# BüroWARE Mobile vs Solo Invoice

The clearest difference is price: BüroWARE Mobile at Free against Solo Invoice's $0.99. BüroWARE Mobile also leads on device support (3 vs 1) and iOS requirement (9.0 vs 17.0). Solo Invoice's advantage is update cadence (every 2 weeks vs every 5 months). On ads and in-app purchases there is nothing between them.

BüroWARE Mobile is free to download; Solo Invoice costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BüroWARE Mobile ships an update every 5 months, Solo Invoice every 2 weeks. The most recent releases landed on October 26, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | BüroWARE Mobile | Solo Invoice |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 weeks** |
| Monetization | — | Paid |
| Size | 9 MB | 4 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mobileObjects GmbH (DE)](https://appshunter.io/developer/520788222) | [Daisuke Yamaguchi](https://appshunter.io/developer/880950899) |

## What reviewers say

### BüroWARE Mobile

[App page](https://appshunter.io/ios/app/buroware-mobile/id1001989529)

**In-app purchases:** none


### Solo Invoice

[App page](https://appshunter.io/ios/app/solo-invoice-invoice-maker/id6796195340)

Create quotes, delivery notes, invoices, and receipts with unlimited line items. This app is designed for sole proprietors and freelancers, keeping all your data securely on your device without requiring an account or cloud storage.

**Highlights:** Unlimited line items, Four document types (quote, invoice, receipt, delivery note), Offline data storage, Japanese Qualified Invoice System compliant, Customizable tax rates and rounding, Digital seal and logo placement

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

**In-app purchases:** none


## Frequently asked questions

### Is BüroWARE Mobile free?

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

### Is Solo Invoice free?

Solo Invoice costs $0.99, with no in-app purchases.

### Do BüroWARE Mobile or Solo Invoice have ads?

Neither BüroWARE Mobile nor Solo Invoice shows ads.

### Which is updated more often, BüroWARE Mobile or Solo Invoice?

BüroWARE Mobile ships an update every 5 months, and Solo Invoice every 2 weeks. Most recently, BüroWARE Mobile was updated on October 26, 2026 and Solo Invoice on October 31, 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.*