# Sphinx Directory vs Telephony

The clearest difference is in-app purchases: Telephony at none against Sphinx Directory's 1. Sphinx Directory's advantage is update cadence (every 10 days vs every 2 months) and iOS requirement (12.0 vs 15.2). On price, ads and device support there is nothing between them.

Both are free to download. Sphinx Directory sells 1 in-app purchase, starting at $49.99 per year. Telephony asks for nothing beyond the download.

Sphinx Directory ships an update every 10 days, Telephony every 2 months. The most recent releases landed on September 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Sphinx Directory | Telephony |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.2 (647 ratings)](https://appshunter.io/ios/app/telephony/id6739450752/reviews)** |
| Number of ratings | — | **647** |
| Positive reviews | — | 1.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free |
| Size | 40 MB | 323 MB |
| Requires iOS | **12.0** | 15.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Sphinx Advertising](https://appshunter.io/developer/1271090902) | [National Telecom Regulatory Authority](https://appshunter.io/developer/1596895174) |

## What reviewers say

### Sphinx Directory

[App page](https://appshunter.io/ios/app/sphinx-directory/id1360789271)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium annually | $49.99 | per year |


### Telephony

[App page](https://appshunter.io/ios/app/telephony/id6739450752)

Securely register and manage mobile devices for customs procedures. Scan passports and IMEI numbers, process fee payments, and ensure safe transactions.

**Highlights:** Passport Scanning, IMEI Scanning, Fee Payment, Secure Payment Transactions, Device Status Checking

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

**In-app purchases:** none

**What reviewers like**

- ⭐ Very good application
- ⭐ Perfect app

**What reviewers complain about**

- 🚫 Scam application
- 🚫 Spam application
- 🚫 Blackmail app
- 🚫 Stealing money from people
- 🚫 Collecting personal data

**Reported bugs**

- Passport scan feature doesn't work
- Login issues
- Compatibility issues with older devices

**Requested features**

- Dark mode option
- Advanced analytics dashboard


## Frequently asked questions

### Is Sphinx Directory free?

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

### Is Telephony free?

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

### Do Sphinx Directory or Telephony have ads?

Neither Sphinx Directory nor Telephony shows ads.

### Which is updated more often, Sphinx Directory or Telephony?

Sphinx Directory ships an update every 10 days, and Telephony every 2 months. Most recently, Sphinx Directory was updated on September 16, 2026 and Telephony on October 2, 2026.

---

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