# CollabCasts vs Open When

The clearest difference is update cadence: Open When at daily against CollabCasts's every 3 months. CollabCasts's advantage is iOS requirement (15.1 vs 17.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. CollabCasts sells 2 in-app purchases, starting at $4.99 per month and Open When sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

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

CollabCasts ships an update every 3 months, Open When daily. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CollabCasts | Open When |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/collabcasts/id6759265024/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/open-when-letters-for-later/id6795863189/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Freemium | Freemium |
| Size | 49 MB | 9 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [DAMON DEANGELO BELLE](https://appshunter.io/developer/1877729566) | [Moon Radio Candy](https://appshunter.io/developer/6795771875) |

## What reviewers say

### CollabCasts

[App page](https://appshunter.io/ios/app/collabcasts/id6759265024)

This platform allows creators to ask questions and communities to respond with short voice clips. Submissions are curated into polished audio episodes, reimagining podcast creation for various uses like Q&A, fan reactions, and team discussions.

**Highlights:** Creators post prompts with time limits, Contributors record voice clips, Curate submissions into episodes, Agent Producer for automatic episode drafting, Support for community Q&A, fan reactions, team discussions, Adjustable episode visibility (public, unlisted, private), Earn shareable credits for featured contributions

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Founding Creator Monthly | $4.99 | per month |
| Founding Creator Annual | $49.99 | per year |


### Open When

[App page](https://appshunter.io/ios/app/open-when-letters-for-later/id6795863189)

Write and send thoughtful letters to yourself and others, to be opened at a specific moment or date. Create personalized messages with prompts or your own ideas, and cherish memories by saving letters as keepsakes.

**Highlights:** Write letters for specific moments, Seal letters for future opening, Use meaningful prompts, Create custom moments, Exchange letters with friends, Save letters as keepsake PDFs

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Open When Membership | $2.99 | per month |


## Frequently asked questions

### Is CollabCasts free?

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

### Is Open When free?

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

### Which has better reviews, CollabCasts or Open When?

CollabCasts and Open When are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do CollabCasts or Open When have ads?

Neither CollabCasts nor Open When shows ads.

### Which is updated more often, CollabCasts or Open When?

CollabCasts ships an update every 3 months, and Open When daily. Most recently, CollabCasts was updated on October 6, 2026 and Open When on October 16, 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.*