# ProBooks vs Invoice 4all, Estimate Maker

The clearest difference is update cadence: ProBooks at weekly against Invoice 4all, Estimate Maker's every 2 months. ProBooks also leads on ratings volume (442 vs 70). Invoice 4all, Estimate Maker's advantage is iOS requirement (13.0 vs 15.1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. ProBooks sells 3 in-app purchases, starting at $4.99 per month and Invoice 4all, Estimate Maker sells 10 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for ProBooks against 4.7 for Invoice 4all, Estimate Maker. That said, the two scores are not equally well evidenced: ProBooks has 442 ratings behind it against 70, so its average is the more settled of the two. Written reviews are what separate them: 88% of ProBooks's written reviews are positive against 91% of Invoice 4all, Estimate Maker's.

ProBooks ships an update weekly, Invoice 4all, Estimate Maker every 2 months. Both last shipped on October 26, 2026.

## The numbers

| Metric | ProBooks | Invoice 4all, Estimate Maker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (442 ratings)](https://appshunter.io/ios/app/probooks-invoice-maker/id836090315/reviews)** | [4.7 (70 ratings)](https://appshunter.io/ios/app/invoice-4all-estimate-maker/id1023160207/reviews) |
| Number of ratings | **442** | 70 |
| Positive reviews | 87.9% of reviews | **90.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 61 MB | 25 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ProBooks](https://appshunter.io/developer/1760398888) | [GLOBALTEK SOLUTION UK LTD](https://appshunter.io/developer/1023160206) |

## What reviewers say

### ProBooks

[App page](https://appshunter.io/ios/app/probooks-invoice-maker/id836090315)

Create professional invoices and estimates in seconds with this app. It helps manage expenses, track payments, and send bills efficiently. Customize templates and accept various payment methods to streamline your business finances.

**Highlights:** Create invoices and estimates, Expense tracking and management, Customizable invoice templates, Recurring invoice setup, Payment processing, Receipt generation, Client signature capture

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $4.99 | per month |
| Unlock Everything | $49.99 | per year |
| AI Logo Pack | $4.99 | one-time |

**What reviewers like**

- 👍 User-friendly and intuitive interface
- 📱 Seamless cross-device syncing (iPhone, iPad, MacBook)
- 🎨 Professional and customizable invoice templates
- 💰 Affordable pricing with flexible subscription options
- ⚡ Quick and easy invoice creation process

**What reviewers complain about**

- 🐛 Data loss during app updates (critical issue)
- 📱 Mobile app has significant glitches and bugs
- 🔍 Search functionality doesn't find customers reliably
- ❌ Missing customer names in estimates tab
- 😞 Inconsistent customer service response times

**Reported bugs**

- Customer database deletion after forced updates
- All invoices and profile data disappearing
- Mobile app query doesn't find customers
- Estimates tab missing customer names
- App force logs out after leaving

**Requested features**

- Dark mode option
- Payment method quick options (Zelle, Venmo, Cash App)
- Horizontal/landscape mode support
- Automotive shop customization (make, model, year, VIN, license plate)
- Dashboard restoration or improvement


### Invoice 4all, Estimate Maker

[App page](https://appshunter.io/ios/app/invoice-4all-estimate-maker/id1023160207)

Create, send, and track invoices, estimates, and expenses on your mobile device. Keep your finances organized with secure cloud storage and automatic syncing across devices. Manage products, customers, and payments efficiently.

**Highlights:** Create and send invoices and estimates, Manage expenses and receipts, Add customers and products on the fly, Mark invoices as paid/unpaid, Search and email invoices/expenses, Professional invoice templates, Reverse Charge Invoice support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard - Monthly Renewable | $1.99 | per month |
| Enterprise- Monthly Renewable | $2.99 | per month |
| Ultimate - Monthly Renewable | $4.99 | per month |
| UltimatePlus Monthly Renewable | $6.99 | per month |
| Standard - Yearly Renewable | $14.99 | per year |
| Enterprise - Yearly Renewable | $29.99 | per year |
| Ultimate- Yearly Renewable | $49.99 | per year |
| UnlimitedPlus-Yearly Renewable | $79.99 | per year |
| Standard 1 Year Non Renewing | $7.99 | one-time |
| Enterprise 1 Year Non Renewing | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use and operate
- 💰 Cheapest and affordable
- 🚀 Efficient for organizing invoices
- 💡 Developers listen to requests
- 💬 Excellent customer support

**What reviewers complain about**

- 🐛 Email not working
- 🐛 Login issues
- 🐛 Date glitch on invoices
- 🐛 No receipt option
- 🐛 Server down issues

**Reported bugs**

- Email portion non-functional
- Cannot send emails to self or clients
- Server has been down for a week
- App will not let me log in
- Problem using email system for automatic copy

**Requested features**

- New invoice option that pops up blank
- Estimates able to transfer to invoicing
- Support for Spanish language
- Export contacts
- Save all settings


## Frequently asked questions

### Is ProBooks free?

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

### Is Invoice 4all, Estimate Maker free?

Invoice 4all, Estimate Maker is free to download, with in-app purchases available.

### Which has better reviews, ProBooks or Invoice 4all, Estimate Maker?

ProBooks is rated higher. ProBooks averages 4.8 out of 5 from 442 ratings, while Invoice 4all, Estimate Maker averages 4.7 from 70 ratings.

### Do ProBooks or Invoice 4all, Estimate Maker have ads?

Neither ProBooks nor Invoice 4all, Estimate Maker shows ads.

### Which is updated more often, ProBooks or Invoice 4all, Estimate Maker?

ProBooks ships an update weekly, and Invoice 4all, Estimate Maker every 2 months. Most recently, ProBooks was updated on October 26, 2026 and Invoice 4all, Estimate Maker on October 26, 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.*