# Spyglass vs SunCalc.net

The clearest difference is in-app purchases: SunCalc.net at none against Spyglass's 4. SunCalc.net also leads on ads (none vs shown) and review sentiment (88% vs 80%). Spyglass's advantage is ratings volume (3.9K vs 63) and chart position (#124 vs unranked). On price, rating, update cadence and device support there is nothing between them.

Both are free to download. Spyglass sells 4 in-app purchases, starting at $3.99 per month. SunCalc.net asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Spyglass against 4.8 for SunCalc.net. That said, the two scores are not equally well evidenced: Spyglass has 3.9K ratings behind it against 63, so its average is the more settled of the two. Written reviews are what separate them: 80% of Spyglass's written reviews are positive against 88% of SunCalc.net's.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Spyglass | SunCalc.net |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (3.9K ratings)](https://appshunter.io/ios/app/spyglass/id332639548/reviews) | **[4.8 (63 ratings)](https://appshunter.io/ios/app/suncalcnet/id761295311/reviews)** |
| Number of ratings | **3.9K** | 63 |
| Positive reviews | 80.2% of reviews | **88.2% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#124** | — |
| Size | 66 MB | 19 MB |
| Requires iOS | 13.4 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Ahafonau](https://appshunter.io/developer/319585607) | [Oleg Shanyuk](https://appshunter.io/developer/653045688) |

## What reviewers say

### Spyglass

[App page](https://appshunter.io/ios/app/spyglass/id332639548)

**Currently charting:** #124 Top Grossing · Navigation (US App Store)

This app is a comprehensive offline navigation tool for outdoor and off-road adventures. It combines a high-tech compass, GPS receiver, and augmented reality display with numerous tools for tracking, measuring, and celestial observation.

**Highlights:** Offline GPS and maps, Augmented reality display, Advanced compass and gyrocompass, Waypoint tracking and navigation, Sun, Moon, and star finder, Optical rangefinder, Camera with GPS data overlay

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spyglass Plus | $3.99 | per month |
| Spyglass Plus (Month) | $3.99 | per month |
| Spyglass Plus (Year) | $29.99 | per year |
| Spyglass Pro (Lifetime) | $39.99 | one-time |

**What reviewers like**

- 🗺️ Excellent navigation and mapping features
- 🔍 Highly accurate compass and location tracking
- 🔭 Useful augmented reality and sextant functions
- 📸 Ability to capture geotagged photos
- 🛠️ Comprehensive set of tools and utilities

**What reviewers complain about**

- 🔋 High battery consumption
- 🤔 Steep learning curve and complex interface
- 🗺️ Outdated or incomplete map data in some regions
- 🐛 Occasional bugs and crashes reported
- 💰 Subscription model for advanced features

**Reported bugs**

- Compass not always accurate or consistent
- Freezing or unresponsive issues after updates
- Difficulty syncing waypoints and locations

**Requested features**

- Improved waypoint and location management
- Larger text and UI elements for better readability
- Integration with popular mapping and navigation apps
- Offline elevation data and terrain analysis
- Apple Watch companion app for on-the-go use


### SunCalc.net

[App page](https://appshunter.io/ios/app/suncalcnet/id761295311)

This application provides real-time information about sunrise and sunset times. It also includes a compass, world time display, and weather forecasts, making it a comprehensive tool for understanding solar events and local conditions.

**Highlights:** Sunrise and sunset times, Integrated compass, World time display, Weather forecasts, Time zone awareness

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

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and practical
- 💡 Well-designed interface
- 🎯 Useful for planning outdoor activities
- 📸 Great for photographers
- 🌍 Accurate sun position for any location

**What reviewers complain about**

- 🐛 Sun angle disappears when changing date
- 🗺️ Google Maps not always current
- 🧭 Compass issues
- ⏳ Cannot change time, only date
- 📍 Location search limitations

**Reported bugs**

- Sun angle disappears when changing date
- Compass is not accurate
- App crashes on older iOS versions
- App crashes right after launch
- Crashes at start

**Requested features**

- Display altitude and azimuth of the sun
- Ability to set a specific time, not just current time
- Option for Apple Maps or Open Source Maps
- Compass feature for orientation
- Add moon information


## Frequently asked questions

### Is Spyglass free?

Spyglass is free to download, with in-app purchases available.

### Is SunCalc.net free?

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

### Which has better reviews, Spyglass or SunCalc.net?

SunCalc.net is rated higher. Spyglass averages 4.7 out of 5 from 3.9K ratings, while SunCalc.net averages 4.8 from 63 ratings.

### Do Spyglass or SunCalc.net have ads?

Spyglass shows ads; SunCalc.net does not.

### Which is updated more often, Spyglass or SunCalc.net?

Spyglass ships an update every 6 weeks, and SunCalc.net every 6 weeks. Most recently, Spyglass was updated on October 29, 2026 and SunCalc.net on October 26, 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.*