# Contapp vs Simple Invoice Maker

The clearest difference is in-app purchases: Contapp at none against Simple Invoice Maker's 6. Contapp also leads on iOS requirement (15 vs 17.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Simple Invoice Maker sells 6 in-app purchases, starting at $2.49 per 7 days. Contapp asks for nothing beyond the download.

Contapp ships an update monthly, Simple Invoice Maker every 3 weeks. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Contapp | Simple Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (16 ratings)](https://appshunter.io/ios/app/simple-invoice-maker-app/id6744615820/reviews)** |
| Number of ratings | — | **16** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 71 MB | 43 MB |
| Requires iOS | **15** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LEOPOLDO RINCON](https://appshunter.io/developer/1569239949) | [Bivis](https://appshunter.io/developer/1124507805) |

## What reviewers say

### Contapp

[App page](https://appshunter.io/ios/app/contapp-digital-lite/id1579962947)

**Features:** macOS Compatibility

**In-app purchases:** none


### Simple Invoice Maker

[App page](https://appshunter.io/ios/app/simple-invoice-maker-app/id6744615820)

Effortlessly create and send professional invoices and estimates. Customize templates with your branding, track payments, and manage client details. Ideal for freelancers and small businesses seeking to streamline their billing process and get paid faster.

**Highlights:** Create invoices and estimates, Share via email, SMS, or print, Customize templates with logo/colors, Track payment status, Convert estimates to invoices, Manage multiple businesses, Offline access

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Maker Weekly | $2.49 | per 7 days |
| Invoice Maker Monthly | $4.99 | per month |
| Invoice Maker Weekly | $4.99 | per 7 days |
| Invoice Maker Monthly | $8.99 | per month |
| Invoice Maker Annual | $49.99 | per year |
| Invoice Maker Annual | $79.99 | per year |


## Frequently asked questions

### Is Contapp free?

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

### Is Simple Invoice Maker free?

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

### Do Contapp or Simple Invoice Maker have ads?

Neither Contapp nor Simple Invoice Maker shows ads.

### Which is updated more often, Contapp or Simple Invoice Maker?

Contapp ships an update monthly, and Simple Invoice Maker every 3 weeks. Most recently, Contapp was updated on September 30, 2026 and Simple Invoice Maker on October 14, 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.*