# Billdu vs Contracks

The clearest difference is in-app purchases: Contracks at none against Billdu's 11. Contracks also leads on iOS requirement (12.0 vs 17.0). Billdu's advantage is update cadence (every 2 weeks vs every 2 months) and chart position (#70 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. Contracks asks for nothing beyond the download.

Billdu ships an update every 2 weeks, Contracks every 2 months. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Billdu | Contracks |
| --- | --- | --- |
| 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 | 89.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#70** | — |
| Size | 207 MB | 82 MB |
| Requires iOS | 17.0 | **12.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BILLDU LTD](https://appshunter.io/developer/501173313) | [Emaster](https://appshunter.io/developer/1570824264) |

## What reviewers say

### Billdu

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

**Currently charting:** #70 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


### Contracks

[App page](https://appshunter.io/ios/app/contracks/id1576472312)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Billdu free?

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

### Is Contracks free?

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

### Do Billdu or Contracks have ads?

Neither Billdu nor Contracks shows ads.

### Which is updated more often, Billdu or Contracks?

Billdu ships an update every 2 weeks, and Contracks every 2 months. Most recently, Billdu was updated on October 25, 2026 and Contracks on October 4, 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.*