# WeoInvoice vs FlatPrice

The clearest difference is in-app purchases: WeoInvoice at none against FlatPrice's 1. FlatPrice's advantage is iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. FlatPrice sells 1 in-app purchase, starting at $17.99 per month. WeoInvoice asks for nothing beyond the download.

WeoInvoice ships an update every 3 weeks, FlatPrice monthly. The most recent releases landed on October 30, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | WeoInvoice | FlatPrice |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Size | 40 MB | 43 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [WEO LDA](https://appshunter.io/developer/1536598658) | [Bruno Maestrini](https://appshunter.io/developer/1567634310) |

## What reviewers say

### WeoInvoice

[App page](https://appshunter.io/ios/app/weoinvoice/id6752295668)

**Features:** macOS Compatibility

**In-app purchases:** none


### FlatPrice

[App page](https://appshunter.io/ios/app/flatprice/id6758944682)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlatPrice | $17.99 | per month |


## Frequently asked questions

### Is WeoInvoice free?

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

### Is FlatPrice free?

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

### Do WeoInvoice or FlatPrice have ads?

Neither WeoInvoice nor FlatPrice shows ads.

### Which is updated more often, WeoInvoice or FlatPrice?

WeoInvoice ships an update every 3 weeks, and FlatPrice monthly. Most recently, WeoInvoice was updated on October 30, 2026 and FlatPrice on November 9, 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.*