# Backcast vs 3rd Space

The clearest difference is ads: Backcast at none against 3rd Space's shown. Backcast also leads on iOS requirement (12.0 vs 14.0). On price, update cadence, in-app purchases and device support there is nothing between them.

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

Backcast ships an update every 5 weeks, 3rd Space every 2 months. The most recent releases landed on October 14, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Backcast | 3rd Space |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/backcast/id6468239243/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 27 MB | 9 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Hikari Suwa](https://appshunter.io/developer/1709635367) | [3rd Space App, Inc](https://appshunter.io/developer/1728850001) |

## What reviewers say

### Backcast

[App page](https://appshunter.io/ios/app/backcast/id6468239243)

This platform connects users to share visionary ideas and transform them into actionable research themes. Engage in discussions within specialized forums, contribute your insights, or create your own topic to foster collective intelligence and collaboration.

**Highlights:** Explore 'Trees of Interest' forums, Engage in discussions and share insights, Create and manage your own topic trees, Personalized content feed, Connect with users for collaboration, Develop actionable research themes

**Features:** macOS Compatibility

**In-app purchases:** none


### 3rd Space

[App page](https://appshunter.io/ios/app/3rd-space-local-clubs/id6477292866)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Backcast free?

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

### Is 3rd Space free?

3rd Space is free to download, with no in-app purchases.

### Do Backcast or 3rd Space have ads?

3rd Space shows ads; Backcast does not.

### Which is updated more often, Backcast or 3rd Space?

Backcast ships an update every 5 weeks, and 3rd Space every 2 months. Most recently, Backcast was updated on October 14, 2026 and 3rd Space on October 27, 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.*