# Caliban Below vs Postplane

The clearest difference is rating: Postplane at 4.6 against Caliban Below's 3.8. Postplane also leads on review sentiment (80% vs 60%). Caliban Below's advantage is iOS requirement (12.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Postplane holds the better App Store score, 4.6 against 3.8. Both are backed by a comparable volume of ratings — 13 and 11 respectively. Written reviews point the same way: 60% of Caliban Below's written reviews are positive against 80% of Postplane's.

Caliban Below ships an update every 2 weeks, Postplane every 10 days. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Caliban Below | Postplane |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (13 ratings)](https://appshunter.io/ios/app/caliban-below/id1453783023/reviews) | **[4.6 (11 ratings)](https://appshunter.io/ios/app/postplane/id1523234862/reviews)** |
| Number of ratings | **13** | 11 |
| Positive reviews | 60.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 776 MB | 50 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Blackthorn Media, LLC](https://appshunter.io/developer/951169024) | [Postplane LLC](https://appshunter.io/developer/1523234864) |

## What reviewers say

### Caliban Below

[App page](https://appshunter.io/ios/app/caliban-below/id1453783023)

Trapped in an endless dream, you must uncover the secrets of your noble lineage and a dark inheritance. Explore ancient ruins and a mysterious realm below to find clues about your past and the events that led to your family's estrangement. This immersive narrative experience delves into centuries of darkness.

**Highlights:** Immersive storytelling, Explore ancient ruins, Uncover family secrets, Mysterious subterranean realm, Interactive narrative

**In-app purchases:** none


### Postplane

[App page](https://appshunter.io/ios/app/postplane/id1523234862)

A digital canvas for collaborative expression and communication. Share your creations instantly with others viewing your postplanes for synchronized interaction.

**Highlights:** Digital canvas for self-expression, Collaborative content creation, Instantly synchronized communication, Shareable postplanes, Cross-device compatibility

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

**In-app purchases:** none


## Frequently asked questions

### Is Caliban Below free?

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

### Is Postplane free?

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

### Which has better reviews, Caliban Below or Postplane?

Postplane is rated higher. Caliban Below averages 3.8 out of 5 from 13 ratings, while Postplane averages 4.6 from 11 ratings.

### Do Caliban Below or Postplane have ads?

Neither Caliban Below nor Postplane shows ads.

### Which is updated more often, Caliban Below or Postplane?

Caliban Below ships an update every 2 weeks, and Postplane every 10 days. Most recently, Caliban Below was updated on October 2, 2026 and Postplane on October 1, 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.*