# Billdu vs EventTool Check

The clearest difference is in-app purchases: EventTool Check at none against Billdu's 11. EventTool Check also leads on iOS requirement (11.0 vs 17.0). Billdu's advantage is update cadence (every 2 weeks vs every 6 months) and chart position (#59 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. Billdu sells 10 in-app purchases, starting at $7.99 per month. EventTool Check asks for nothing beyond the download.

Billdu ships an update every 2 weeks, EventTool Check every 6 months. The most recent releases landed on September 26, 2026 and March 25, 2026 respectively.

## The numbers

| Metric | Billdu | EventTool Check |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26K ratings)](https://appshunter.io/ios/app/billdu-invoice-estimate-maker/id527885754/reviews)** | — |
| Number of ratings | **26K** | — |
| Positive reviews | 89.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#59** | — |
| Size | 205 MB | 24 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BILLDU LTD](https://appshunter.io/developer/501173313) | [KBC Global Services NV](https://appshunter.io/developer/458066757) |

## What reviewers say

### Billdu

[App page](https://appshunter.io/ios/app/billdu-invoice-estimate-maker/id527885754)

**Currently charting:** #59 Top Grossing · Business (US App Store)

Create professional invoices and estimates quickly for your small business. This app helps you get paid faster with online payment options, track expenses by scanning receipts, and manage clients and inventory. It's designed for freelancers and contractors to maintain a professional image and streamline billing.

**Highlights:** Customizable invoice templates, Instant estimates and invoices, Online payment processing, Receipt scanning for expense tracking, Client and inventory management, Multi-device synchronization

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LITE - 1 month | $7.99 | per month |
| STANDARD (Month) | $14.99 | per month |
| STANDARD - 1 month | $14.99 | per month |
| STANDARD - 1 month | $14.99 | per month |
| PREMIUM (Month) | $27.99 | per month |
| PREMIUM - 1 month | $27.99 | per month |
| 24 invoices | $59.99 | per year |
| STARTER (Year) | $59.99 | per year |
| STANDARD (Year) | $119.99 | per year |
| STANDARD - 12 months | $119.99 | per year |

**What reviewers like**

- 🚀 Easy to use
- 📊 Helpful business features
- 🖼️ Professional-looking invoices
- 🕰️ Time-saving
- 💻 Seamless mobile experience

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔍 Limited customization options
- 💳 Billing/payment issues
- 🕰️ Slow customer support response

**Reported bugs**

- Invoices not being received by clients
- Inconsistent invoice numbering
- Inability to save draft estimates

**Requested features**

- Improved date/time handling
- Ability to transfer data between businesses
- More customization options for invoices
- Integrated payment processing
- Enhanced reporting and analytics


### EventTool Check

[App page](https://appshunter.io/ios/app/eventtool-check/id1178294729)

**In-app purchases:** none


## Frequently asked questions

### Is Billdu free?

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

### Is EventTool Check free?

EventTool Check is free to download, with no in-app purchases.

### Do Billdu or EventTool Check have ads?

Neither Billdu nor EventTool Check shows ads.

### Which is updated more often, Billdu or EventTool Check?

Billdu ships an update every 2 weeks, and EventTool Check every 6 months. Most recently, Billdu was updated on September 26, 2026 and EventTool Check on March 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.*