# Invoice Book vs RAF Express

The clearest difference is in-app purchases: RAF Express at none against Invoice Book's 2. RAF Express also leads on update cadence (every 4 months vs every 33 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Invoice Book sells 2 in-app purchases, starting at $1.99 per month. RAF Express asks for nothing beyond the download.

Invoice Book ships an update every 33 months, RAF Express every 4 months. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Invoice Book | RAF Express |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (6 ratings)](https://appshunter.io/ios/app/invoice-book/id1444718388/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 4 months** |
| Monetization | Freemium | — |
| Size | 16 MB | 10 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [smoothbalance ltd](https://appshunter.io/developer/1155474273) | [Frontier Force Technology](https://appshunter.io/developer/536076063) |

## What reviewers say

### Invoice Book

[App page](https://appshunter.io/ios/app/invoice-book/id1444718388)

Streamline invoicing, payments, and accounting for small businesses with this user-friendly app. Create professional, customizable invoices, track payments, and manage clients efficiently. It simplifies bookkeeping and tax compliance with cloud-based features and global payment options.

**Highlights:** Mobile invoicing, Customizable templates, Invoice tracking, Cloud accounting, Client database, Global payments, CSV report export

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |
| Yearly Subscription | $14.99 | per year |


### RAF Express

[App page](https://appshunter.io/ios/app/raf-express/id6456266154)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice Book free?

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

### Is RAF Express free?

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

### Do Invoice Book or RAF Express have ads?

Neither Invoice Book nor RAF Express shows ads.

### Which is updated more often, Invoice Book or RAF Express?

Invoice Book ships an update every 33 months, and RAF Express every 4 months. Most recently, Invoice Book was updated on October 24, 2026 and RAF Express on October 13, 2026.

---

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