# PostgreSqlProg2 vs QNAP Authenticator

The clearest difference is price: QNAP Authenticator at Free against PostgreSqlProg2's $14.99. QNAP Authenticator also leads on update cadence (every 3 months vs every 6 months). PostgreSqlProg2's advantage is iOS requirement (9.3 vs 16.0). On ads, in-app purchases and device support there is nothing between them.

QNAP Authenticator is free to download; PostgreSqlProg2 costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PostgreSqlProg2 ships an update every 6 months, QNAP Authenticator every 3 months. The most recent releases landed on October 28, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | PostgreSqlProg2 | QNAP Authenticator |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | — | **[1.9 (14 ratings)](https://appshunter.io/ios/app/qnap-authenticator/id1620302345/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 20.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 205 MB | 44 MB |
| Requires iOS | **9.3** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Balasubramanian Ramanathan](https://appshunter.io/developer/1497624706) | [QNAP Systems, Inc.](https://appshunter.io/developer/355826923) |

## What reviewers say

### PostgreSqlProg2

[App page](https://appshunter.io/ios/app/postgresqlprog2-postgresql/id1474555615)

**In-app purchases:** none


### QNAP Authenticator

[App page](https://appshunter.io/ios/app/qnap-authenticator/id1620302345)

Enhance your account security with this mobile app that provides 2-Step Verification and Passwordless Login. It offers multiple verification methods, including login approval, QR code scanning, and online codes, with TOTP support for offline use and third-party accounts.

**Highlights:** 2-Step Verification, Passwordless Login, Login Approval, QR Code Verification, Online Verification Code, Time-based One-Time Password (TOTP), Offline TOTP generation

**In-app purchases:** none


## Frequently asked questions

### Is PostgreSqlProg2 free?

PostgreSqlProg2 costs $14.99, with no in-app purchases.

### Is QNAP Authenticator free?

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

### Do PostgreSqlProg2 or QNAP Authenticator have ads?

Neither PostgreSqlProg2 nor QNAP Authenticator shows ads.

### Which is updated more often, PostgreSqlProg2 or QNAP Authenticator?

PostgreSqlProg2 ships an update every 6 months, and QNAP Authenticator every 3 months. Most recently, PostgreSqlProg2 was updated on October 28, 2026 and QNAP Authenticator on November 12, 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.*