# Pidj Mobile vs Ciphermail PDF Authenticator

The clearest difference is update cadence: Ciphermail PDF Authenticator at every 2 weeks against Pidj Mobile's every 2 months. Pidj Mobile's advantage is iOS requirement (12.4 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Pidj Mobile ships an update every 2 months, Ciphermail PDF Authenticator every 2 weeks. The most recent releases landed on June 5, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Pidj Mobile | Ciphermail PDF Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pidj-mobile/id1587760116/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 37 MB |
| Requires iOS | **12.4** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [PidjCo LLC](https://appshunter.io/developer/1587760118) | [Ciphermail B.V.](https://appshunter.io/developer/1673495516) |

## What reviewers say

### Pidj Mobile

[App page](https://appshunter.io/ios/app/pidj-mobile/id1587760116)

Manage business and community communications with real-time text messaging. Features 2-way communication and Textcast for efficient team and customer outreach. Streamline workflows with a user-friendly interface.

**Highlights:** 2-way communication, Textcast capabilities, Real-time messaging, Workflow streamlining, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### Ciphermail PDF Authenticator

[App page](https://appshunter.io/ios/app/ciphermail-pdf-authenticator/id1673495514)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pidj Mobile free?

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

### Is Ciphermail PDF Authenticator free?

Ciphermail PDF Authenticator is free to download, with no in-app purchases.

### Do Pidj Mobile or Ciphermail PDF Authenticator have ads?

Neither Pidj Mobile nor Ciphermail PDF Authenticator shows ads.

### Which is updated more often, Pidj Mobile or Ciphermail PDF Authenticator?

Pidj Mobile ships an update every 2 months, and Ciphermail PDF Authenticator every 2 weeks. Most recently, Pidj Mobile was updated on June 5, 2026 and Ciphermail PDF Authenticator on September 15, 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.*