# Dux CRM vs Invoice Maker

The clearest difference is in-app purchases: Dux CRM at none against Invoice Maker's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Invoice Maker sells 4 in-app purchases, starting at $4.99 per 7 days. Dux CRM asks for nothing beyond the download.

Dux CRM ships an update every 9 days, Invoice Maker every 11 days. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Dux CRM | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/invoice-maker-for-contractors/id6758909085/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 11 days |
| Monetization | — | Free with in-app purchases |
| Size | 87 MB | 38 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [All Soft Multimedia](https://appshunter.io/developer/1669478403) | [Simon Jansen](https://appshunter.io/developer/1669997132) |

## What reviewers say

### Dux CRM

[App page](https://appshunter.io/ios/app/dux-crm/id6740823470)

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

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-for-contractors/id6758909085)

Quickly generate professional estimates and invoices for construction jobs using AI. Simply describe the work, upload photos, and answer a few questions to get a detailed, ready-to-send document in seconds. Ideal for tradespeople and contractors needing fast, accurate paperwork.

**Highlights:** AI-drafted estimates and invoices, Describe jobs via text or voice, Photo analysis for accurate line items, Professional PDF output, Email estimates and invoices directly, Convert estimates to invoices, Track document status

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $99.99 | per year |
| Pro Unlimited | $99.99 | one-time |


## Frequently asked questions

### Is Dux CRM free?

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

### Is Invoice Maker free?

Invoice Maker is free to download, with in-app purchases available.

### Do Dux CRM or Invoice Maker have ads?

Neither Dux CRM nor Invoice Maker shows ads.

### Which is updated more often, Dux CRM or Invoice Maker?

Dux CRM ships an update every 9 days, and Invoice Maker every 11 days. Most recently, Dux CRM was updated on November 8, 2026 and Invoice Maker on November 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.*