# Drill Collar vs Lunar Eclipse Guide

The clearest difference is in-app purchases: Drill Collar at none against Lunar Eclipse Guide's 1. Drill Collar also leads on ads (none vs shown) and price ($0.99 vs $1.99). Lunar Eclipse Guide's advantage is update cadence (every 3 months vs every 36 months) and device support (3 vs 1). On iOS requirement there is nothing between them.

Drill Collar costs $0.99 and Lunar Eclipse Guide $1.99 up front. Lunar Eclipse Guide sells 1 one-off in-app purchase. Drill Collar asks for nothing beyond the download.

Drill Collar ships an update every 36 months, Lunar Eclipse Guide every 3 months. The most recent releases landed on October 8, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Drill Collar | Lunar Eclipse Guide |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | — | **[4.6 (785 ratings)](https://appshunter.io/ios/app/lunar-eclipse-guide-aug-2728/id1445813795/reviews)** |
| Number of ratings | — | **785** |
| Positive reviews | — | 42.1% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 36 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 1 MB | 239 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [zhandos uakanov](https://appshunter.io/developer/625286817) | [Vito Technology Inc.](https://appshunter.io/developer/289641503) |

## What reviewers say

### Drill Collar

[App page](https://appshunter.io/ios/app/drill-collar/id1292363783)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lunar Eclipse Guide

[App page](https://appshunter.io/ios/app/lunar-eclipse-guide-aug-2728/id1445813795)

Plan and experience solar and lunar eclipses with detailed information, simulations, and observation tools. Discover past and future events, view visibility maps, and receive timely notifications.

**Highlights:** Eclipse calendar, Observing from any location, Eclipse simulation, World map with eclipse path, Visibility gradation map, Best observation places, Notifications

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Eclipse Calendar | $0.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fantastic app
- 🔍 Excellent simulation
- 💡 Great for planning eclipses
- 🌟 Superb app

**What reviewers complain about**

- 🐛 Buggy and unreliable
- 💰 Hidden charges
- 🔔 Excessive notifications
- 🗺️ Poor map quality
- 🤖 Useless for planning

**Reported bugs**

- Incorrect eclipse visibility information
- Simulation stops at GMT midnight
- Localisation issues
- Crashes during use

**Requested features**

- Add more future eclipses
- Allow custom location saving
- Implement landscape mode
- Expand date range for historical eclipses
- Add ability to scrub timeline


## Frequently asked questions

### Is Drill Collar free?

Drill Collar costs $0.99, with no in-app purchases.

### Is Lunar Eclipse Guide free?

Lunar Eclipse Guide costs $1.99, and also offers in-app purchases.

### Do Drill Collar or Lunar Eclipse Guide have ads?

Lunar Eclipse Guide shows ads; Drill Collar does not.

### Which is updated more often, Drill Collar or Lunar Eclipse Guide?

Drill Collar ships an update every 36 months, and Lunar Eclipse Guide every 3 months. Most recently, Drill Collar was updated on October 8, 2026 and Lunar Eclipse Guide on October 22, 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.*