Comparison

Sun and Moon Position vs Ring Sizer & Size Measure

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Sun and Moon Position

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
Read full description

Sun Position — Solar & Lunar Tracker Know exactly where the Sun and Moon are — anytime, anywhere. Sun Position delivers precise solar and lunar calculations with accuracy within 0.3%, giving you reliable data whether you're a photographer chasing golden hour, an architect studying solar angles, or simply curious about the sky above you. What You Get Sun & Moon Position — Real-time azimuth, zenith, elevation, declination, apparent radius, and distance Rise & Set Times — Accurate sunrise, sunset, moonrise, and moonset times for your location Solar Noon — Know the exact moment the sun peaks in the sky Bird Clear-Sky Irradiance — Model solar irradiance (GHI, DNI, DHI) for clear-sky conditions AR Sky View — Point your camera at the sky and see the Sun, Moon, and seasonal solar paths overlaid in augmented reality Charts — Visualize solar and lunar data across the day Built for Accuracy Adjust calculations for your exact elevation, atmospheric conditions (ozone, water vapor, aerosol), and time zone. Use Auto GPS for instant results, or enter any location manually to calculate for anywhere on Earth. Who It's For Photographers, filmmakers, architects, solar engineers, astronomers, hikers, and anyone who wants to understand the sky with precision.

About

Ring Sizer & Size Measure

Features
Read full description

Ring Sizer & Fit Finder helps you measure your ring size instantly using your iPhone. Whether you’re buying jewellery online or checking your current size, this app provides a fast and precise way to get the right fit. Ways to Measure: ● Measure any ring you already own ● Measure your finger using guided instructions Both methods are designed for accuracy and ease. Precision You Can Trust: The app uses high-resolution calibration and clear step-by-step tools to ensure reliable ring size results across major international sizing standards. Features: ● Ring size measurement using the camera or screen ● Finger measurement with visual guides ● US, UK, EU, ISO, and Japanese ring size charts ● Save and compare sizes for multiple fingers ● Tips for improving accuracy ● Clean, simple interface designed for quick use Designed for Everyday Use: Perfect for shoppers, jewellers, or anyone unsure about their ring size. Get precise results without visiting a store or using plastic sizers. Why Users Prefer This App: ● More accurate than printed sizing charts ● Faster and easier than manual tools ● Helps avoid returns and incorrect jewellery orders Privacy & Safety: No personal images or data leave your device. All measurements are processed locally. Subscription Details: • Title: Savory All Access • Length: 1 year & Lifetime • Price: $29.99 per year, $5.99 per week (auto-renews) and $31.99 Lifetime. • Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ • Privacy Policy: https://docs.google.com/document/d/1IysoItFPBXxdxDkkTJ6FRT1Of8qXqAwwB0op5coC1nU/edit?usp=sharing

Screenshots

Ring Sizer & Size Measure4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard2 real differences · 8 level
Sun and Moon Position versus Ring Sizer & Size Measure: the parameters behind the verdict, then further details
ParameterSun and Moon PositionRing Sizer & Size Measure
PriceFreeFree
Rating4.3 (66 ratings) — better—
Positive reviews40.0% of reviews—
Number of ratings66 — better—
Update frequencyEvery 3 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better17.6
Further details — not scored
Size8 MB20 MB
Age rating4+4+
Developershebli geegiehKELVIN SENANU WALLACE

In-app purchases

None

Sun and Moon Position

No in-app purchases

3 purchases

Ring Sizer & Size Measure

Subscriptions2
  • All Access for a week$5.997 Days
  • All Access for a year$29.991 Year
One-time1
  • All Access Forever$31.99

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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