# Workflow Prinex vs Invoice Maker.

The clearest difference is in-app purchases: Workflow Prinex at none against Invoice Maker.'s 1. Workflow Prinex also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.2). Invoice Maker.'s advantage is update cadence (every 4 weeks vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Invoice Maker. sells 1 one-off in-app purchase. Workflow Prinex asks for nothing beyond the download.

Workflow Prinex ships an update every 3 months, Invoice Maker. every 4 weeks. The most recent releases landed on October 9, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | Workflow Prinex | Invoice Maker. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 15 MB | 1 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PRINEX](https://appshunter.io/developer/1249241358) | [Muhammed Efdal incesu](https://appshunter.io/developer/1748859357) |

## What reviewers say

### Workflow Prinex

[App page](https://appshunter.io/ios/app/workflow-prinex/id1319218859)

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

**In-app purchases:** none


### Invoice Maker.

[App page](https://appshunter.io/ios/app/invoice-maker-invoicebim/id6648784185)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Lifetime Premium | $2.99 | one-time |


## Frequently asked questions

### Is Workflow Prinex free?

Workflow Prinex 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 Workflow Prinex or Invoice Maker. have ads?

Neither Workflow Prinex nor Invoice Maker. shows ads.

### Which is updated more often, Workflow Prinex or Invoice Maker.?

Workflow Prinex ships an update every 3 months, and Invoice Maker. every 4 weeks. Most recently, Workflow Prinex was updated on October 9, 2026 and Invoice Maker. on October 3, 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.*