# Diode Collab vs Epistle

The clearest difference is rating: Epistle at 5.0 against Diode Collab's 4.4. Epistle also leads on review sentiment (100% vs 67%) and update cadence (every 3 weeks vs every 2 months). Diode Collab's advantage is in-app purchases (none vs 5). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Epistle sells 5 in-app purchases, starting at $17.99 per month. Diode Collab asks for nothing beyond the download.

Epistle holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 9 respectively. Written reviews point the same way: 67% of Diode Collab's written reviews are positive against 100% of Epistle's.

Diode Collab ships an update every 2 months, Epistle every 3 weeks. The most recent releases landed on October 1, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Diode Collab | Epistle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/diode-collab/id1605222443/reviews) | **[5.0 (9 ratings)](https://appshunter.io/ios/app/epistle/id6498960558/reviews)** |
| Number of ratings | 8 | **9** |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 32 MB | 50 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Diode](https://appshunter.io/developer/1605222445) | [Epistle LLC](https://appshunter.io/developer/1453262687) |

## What reviewers say

### Diode Collab

[App page](https://appshunter.io/ios/app/diode-collab/id1605222443)

This app offers a secure, self-managed alternative to cloud storage and team communication tools. It utilizes a peer-to-peer network, ensuring your data remains under your control without relying on third-party servers. Share notes, messages, and files with groups privately and securely.

**Highlights:** Self-managed secure data storage, Peer-to-peer network, Private message sharing, Secure file sharing, Group collaboration

**Features:** Vision Pro support

**In-app purchases:** none


### Epistle

[App page](https://appshunter.io/ios/app/epistle/id6498960558)

This app facilitates communication and financial support for missionaries. It allows for easy sharing of ministry updates with photos and videos, automatically sending them to ministry partners who can respond with engagement. It simplifies the process of connecting with supporters and managing ministry outreach.

**Highlights:** Share ministry updates with photos and video, Automatic update distribution to partners, Ministry partner engagement (likes, prayers, comments), Manage ministry sites, Connect with ministry partners, Automated email platform

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Epistle Site | $17.99 | per month |
| Two Epistle Sites | $39.99 | per month |
| Three Epistle Sites | $59.99 | per month |
| Four Epistle Sites | $79.99 | per month |
| Five Epistle Sites | $89.99 | per month |


## Frequently asked questions

### Is Diode Collab free?

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

### Is Epistle free?

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

### Which has better reviews, Diode Collab or Epistle?

Epistle is rated higher. Diode Collab averages 4.4 out of 5 from 8 ratings, while Epistle averages 5.0 from 9 ratings.

### Do Diode Collab or Epistle have ads?

Neither Diode Collab nor Epistle shows ads.

### Which is updated more often, Diode Collab or Epistle?

Diode Collab ships an update every 2 months, and Epistle every 3 weeks. Most recently, Diode Collab was updated on October 1, 2026 and Epistle on October 8, 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.*