# Sky Guide vs Hydrant

The clearest difference is review sentiment: Sky Guide at 86% against Hydrant's 0%. Sky Guide also leads on rating (4.8 vs 2.0) and ratings volume (379K vs 1). Hydrant's advantage is in-app purchases (none vs 6) and iOS requirement (11.0 vs 18.0). On price there is nothing between them.

Both are free to download. Sky Guide sells 6 in-app purchases, starting at $4.99 per month. Hydrant asks for nothing beyond the download.

Sky Guide holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: Sky Guide has 379K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 86% of Sky Guide's written reviews are positive against 0% of Hydrant's.

## The numbers

| Metric | Sky Guide | Hydrant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (379K ratings)](https://appshunter.io/ios/app/sky-guide/id576588894/reviews)** | [2.0 (1 ratings)](https://appshunter.io/ios/app/hydrant/id1452190920/reviews) |
| Number of ratings | **379K** | 1 |
| Positive reviews | **86.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | — |
| Update frequency | Every 2 weeks | — |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#16** | — |
| Size | 380 MB | 12 MB |
| Requires iOS | 18.0 | **11.0** |
| Devices | **iPhone, iPad, Apple Watch, Vision Pro** | — |
| Age rating | 4+ | 4+ |
| Developer | [Fifth Star Labs LLC](https://appshunter.io/developer/451087546) | [Stephan Burlot](https://appshunter.io/developer/309009028) |

## What reviewers say

### Sky Guide

[App page](https://appshunter.io/ios/app/sky-guide/id576588894)

**Currently charting:** #16 Top Free · Reference, #28 Top Grossing · Reference (US App Store)

Identify stars, constellations, planets, and satellites in real-time by holding your device overhead. Explore celestial bodies with AR overlays, track satellites like the ISS, and travel through time to view past and future astronomical events. Perfect for both novice and experienced stargazers.

**Highlights:** Automatic celestial object identification, Augmented reality sky overlay, Satellite tracking and notifications, Time travel for past/future viewing, Personalized astronomical event calendar, Offline functionality

**Features:** macOS Compatibility, Family Sharing, Apple Watch app

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PLUS | $4.99 | per month |
| PRO | $8.99 | per month |
| PLUS | $39.99 | per year |
| PRO | $59.99 | per year |
| All Constellations | $1.99 | one-time |
| PRO Lifetime | $249.99 | one-time |

**What reviewers like**

- 🌟 Stunning visuals and graphics
- 📚 Wealth of information on celestial objects
- 🧭 Accurate and responsive compass/AR features
- 🌌 Immersive stargazing experience
- 🔍 Ability to identify stars, planets, and satellites

**What reviewers complain about**

- 🧭 Occasional compass/location calibration issues
- 💰 Subscription model limits access to some features
- 🌍 Lack of support for certain regions/locations
- 🕰️ Outdated information on some celestial objects

**Reported bugs**

- App freezes when near polar regions
- Occasional crashes or performance issues

**Requested features**

- Add more detailed information on moons of planets
- Implement mosaic planning tools for astrophotography
- Provide earlier notifications for satellite/ISS passes
- Allow users to share their observations and photos
- Improve integration with telescope/camera equipment


### Hydrant

[App page](https://appshunter.io/ios/app/hydrant/id1452190920)

Locate fire hydrants in the Vaud canton and access detailed information about each one. The app lists over 21,000 hydrants and 230 water dispensers, providing data on flow rate, pressure, and hydrant model.

**Highlights:** Locate fire hydrants in Vaud, View detailed hydrant information, Access data on flow rate and pressure, Find water dispensers, Over 21,000 hydrants listed

**In-app purchases:** none


## Frequently asked questions

### Is Sky Guide free?

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

### Is Hydrant free?

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

### Which has better reviews, Sky Guide or Hydrant?

Sky Guide is rated higher. Sky Guide averages 4.8 out of 5 from 379K ratings, while Hydrant averages 2.0 from 1 ratings.

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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.*