# Duty BD vs eCipher

The clearest difference is in-app purchases: Duty BD at none against eCipher's 3. Duty BD also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (13.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. eCipher sells 3 one-off in-app purchases. Duty BD asks for nothing beyond the download.

Duty BD ships an update fortnightly, eCipher every 2 months. The most recent releases landed on May 17, 2026 and July 26, 2026 respectively.

## The numbers

| Metric | Duty BD | eCipher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ecipher/id6463803801/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Free with in-app purchases |
| Size | 49 MB | 124 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Easin Arafat](https://appshunter.io/developer/1690629309) | [Commlink Infotech LLC](https://appshunter.io/developer/1661665046) |

## What reviewers say

### Duty BD

[App page](https://appshunter.io/ios/app/duty-bd/id6449788435)

**Features:** macOS Compatibility

**In-app purchases:** none


### eCipher

[App page](https://appshunter.io/ios/app/ecipher/id6463803801)

Securely sign and manage digital documents from any device. Offers real-time tracking, collaboration, and enterprise-grade encryption for authenticity and integrity. Verified user onboarding ensures a trusted process.

**Highlights:** Dynamic dashboard for real-time overview, Easy individual and collaborative signing, Document status tracking, Form signing, Signature management, Organized document management, Seamless collaboration

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3GB Consumable Storage | $4.99 | one-time |
| Sign 20 | $5.99 | one-time |
| 4GB Storage | $8.99 | one-time |


## Frequently asked questions

### Is Duty BD free?

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

### Is eCipher free?

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

### Do Duty BD or eCipher have ads?

Neither Duty BD nor eCipher shows ads.

### Which is updated more often, Duty BD or eCipher?

Duty BD ships an update fortnightly, and eCipher every 2 months. Most recently, Duty BD was updated on May 17, 2026 and eCipher on July 26, 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.*