# Zetrr Planner vs GreySpace

The clearest difference is in-app purchases: Zetrr Planner at none against GreySpace's 2. GreySpace's advantage is device support (4 vs 2) and iOS requirement (13.0 vs 18.0). On price, update cadence and ads there is nothing between them.

Both are free to download. GreySpace sells 2 in-app purchases, starting at $4.99 per month. Zetrr Planner asks for nothing beyond the download.

Zetrr Planner ships an update every 3 days, GreySpace every 5 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Zetrr Planner | GreySpace |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Size | 11 MB | 90 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Ashish Sukralia](https://appshunter.io/developer/6776014610) | [Fabien Chauveau](https://appshunter.io/developer/6778603536) |

## What reviewers say

### Zetrr Planner

[App page](https://appshunter.io/ios/app/zetrr-planner/id6776014608)

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

**In-app purchases:** none


### GreySpace

[App page](https://appshunter.io/ios/app/greyspace-file-transfer/id6778603534)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GreySpace Pro — Monthly | $4.99 | per month |
| GreySpace Pro Yearly | $34.99 | per year |


## Frequently asked questions

### Is Zetrr Planner free?

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

### Is GreySpace free?

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

### Do Zetrr Planner or GreySpace have ads?

Neither Zetrr Planner nor GreySpace shows ads.

### Which is updated more often, Zetrr Planner or GreySpace?

Zetrr Planner ships an update every 3 days, and GreySpace every 5 days. Most recently, Zetrr Planner was updated on October 31, 2026 and GreySpace on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*