# Fast Invoice Maker Pro vs Duplicate Contacts Cleaner Pro

The clearest difference is in-app purchases: Fast Invoice Maker Pro at none against Duplicate Contacts Cleaner Pro's 1. Duplicate Contacts Cleaner Pro's advantage is update cadence (every 6 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Duplicate Contacts Cleaner Pro sells 1 in-app purchase, starting at $4.99 per month. Fast Invoice Maker Pro asks for nothing beyond the download.

Fast Invoice Maker Pro ships an update every 3 weeks, Duplicate Contacts Cleaner Pro every 6 days. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Fast Invoice Maker Pro | Duplicate Contacts Cleaner Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 50 MB | 10 MB |
| Requires iOS | **14.1** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [waqas mehmood](https://appshunter.io/developer/1558789540) | [Oksana Nikita](https://appshunter.io/developer/1723633323) |

## What reviewers say

### Fast Invoice Maker Pro

[App page](https://appshunter.io/ios/app/fast-invoice-maker-pro/id6444853901)

**Features:** macOS Compatibility

**In-app purchases:** none


### Duplicate Contacts Cleaner Pro

[App page](https://appshunter.io/ios/app/duplicate-contacts-cleaner-pro/id6449712207)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Functions Unlock | $4.99 | per month |


## Frequently asked questions

### Is Fast Invoice Maker Pro free?

Fast Invoice Maker Pro is free to download, with no in-app purchases.

### Is Duplicate Contacts Cleaner Pro free?

Duplicate Contacts Cleaner Pro is free to download, with in-app purchases available.

### Do Fast Invoice Maker Pro or Duplicate Contacts Cleaner Pro have ads?

Neither Fast Invoice Maker Pro nor Duplicate Contacts Cleaner Pro shows ads.

### Which is updated more often, Fast Invoice Maker Pro or Duplicate Contacts Cleaner Pro?

Fast Invoice Maker Pro ships an update every 3 weeks, and Duplicate Contacts Cleaner Pro every 6 days. Most recently, Fast Invoice Maker Pro was updated on October 11, 2026 and Duplicate Contacts Cleaner Pro on October 5, 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.*