# Orbitron Fleet vs Invoice Generator

The clearest difference is in-app purchases: Orbitron Fleet at none against Invoice Generator's 5. Orbitron Fleet also leads on iOS requirement (11.0 vs 16). Invoice Generator's advantage is update cadence (every 3 weeks vs every 16 months). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Generator sells 5 in-app purchases, starting at $7.99 per 7 days. Orbitron Fleet asks for nothing beyond the download.

Orbitron Fleet ships an update every 16 months, Invoice Generator every 3 weeks. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Orbitron Fleet | Invoice Generator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (37 ratings)](https://appshunter.io/ios/app/invoice-generator-sim-invoice/id6748570905/reviews)** |
| Number of ratings | — | **37** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 164 MB |
| Requires iOS | **11.0** | 16 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ORBITRON TECHNOLOGY SDN BHD](https://appshunter.io/developer/1519931456) | [SimX](https://appshunter.io/developer/1795269960) |

## What reviewers say

### Orbitron Fleet

[App page](https://appshunter.io/ios/app/orbitron-fleet/id1534107832)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Generator

[App page](https://appshunter.io/ios/app/invoice-generator-sim-invoice/id6748570905)

Create professional invoices, estimates, and quotes quickly and easily. Manage payments and expenses on the go with a user-friendly interface. Ideal for freelancers and small businesses needing efficient financial document management.

**Highlights:** Create invoices, estimates, and quotes, Customizable receipt and bill templates, Built-in expense tracker, Professional designs, Offline functionality, Export as PDF or share instantly

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sim Invoice Pro Plan | $7.99 | per 7 days |
| Sim Invoice Pro Plan | $7.99 | per 7 days |
| Sim Invoice Pro Plan | $99.99 | per year |
| Sim Invoice Pro Plan | $99.99 | per year |
| Sim Invoice Pro Plan | $99.99 | per year |


## Frequently asked questions

### Is Orbitron Fleet free?

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

### Is Invoice Generator free?

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

### Do Orbitron Fleet or Invoice Generator have ads?

Neither Orbitron Fleet nor Invoice Generator shows ads.

### Which is updated more often, Orbitron Fleet or Invoice Generator?

Orbitron Fleet ships an update every 16 months, and Invoice Generator every 3 weeks. Most recently, Orbitron Fleet was updated on October 7, 2026 and Invoice Generator 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.*