# The Sky Pro by Redshift vs PKT

The clearest difference is review sentiment: The Sky Pro by Redshift at 64% against PKT's 0%. The Sky Pro by Redshift also leads on ratings volume (337 vs 1) and device support (4 vs 2). PKT's advantage is price (Free vs $6.99) and in-app purchases (none vs 3). On ads there is nothing between them.

PKT is free to download; The Sky Pro by Redshift costs $6.99 up front. The Sky Pro by Redshift sells 3 in-app purchases, starting at $1.99 per month. PKT asks for nothing beyond the download.

PKT holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: The Sky Pro by Redshift has 337 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 64% of The Sky Pro by Redshift's written reviews are positive against 0% of PKT's, so the app with the better star average is not the one people write more warmly about.

The Sky Pro by Redshift ships an update every 2 months, PKT fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Sky Pro by Redshift | PKT |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [4.8 (337 ratings)](https://appshunter.io/ios/app/the-sky-pro-by-redshift/id1481865153/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pkt-pro/id1621486011/reviews)** |
| Number of ratings | **337** | 1 |
| Positive reviews | **64.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 1.1 GB | 43 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [United Soft Media Verlag GmbH](https://appshunter.io/developer/330111789) | [江西达伙网络科技有限公司](https://appshunter.io/developer/1234844673) |

## What reviewers say

### The Sky Pro by Redshift

[App page](https://appshunter.io/ios/app/the-sky-pro-by-redshift/id1481865153)

Explore the cosmos with a comprehensive planetarium and knowledge base. Discover celestial objects, track their movements, and plan your observations. Features include augmented reality, 3D models, and educational content.

**Highlights:** Award-winning planetarium with 100,000+ stars, Accurate simulation of celestial phenomena, Real-time satellite tracking, Augmented reality sky view, 3D models of celestial objects, Telescope control (with subscription)

**Features:** macOS Compatibility, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| The Sky Ultimate 1 Month | $1.99 | per month |
| The Sky Ultimate 1 Year | $9.99 | per year |
| The Sky Ultimate | $22.99 | one-time |

**What reviewers like**

- ✨ Nice fresh look
- 👍 User-friendly interface
- 🚀 Fast and responsive
- 🔭 Detailed astronomical data
- 🌌 Immersive 3D flights

**What reviewers complain about**

- 💸 Expensive subscription model
- 💰 Double charging for purchases
- 🤔 Vague upgrade details
- 📉 Old version removed
- 😕 Limited free trial

**Reported bugs**

- App crashes on launch
- App crashes on iPad
- Compass calibration issues (20° off)
- Settings reset to default sporadically
- Ultimate trial expired before fix

**Requested features**

- More details on Ultimate upgrade
- Ability to fly to other galaxies
- More distant stars accessible
- Add JWST
- More range to view universe


### PKT

[App page](https://appshunter.io/ios/app/pkt-pro/id1621486011)

Monitor your battery's health and performance in real-time. This app provides detailed insights into voltage, current, and individual cell status, helping to optimize battery life and stability through Bluetooth connection.

**Highlights:** Real-time voltage, current, and power monitoring, Individual battery voltage and alarm status, Cell comparison and balance display, Temperature and operational warnings, Warning history log, Bluetooth connectivity

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

**In-app purchases:** none


## Frequently asked questions

### Is The Sky Pro by Redshift free?

The Sky Pro by Redshift costs $6.99, and also offers in-app purchases.

### Is PKT free?

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

### Which has better reviews, The Sky Pro by Redshift or PKT?

PKT is rated higher. The Sky Pro by Redshift averages 4.8 out of 5 from 337 ratings, while PKT averages 5.0 from 1 ratings.

### Do The Sky Pro by Redshift or PKT have ads?

Neither The Sky Pro by Redshift nor PKT shows ads.

### Which is updated more often, The Sky Pro by Redshift or PKT?

The Sky Pro by Redshift ships an update every 2 months, and PKT fortnightly. Most recently, The Sky Pro by Redshift was updated on November 3, 2026 and PKT on October 30, 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.*