# Planetary Guide vs Sky Today

The clearest difference is price: Sky Today at Free against Planetary Guide's $9.99. Sky Today also leads on iOS requirement (16.6 vs 18.0). Planetary Guide's advantage is in-app purchases (none vs 2). On update cadence, ads and device support there is nothing between them.

Sky Today is free to download; Planetary Guide costs $9.99 up front. Sky Today sells 2 in-app purchases, starting at $4.99 per month. Planetary Guide asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Planetary Guide | Sky Today |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sky-today-retrograde-tracker/id6784191554/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Freemium |
| Size | 7 MB | 49 MB |
| Requires iOS | 18.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Allyson Jane Bunting](https://appshunter.io/developer/1745521704) | [Oracular](https://appshunter.io/developer/1865646714) |

## What reviewers say

### Planetary Guide

[App page](https://appshunter.io/ios/app/planetary-guide/id6502454896)

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

**In-app purchases:** none


### Sky Today

[App page](https://appshunter.io/ios/app/sky-today-retrograde-tracker/id6784191554)

Visualize the current positions of all planets in the zodiac with real-time orbital data. Explore planetary movements, aspects, and upcoming celestial events. Offers a premium subscription for advanced time-travel and detailed planet information.

**Highlights:** Live planetary positions on zodiac orbits, Time-travel scrubbing through celestial movements, Detailed aspect information with exact times, Unified timeline of celestial events, Individual planet detail with motion trails, Observatory-grade design with customizable controls

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Annual | $49.99 | per year |


## Frequently asked questions

### Is Planetary Guide free?

Planetary Guide costs $9.99, with no in-app purchases.

### Is Sky Today free?

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

### Do Planetary Guide or Sky Today have ads?

Neither Planetary Guide nor Sky Today shows ads.

### Which is updated more often, Planetary Guide or Sky Today?

Planetary Guide ships an update weekly, and Sky Today weekly. Most recently, Planetary Guide was updated on October 5, 2026 and Sky Today on October 9, 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.*