# PDA Authenticator vs Spark Number

The clearest difference is in-app purchases: PDA Authenticator at none against Spark Number's 4. PDA Authenticator also leads on iOS requirement (12.0 vs 15.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Spark Number sells 4 one-off in-app purchases. PDA Authenticator asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for PDA Authenticator against 5.0 for Spark Number. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

## The numbers

| Metric | PDA Authenticator | Spark Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pda-authenticator/id6505103153/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/spark-number/id6763991053/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 4 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Pubali Bank Limited](https://appshunter.io/developer/1502212327) | [Yellow Mountain Technology, Inc.](https://appshunter.io/developer/1113231522) |

## What reviewers say

### PDA Authenticator

[App page](https://appshunter.io/ios/app/pda-authenticator/id6505103153)

This app generates secure, time-based one-time passwords for enhanced online banking security. It integrates seamlessly with digital banking applications and offers offline functionality with advanced encryption for a safe and user-friendly experience.

**Highlights:** Secure TOTP Generation, Seamless Integration with Pubali Apps, User-Friendly Interface, Advanced Encryption, Offline Functionality

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

**In-app purchases:** none


### Spark Number

[App page](https://appshunter.io/ios/app/spark-number/id6763991053)

Create personalized calculators for any task using simple text prompts. This app generates custom tools with native interfaces for mortgage calculations, recipes, discounts, and more, supporting advanced formulas and multiple languages.

**Highlights:** AI-powered calculator generation, Custom formula support, Native iOS interface, Multi-language prompt support, Plain text description input

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Pack 15 credits | $0.99 | one-time |
| Unlock Unlimited Slots | $4.99 | one-time |
| Value Pack 50 credits | $4.99 | one-time |
| Master Pack 150 credits | $9.99 | one-time |


## Frequently asked questions

### Is PDA Authenticator free?

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

### Is Spark Number free?

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

### Which has better reviews, PDA Authenticator or Spark Number?

PDA Authenticator and Spark Number are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do PDA Authenticator or Spark Number have ads?

Neither PDA Authenticator nor Spark Number shows ads.

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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.*