# Pocket Universe vs Caesar Shift Plus

The clearest difference is price: Pocket Universe at Free against Caesar Shift Plus's $0.99. Pocket Universe also leads on rating (4.5 vs 4.0) and ratings volume (260 vs 1). Caesar Shift Plus's advantage is in-app purchases (none vs 3) and review sentiment (100% vs 73%). On ads, monetization model and device support there is nothing between them.

Pocket Universe is free to download; Caesar Shift Plus costs $0.99 up front. Pocket Universe sells 3 in-app purchases, starting at $0.99 per month. Caesar Shift Plus asks for nothing beyond the download.

Pocket Universe holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Pocket Universe has 260 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 73% of Pocket Universe's written reviews are positive against 100% of Caesar Shift Plus's, so the app with the better star average is not the one people write more warmly about.

Pocket Universe ships an update every 5 weeks, Caesar Shift Plus every 7 months. The most recent releases landed on October 29, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Pocket Universe | Caesar Shift Plus |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (260 ratings)](https://appshunter.io/ios/app/pocket-universe/id306916838/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/caesar-shift-plus/id790429949/reviews) |
| Number of ratings | **260** | 1 |
| Positive reviews | 72.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 7 months |
| Monetization | Paid | Paid |
| Size | 120 MB | 10 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [John Kennedy](https://appshunter.io/developer/284943103) | [a Rausa](https://appshunter.io/developer/638439637) |

## What reviewers say

### Pocket Universe

[App page](https://appshunter.io/ios/app/pocket-universe/id306916838)

Explore the night sky with this intuitive guide. Identify planets, constellations, and satellites by simply pointing your device. Discover celestial events, track celestial bodies, and learn about thousands of astronomical objects.

**Highlights:** Live sky view with object identification, Time travel for celestial event prediction, Explore mode for upcoming events and solar activity, Search and browse celestial objects, Detailed information on thousands of objects, Home Screen widgets for Sun/Moon times and Moon phase, Customizable viewing modes with night vision

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $0.99 | per month |
| Annual subscription | $4.99 | per year |
| Pocket Universe Lifetime unlock | $19.99 | one-time |

**What reviewers like**

- 🚀 Great app
- 👍 Useful for astronomy
- 👍 Excellent educational tool
- 👍 Easy to use
- 👍 Accurate

**What reviewers complain about**

- 🐛 Crashes
- 🐛 Inaccurate compass/tracking
- 🐛 Buggy after updates
- 🐛 Doesn't work on older devices
- 🐛 Location issues

**Reported bugs**

- Crashes on launch
- Compass issues
- Inaccurate sky positioning
- Compatibility problems with newer iOS versions

**Requested features**

- Ability to set time and date
- Improved motion tracking and compass calibration
- Larger text size options
- More detailed information on stars, galaxies, etc.
- Comet and asteroid tracking


### Caesar Shift Plus

[App page](https://appshunter.io/ios/app/caesar-shift-plus/id790429949)

Easily encrypt and decrypt messages using the classic Caesar cipher method. This tool allows you to substitute letters in a secret message with others a fixed number of positions away in the alphabet.

**Highlights:** Encrypt messages, Decrypt messages, Caesar cipher method, Substitution cipher, Simple interface

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Pocket Universe free?

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

### Is Caesar Shift Plus free?

Caesar Shift Plus costs $0.99, with no in-app purchases.

### Which has better reviews, Pocket Universe or Caesar Shift Plus?

Pocket Universe is rated higher. Pocket Universe averages 4.5 out of 5 from 260 ratings, while Caesar Shift Plus averages 4.0 from 1 ratings.

### Do Pocket Universe or Caesar Shift Plus have ads?

Neither Pocket Universe nor Caesar Shift Plus shows ads.

### Which is updated more often, Pocket Universe or Caesar Shift Plus?

Pocket Universe ships an update every 5 weeks, and Caesar Shift Plus every 7 months. Most recently, Pocket Universe was updated on October 29, 2026 and Caesar Shift Plus on October 23, 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.*