# GroupsPro vs Solo Invoice

The clearest difference is review sentiment: Solo Invoice at 100% against GroupsPro's 29%. Solo Invoice also leads on update cadence (weekly vs every 2 months) and price ($0.99 vs $1.99). GroupsPro's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and monetization model there is nothing between them.

GroupsPro costs $1.99 and Solo Invoice $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GroupsPro ships an update every 2 months, Solo Invoice weekly. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | GroupsPro | Solo Invoice |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/groupspro/id438943571/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 28.9% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 7 MB | 4 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Demodit GmbH](https://appshunter.io/developer/340785814) | [Daisuke Yamaguchi](https://appshunter.io/developer/880950899) |

## What reviewers say

### GroupsPro

[App page](https://appshunter.io/ios/app/groupspro/id438943571)

Organize contacts into groups and create flexible mailing lists for mass SMS and email. Send files and photos with emails, search contacts efficiently, and export data to Excel or CSV. Protect your data with passcode or biometric authentication.

**Highlights:** Create and modify contact groups, Assign contacts to groups, Create and modify mailing lists, Send files and photos via email, Export contacts to Excel/CSV, Passcode/biometric access protection, Transfer lists via Bluetooth

**Features:** Vision Pro support

**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 GroupsPro free?

GroupsPro costs $1.99, with no in-app purchases.

### Is Solo Invoice free?

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

### Do GroupsPro or Solo Invoice have ads?

Neither GroupsPro nor Solo Invoice shows ads.

### Which is updated more often, GroupsPro or Solo Invoice?

GroupsPro ships an update every 2 months, and Solo Invoice weekly. Most recently, GroupsPro was updated on October 16, 2026 and Solo Invoice on October 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*