# Knowwu vs AInvoice

The clearest difference is ads: Knowwu at none against AInvoice's shown. Knowwu also leads on update cadence (every 8 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Knowwu sells 4 in-app purchases, starting at $5.99 per month and AInvoice sells 4 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Knowwu ships an update every 8 days, AInvoice monthly. The most recent releases landed on October 8, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Knowwu | AInvoice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 8 days** | Monthly |
| Size | 167 MB | 42 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Ezimax Technologies Private Limited](https://appshunter.io/developer/1364052111) | [Lavagon Ltd](https://appshunter.io/developer/1377080097) |

## What reviewers say

### Knowwu

[App page](https://appshunter.io/ios/app/knowwu/id6471442876)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knowwu Business Plan - Monthly | $5.99 | per month |
| Knowwu Team Plan - Monthly | $9.99 | per month |
| Knowwu Business Plan - Yearly | $59.99 | per year |
| Knowwu Team Plan - Yearly | $99.99 | per year |


### AInvoice

[App page](https://appshunter.io/ios/app/ainvoice-ai-invoice-maker/id6746760898)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $4.99 | per month |
| Premium | $9.99 | per month |
| Pro | $49.99 | per year |
| Premium | $99.99 | per year |


## Frequently asked questions

### Is Knowwu free?

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

### Is AInvoice free?

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

### Do Knowwu or AInvoice have ads?

AInvoice shows ads; Knowwu does not.

### Which is updated more often, Knowwu or AInvoice?

Knowwu ships an update every 8 days, and AInvoice monthly. Most recently, Knowwu was updated on October 8, 2026 and AInvoice on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*