases.

### Do Attvin or Sun Path & Position Tracker have ads?

Neither Attvin nor Sun Path & Position Tracker shows ads.

### Which is updated more often, Attvin or Sun Path & Position Tracker?

Attvin ships an update fortnightly, and Sun Path & Position Tracker every 2 weeks. Most recently, Attvin was updated on September 17, 2026 and Sun Path & Position Tracker on October 7, 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.*