# Direct Debit System vs Gratuity Calculator

The clearest difference is in-app purchases: Direct Debit System at none against Gratuity Calculator's 1. Direct Debit System also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Gratuity Calculator sells 1 one-off in-app purchase. Direct Debit System asks for nothing beyond the download.

Direct Debit System ships an update every 3 weeks, Gratuity Calculator every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Direct Debit System | Gratuity Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/direct-debit-system/id1550348321/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 28 MB | 53 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DIRECT DEBIT SYSTEM FZ LLC](https://appshunter.io/developer/1550348323) | [Hemal Modi](https://appshunter.io/developer/1522352514) |

## What reviewers say

### Direct Debit System

[App page](https://appshunter.io/ios/app/direct-debit-system/id1550348321)

This app facilitates the registration and signing of UAEDDS mandates using UAEPASS. It streamlines the process for users needing to manage direct debit authorizations.

**Highlights:** UAEDDS mandate registration, UAEPASS signature integration, Direct debit authorization management

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

**In-app purchases:** none


### Gratuity Calculator

[App page](https://appshunter.io/ios/app/gratuity-calculator-uae/id6751781510)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Unlock | $1.99 | one-time |


## Frequently asked questions

### Is Direct Debit System free?

Direct Debit System is free to download, with no in-app purchases.

### Is Gratuity Calculator free?

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

### Do Direct Debit System or Gratuity Calculator have ads?

Neither Direct Debit System nor Gratuity Calculator shows ads.

### Which is updated more often, Direct Debit System or Gratuity Calculator?

Direct Debit System ships an update every 3 weeks, and Gratuity Calculator every 2 weeks. Most recently, Direct Debit System was updated on October 24, 2026 and Gratuity Calculator on October 25, 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.*