# ROG vs Billinger

The clearest difference is in-app purchases: ROG at none against Billinger's 3. ROG also leads on update cadence (weekly vs every 3 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Billinger sells 3 in-app purchases, starting at $2.99 per 7 days. ROG asks for nothing beyond the download.

ROG ships an update weekly, Billinger every 3 weeks. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ROG | Billinger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (18 ratings)](https://appshunter.io/ios/app/billinger-invoice-maker/id6773442225/reviews)** |
| Number of ratings | — | **18** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 27 MB |
| Requires iOS | **14.0.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [REZNIC INFRASTRUCTURE SYSTEMS (1995) LTD](https://appshunter.io/developer/1677924077) | [Meri Arakelyan](https://appshunter.io/developer/6773442227) |

## What reviewers say

### ROG

[App page](https://appshunter.io/ios/app/rog-tech-personal-assistant/id6467116156)

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

**In-app purchases:** none


### Billinger

[App page](https://appshunter.io/ios/app/billinger-invoice-maker/id6773442225)

Create professional invoices quickly and easily. Manage clients, track payments, and generate polished PDF invoices with customizable designs. Ideal for freelancers and small businesses seeking to streamline their billing process and maintain organization.

**Highlights:** Create professional invoices quickly, Generate and export PDF invoices, Manage clients and business profiles, Track paid, unpaid, and overdue invoices, Save products and services for faster invoicing, Customize invoice styles and appearance, View reports and business insights

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Billinger Weekly Pro | $2.99 | per 7 days |
| Billinger Monthly Pro | $7.99 | per month |
| Billinger Yearly Pro | $39.99 | per year |


## Frequently asked questions

### Is ROG free?

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

### Is Billinger free?

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

### Do ROG or Billinger have ads?

Neither ROG nor Billinger shows ads.

### Which is updated more often, ROG or Billinger?

ROG ships an update weekly, and Billinger every 3 weeks. Most recently, ROG was updated on October 9, 2026 and Billinger on October 15, 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.*