# Sun and Moon Position vs Ring Sizer & Size Measure

The clearest difference is in-app purchases: Sun and Moon Position at none against Ring Sizer & Size Measure's 3. Sun and Moon Position also leads on iOS requirement (15.6 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Ring Sizer & Size Measure sells 3 in-app purchases, starting at $5.99 per 7 days. Sun and Moon Position asks for nothing beyond the download.

Sun and Moon Position ships an update every 3 months, Ring Sizer & Size Measure every 2 months. The most recent releases landed on October 24, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Sun and Moon Position | Ring Sizer & Size Measure |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (66 ratings)](https://appshunter.io/ios/app/sun-and-moon-position/id1353241024/reviews)** | — |
| Number of ratings | **66** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 8 MB | 20 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [shebli geegieh](https://appshunter.io/developer/1353241023) | [KELVIN SENANU WALLACE](https://appshunter.io/developer/1888050842) |

## What reviewers say

### Sun and Moon Position

[App page](https://appshunter.io/ios/app/sun-and-moon-position/id1353241024)

This utility app accurately calculates the position of the sun and moon, along with their rise and set times. It allows users to adjust calculations based on their elevation and time zone for precise results.

**Highlights:** Sun position calculation, Moon position calculation, Sun rise and set times, Moon rise and set times, Elevation adjustment, Time zone adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### Ring Sizer & Size Measure

[App page](https://appshunter.io/ios/app/ring-sizer-and-size-measure/id6771506522)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access for a week | $5.99 | per 7 days |
| All Access for a year | $29.99 | per year |
| All Access Forever | $31.99 | one-time |


## Frequently asked questions

### Is Sun and Moon Position free?

Sun and Moon Position is free to download, with no in-app purchases.

### Is Ring Sizer & Size Measure free?

Ring Sizer & Size Measure is free to download, with in-app purchases available.

### Do Sun and Moon Position or Ring Sizer & Size Measure have ads?

Neither Sun and Moon Position nor Ring Sizer & Size Measure shows ads.

### Which is updated more often, Sun and Moon Position or Ring Sizer & Size Measure?

Sun and Moon Position ships an update every 3 months, and Ring Sizer & Size Measure every 2 months. Most recently, Sun and Moon Position was updated on October 24, 2026 and Ring Sizer & Size Measure on October 28, 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.*