# Billdu vs Estimate Invoice Maker App

The clearest difference is chart position: Billdu at #64 against Estimate Invoice Maker App's unranked. Billdu also leads on device support (3 vs 1). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Billdu sells 10 in-app purchases, starting at $7.99 per month and Estimate Invoice Maker App sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Billdu ships an update every 2 weeks, Estimate Invoice Maker App every 9 days. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Billdu | Estimate Invoice Maker App |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#64** | — |
| Size | 205 MB | 9 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [BILLDU LTD](https://appshunter.io/developer/501173313) | [Ralph Haville](https://appshunter.io/developer/1783115557) |

## What reviewers say

### Billdu

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

**Currently charting:** #64 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


### Estimate Invoice Maker App

[App page](https://appshunter.io/ios/app/estimate-invoice-maker-app/id6747536814)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EstimateMaker Pro Monthly | $2.99 | per month |


## Frequently asked questions

### Is Billdu free?

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

### Is Estimate Invoice Maker App free?

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

### Do Billdu or Estimate Invoice Maker App have ads?

Neither Billdu nor Estimate Invoice Maker App shows ads.

### Which is updated more often, Billdu or Estimate Invoice Maker App?

Billdu ships an update every 2 weeks, and Estimate Invoice Maker App every 9 days. Most recently, Billdu was updated on September 25, 2026 and Estimate Invoice Maker App on September 18, 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.*