# Billdu vs Service Tech Work Orders Plus

The clearest difference is price: Billdu at Free against Service Tech Work Orders Plus's $7.99. Billdu also leads on rating (4.8 vs 4.2) and update cadence (every 2 weeks vs every 3 months). Service Tech Work Orders Plus's advantage is iOS requirement (13.0 vs 17.0). On review sentiment, ads, in-app purchases and device support there is nothing between them.

Billdu is free to download; Service Tech Work Orders Plus costs $7.99 up front. Billdu sells 10 in-app purchases, starting at $7.99 per month and Service Tech Work Orders Plus sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Billdu holds the better App Store score, 4.8 against 4.2. That said, the two scores are not equally well evidenced: Billdu has 26K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 89% of Billdu's written reviews are positive against 82% of Service Tech Work Orders Plus's.

Billdu ships an update every 2 weeks, Service Tech Work Orders Plus every 3 months. The most recent releases landed on September 25, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Billdu | Service Tech Work Orders Plus |
| --- | --- | --- |
| Price | **Free** | $7.99 |
| Rating | **[4.8 (26K ratings)](https://appshunter.io/ios/app/billdu-invoice-estimate-maker/id527885754/reviews)** | [4.2 (13 ratings)](https://appshunter.io/ios/app/service-tech-work-orders-plus/id849337035/reviews) |
| Number of ratings | **26K** | 13 |
| Positive reviews | **89.3% of reviews** | 81.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | **#70** | — |
| Size | 205 MB | 124 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [BILLDU LTD](https://appshunter.io/developer/501173313) | [JZ Mobile LLC](https://appshunter.io/developer/390988405) |

## 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


### Service Tech Work Orders Plus

[App page](https://appshunter.io/ios/app/service-tech-work-orders-plus/id849337035)

Manage field service operations with this comprehensive app. Schedule appointments, create professional invoices and estimates, track client information, and analyze financial data. All your business management tools in one place, offline.

**Highlights:** Client-focused scheduling, Professional invoicing and estimates, Contact management with direct communication, Inventory and labor tracking, Profit & Loss analysis, Offline data storage, Customizable document formats

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Messages & Reminders | $3.99 | one-time |
| Estimates Bids & Quotes 2 | $3.99 | one-time |
| Scheduler | $3.99 | one-time |
| Auto Service Calls | $4.99 | one-time |
| Cloud Sync Secure Data Sharing | $6.99 | one-time |
| Profits Expenses & PDF Reports | $6.99 | one-time |
| All Productivity In-Apps | $9.99 | one-time |
| Monthly Statements | $14.99 | one-time |
| Craftsman NCE Cost Book | $14.99 | one-time |
| Mac User Full License | $19.99 | one-time |


## Frequently asked questions

### Is Billdu free?

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

### Is Service Tech Work Orders Plus free?

Service Tech Work Orders Plus costs $7.99, and also offers in-app purchases.

### Which has better reviews, Billdu or Service Tech Work Orders Plus?

Billdu is rated higher. Billdu averages 4.8 out of 5 from 26K ratings, while Service Tech Work Orders Plus averages 4.2 from 13 ratings.

### Do Billdu or Service Tech Work Orders Plus have ads?

Neither Billdu nor Service Tech Work Orders Plus shows ads.

### Which is updated more often, Billdu or Service Tech Work Orders Plus?

Billdu ships an update every 2 weeks, and Service Tech Work Orders Plus every 3 months. Most recently, Billdu was updated on September 25, 2026 and Service Tech Work Orders Plus on September 17, 2026.

---

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