# Future Past vs Catalyst

The clearest difference is in-app purchases: Catalyst at none against Future Past's 1. Future Past's advantage is iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Future Past sells 1 one-off in-app purchase. Catalyst asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Future Past against 5.0 for Catalyst. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Future Past ships an update every 2 weeks, Catalyst every 9 days. The most recent releases landed on October 10, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Future Past | Catalyst |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/future-past/id1592645561/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/catalyst-ai-workspace/id6787500410/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Freemium | **Free** |
| Size | 12 MB | 31 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Talking Chicken Friend](https://appshunter.io/developer/1500965951) | [ObjectGraph LLC](https://appshunter.io/developer/284700705) |

## What reviewers say

### Future Past

[App page](https://appshunter.io/ios/app/future-past/id1592645561)

Track important dates with a simple timeline. See days remaining or days past for any event. Syncs with your iOS Calendar and offers widgets for quick access.

**Highlights:** Off-calendar event timeline, iOS Calendar sync, Calendar view for event browsing, iOS widgets, Unlimited events (Pro), Unlimited calendar integration (Pro)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Future Past Pro | $14.99 | one-time |


### Catalyst

[App page](https://appshunter.io/ios/app/catalyst-ai-workspace/id6787500410)

Access multiple leading AI models in one app, compare their responses, and generate images or videos. It also supports Python code execution and web searches with sources. Bring your own API keys for flexibility and control over your data.

**Highlights:** Access multiple AI models, Compare AI model responses, Generate images and video clips, Secure Python sandbox, Web search with sources, Attach files and photos, Persistent conversation memory

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

**In-app purchases:** none


## Frequently asked questions

### Is Future Past free?

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

### Is Catalyst free?

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

### Which has better reviews, Future Past or Catalyst?

Future Past and Catalyst are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Future Past or Catalyst have ads?

Neither Future Past nor Catalyst shows ads.

### Which is updated more often, Future Past or Catalyst?

Future Past ships an update every 2 weeks, and Catalyst every 9 days. Most recently, Future Past was updated on October 10, 2026 and Catalyst on October 8, 2026.

---

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