# BT DO vs Epistle

The clearest difference is in-app purchases: BT DO at none against Epistle's 5. Epistle's advantage is update cadence (every 3 weeks vs every 2 months) and iOS requirement (12.0 vs 15.5). On price, 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. BT DO asks for nothing beyond the download.

BT DO ships an update every 2 months, Epistle every 3 weeks. The most recent releases landed on September 9, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | BT DO | Epistle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/epistle/id6498960558/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 50 MB |
| Requires iOS | 15.5 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E2 infosystems](https://appshunter.io/developer/1547004382) | [Epistle LLC](https://appshunter.io/developer/1453262687) |

## What reviewers say

### BT DO

[App page](https://appshunter.io/ios/app/bt-do/id1488297807)

**Features:** macOS Compatibility, 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 BT DO free?

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

### Is Epistle free?

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

### Do BT DO or Epistle have ads?

Neither BT DO nor Epistle shows ads.

### Which is updated more often, BT DO or Epistle?

BT DO ships an update every 2 months, and Epistle every 3 weeks. Most recently, BT DO was updated on September 9, 2026 and Epistle on August 24, 2026.

---

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