# Simplio Invoice Generator vs Cortez Gas

The clearest difference is in-app purchases: Cortez Gas at none against Simplio Invoice Generator's 3. Cortez Gas also leads on iOS requirement (12.2 vs 18.5). Simplio Invoice Generator's advantage is update cadence (every 3 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Both are free to download. Simplio Invoice Generator sells 3 in-app purchases, starting at $2.99 per 7 days. Cortez Gas asks for nothing beyond the download.

Simplio Invoice Generator ships an update every 3 weeks, Cortez Gas every 5 months. Both last shipped on October 10, 2026.

## The numbers

| Metric | Simplio Invoice Generator | Cortez Gas |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/simplio-invoice-generator/id6746767938/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 57 MB |
| Requires iOS | 18.5 | **12.2** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Bahattin Duran](https://appshunter.io/developer/1677311418) | [Rural Computer Consultants, Inc.](https://appshunter.io/developer/640795441) |

## What reviewers say

### Simplio Invoice Generator

[App page](https://appshunter.io/ios/app/simplio-invoice-generator/id6746767938)

Quickly generate professional PDF invoices with customizable templates, branding, and payment details. Save client information for reuse and share invoices directly from your device. Offers offline functionality and a privacy-focused approach.

**Highlights:** Professional invoice templates, Customizable branding and contact details, Line item details with tax and discounts, Multi-currency and payment term support, Client directory for reuse, Offline PDF export and sharing, Recurring invoices and status tracking (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $2.99 | per 7 days |
| Pro Monthly | $6.99 | per month |
| Pro Annual | $29.99 | per year |


### Cortez Gas

[App page](https://appshunter.io/ios/app/cortez-gas/id6747395987)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Simplio Invoice Generator free?

Simplio Invoice Generator is free to download, with in-app purchases available.

### Is Cortez Gas free?

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

### Do Simplio Invoice Generator or Cortez Gas have ads?

Neither Simplio Invoice Generator nor Cortez Gas shows ads.

### Which is updated more often, Simplio Invoice Generator or Cortez Gas?

Simplio Invoice Generator ships an update every 3 weeks, and Cortez Gas every 5 months. Most recently, Simplio Invoice Generator was updated on October 10, 2026 and Cortez Gas on October 10, 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.*