# PlanStudio vs Constellation

The clearest difference is in-app purchases: PlanStudio at none against Constellation's 1. PlanStudio also leads on iOS requirement (16.0 vs 18.0). Constellation's advantage is device support (4 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Constellation sells 1 one-off in-app purchase. PlanStudio asks for nothing beyond the download.

PlanStudio ships an update every 6 weeks, Constellation every 2 months. The most recent releases landed on October 15, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PlanStudio | Constellation |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/planstudio/id1520317686/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 159 MB | 19 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPad | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Concept Safety Systems PTY LTD](https://appshunter.io/developer/1378469624) | [Drobinin Limited](https://appshunter.io/developer/1713029153) |

## What reviewers say

### PlanStudio

[App page](https://appshunter.io/ios/app/planstudio/id1520317686)

Easily create spatially accurate evacuation signs and diagrams directly from your tablet. Mark up building plans with pre-configured icons and drafting tools, then publish finished signs with a single press. Compliant with Australian legislation.

**Highlights:** Spatially accurate plans with geotagging, 100+ pre-configured icons for safety, Compliant with Australian legislation, Secure cloud storage, Multiple sign templates, Full suite of drafting tools, Push-button publishing of signs

**Features:** Vision Pro support

**In-app purchases:** none


### Constellation

[App page](https://appshunter.io/ios/app/constellation-mind-atlas/id6756132557)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Wiki Pro | $39.99 | one-time |


## Frequently asked questions

### Is PlanStudio free?

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

### Is Constellation free?

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

### Do PlanStudio or Constellation have ads?

Neither PlanStudio nor Constellation shows ads.

### Which is updated more often, PlanStudio or Constellation?

PlanStudio ships an update every 6 weeks, and Constellation every 2 months. Most recently, PlanStudio was updated on October 15, 2026 and Constellation on October 25, 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.*