# Simple Invoice Maker & Receipt vs PetraCRM

The clearest difference is in-app purchases: PetraCRM at none against Simple Invoice Maker & Receipt's 5. Simple Invoice Maker & Receipt's advantage is iOS requirement (11.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Invoice Maker & Receipt sells 5 in-app purchases, starting at $3.99 per month. PetraCRM asks for nothing beyond the download.

Simple Invoice Maker & Receipt ships an update monthly, PetraCRM every 3 weeks. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Simple Invoice Maker & Receipt | PetraCRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (35 ratings)](https://appshunter.io/ios/app/simple-invoice-maker-and-receipt/id1507360389/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 73.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 30 MB | 46 MB |
| Requires iOS | **11.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SK Tech Systems LLC](https://appshunter.io/developer/1507360388) | [Tarek Haddad Holdings INC](https://appshunter.io/developer/1621202713) |

## What reviewers say

### Simple Invoice Maker & Receipt

[App page](https://appshunter.io/ios/app/simple-invoice-maker-and-receipt/id1507360389)

Streamline your business finances by creating and sending professional invoices, estimates, and receipts. Manage inventory, track payments, and generate reports for easier tax filing. Get paid faster with integrated payment options.

**Highlights:** Create professional invoices, estimates, and receipts, Manage inventory with low stock reminders, Accept online and in-person payments, Track partial payments and deposits, Generate reports for bookkeeping and tax filing, Cloud-based data storage, Multi-currency and multi-language support

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $3.99 | per month |
| Sir Invoices Annually | $17.99 | per year |
| Buy additional companies | Free | one-time |
| Buy additional users | $99.99 | one-time |
| Lifetime | $99.99 | one-time |


### PetraCRM

[App page](https://appshunter.io/ios/app/petracrm/id1621202711)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Invoice Maker & Receipt free?

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

### Is PetraCRM free?

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

### Do Simple Invoice Maker & Receipt or PetraCRM have ads?

Neither Simple Invoice Maker & Receipt nor PetraCRM shows ads.

### Which is updated more often, Simple Invoice Maker & Receipt or PetraCRM?

Simple Invoice Maker & Receipt ships an update monthly, and PetraCRM every 3 weeks. Most recently, Simple Invoice Maker & Receipt was updated on October 24, 2026 and PetraCRM on October 30, 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.*