# Smart Invoice Maker Pro vs SInvoice

The clearest difference is in-app purchases: Smart Invoice Maker Pro at none against SInvoice's 2. Smart Invoice Maker Pro also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. SInvoice sells 2 in-app purchases, starting at $4.99 per month. Smart Invoice Maker Pro asks for nothing beyond the download.

Smart Invoice Maker Pro ships an update every 3 days, SInvoice every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Smart Invoice Maker Pro | SInvoice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sinvoice-fast-invoice-maker/id6799751085/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | — | Free with in-app purchases |
| Size | 29 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MBDTECH LTD](https://appshunter.io/developer/1817225204) | [Elevate Repair LLC](https://appshunter.io/developer/1895518145) |

## What reviewers say

### Smart Invoice Maker Pro

[App page](https://appshunter.io/ios/app/smart-invoice-maker-pro/id6755522995)

**Features:** macOS Compatibility

**In-app purchases:** none


### SInvoice

[App page](https://appshunter.io/ios/app/sinvoice-fast-invoice-maker/id6799751085)

Create professional invoices and estimates quickly for your service business. Manage customers, track payments, and organize billing on your iPhone or iPad. Attach photos and documents for easy record-keeping.

**Highlights:** Create professional invoices, Generate estimates, Manage customer information, Track payments and balances, Attach photos and documents, Share documents with customers, View financial reports

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| S Invoice Pro | $4.99 | per month |
| S Invoice Pro | $49.99 | per year |


## Frequently asked questions

### Is Smart Invoice Maker Pro free?

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

### Is SInvoice free?

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

### Do Smart Invoice Maker Pro or SInvoice have ads?

Neither Smart Invoice Maker Pro nor SInvoice shows ads.

### Which is updated more often, Smart Invoice Maker Pro or SInvoice?

Smart Invoice Maker Pro ships an update every 3 days, and SInvoice every 4 days. Most recently, Smart Invoice Maker Pro was updated on November 9, 2026 and SInvoice on October 31, 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.*