# Waslah vs Invoice Maker

The clearest difference is in-app purchases: Waslah at none against Invoice Maker's 2. Waslah also leads on update cadence (every 3 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Maker sells 2 in-app purchases, starting at $19.00 per month. Waslah asks for nothing beyond the download.

Waslah ships an update every 3 days, Invoice Maker every 5 weeks. The most recent releases landed on September 16, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | Waslah | Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 weeks |
| Size | 32 MB | 39 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ministry of Health, Sultanate of Oman](https://appshunter.io/developer/1413633421) | [Caractiv Tech](https://appshunter.io/developer/1712980218) |

## What reviewers say

### Waslah

[App page](https://appshunter.io/ios/app/waslah/id6749934534)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-bill/id6756495015)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Membership Monthly | $19.00 | per month |
| Premium Membership Annually | $199.00 | per year |


## Frequently asked questions

### Is Waslah free?

Waslah 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 Waslah or Invoice Maker have ads?

Neither Waslah nor Invoice Maker shows ads.

### Which is updated more often, Waslah or Invoice Maker?

Waslah ships an update every 3 days, and Invoice Maker every 5 weeks. Most recently, Waslah was updated on September 16, 2026 and Invoice Maker on September 7, 2026.

---

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