EclipseTimesCalc vs Lunvarg
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
EclipseTimesCalc
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This uses the algorithms developed over the past 150 years along with the best information available about the locations of sun, moon, and earth to predict when an eclipse will occur at a particular location on the earth. In addition the prediction parameters are updated for the latest predictions by IERS. This is useful to find where to go, where to look, and how the moon will move across the sun. It also provides the sunrise/set times for the location
Lunvarg
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Lunvarg is a professional Engineering-Grade Moon planning, observation, photography, and lunar engineering toolkit built for users who want to go far beyond a basic Moon phase app. Designed for Moon photographers, telescope users, advanced observers, educators, science-minded users, and lunar enthusiasts, Lunvarg brings together immersive 3D visualization, local visibility planning, advanced lunar geometry, observation scoring, telescope support, sky-brightness estimation, and engineering-style Moon analysis in one focused interface. Most Moon apps show you the phase. Lunvarg helps you understand what the Moon is doing, where it is, how it moves, how it affects your sky, how it fits your equipment, and when conditions are better for observation or photography. To LUNA and beyond. Lunvarg Premium unlocks the advanced lunar planning, photography, observation, and engineering suite. Premium is available as a yearly auto-renewable subscription. Purchase, renewal, restoration, and cancellation are managed through the App Store.
Screenshots
Verdict
The clearest difference is in-app purchases: EclipseTimesCalc at none against Lunvarg's 1. Lunvarg's advantage is update cadence (every 10 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Lunvarg sells 1 in-app purchase, starting at $1.99 per year. EclipseTimesCalc asks for nothing beyond the download.
EclipseTimesCalc ships an update every 4 months, Lunvarg every 10 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.
| Parameter | EclipseTimesCalc | Lunvarg |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 10 days β better |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 26.0 |
| Further details β not scored | ||
| Size | 5 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | robert hawley | Ali Yigit |
In-app purchases
EclipseTimesCalc
No in-app purchases
Lunvarg
- Lunvarg Premium$1.991 Year






