# InvoiceXpress vs SoleBooks

The clearest difference is iOS requirement: InvoiceXpress at 15.0 against SoleBooks's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. InvoiceXpress sells 6 in-app purchases, starting at $3.99 per month and SoleBooks sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

InvoiceXpress ships an update every 2 weeks, SoleBooks every 6 days. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | InvoiceXpress | SoleBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/invoicexpress/id6449581086/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 105 MB | 28 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [appMasters Inc.](https://appshunter.io/developer/1689711931) | [Ruane Design](https://appshunter.io/developer/464758087) |

## What reviewers say

### InvoiceXpress

[App page](https://appshunter.io/ios/app/invoicexpress/id6449581086)

Streamline invoicing and quotations for small to medium-sized businesses. Manage multiple businesses, send bulk emails, and generate comprehensive financial reports with an intuitive interface and robust security.

**Highlights:** Multi-business support, Bulk email functionality, Comprehensive reporting, Intuitive user interface, Advanced encryption security, 24/7 customer support

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $3.99 | per month |
| Premium Access | $6.99 | per month |
| Monthly Pro Access | $9.99 | per month |
| Premium Access | $39.99 | per year |
| Premium Access | $69.99 | per year |
| Annual Pro Access | $99.99 | per year |


### SoleBooks

[App page](https://appshunter.io/ios/app/solebooks-invoice-maker/id6777721951)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SoleBooks Pro Monthly | $9.99 | per month |
| SoleBooks Pro Yearly | $89.99 | per year |


## Frequently asked questions

### Is InvoiceXpress free?

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

### Is SoleBooks free?

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

### Do InvoiceXpress or SoleBooks have ads?

Neither InvoiceXpress nor SoleBooks shows ads.

### Which is updated more often, InvoiceXpress or SoleBooks?

InvoiceXpress ships an update every 2 weeks, and SoleBooks every 6 days. Most recently, InvoiceXpress was updated on October 18, 2026 and SoleBooks on October 25, 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.*