# Book Thickness Calculator vs Dubsado

The clearest difference is price: Dubsado at Free against Book Thickness Calculator's $0.99. Dubsado also leads on update cadence (every 5 weeks vs every 37 months). Book Thickness Calculator's advantage is iOS requirement (8.1 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Dubsado is free to download; Book Thickness Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Book Thickness Calculator ships an update every 37 months, Dubsado every 5 weeks. The most recent releases landed on May 16, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Book Thickness Calculator | Dubsado |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.8 (581 ratings)](https://appshunter.io/ios/app/dubsado/id6447585549/reviews)** |
| Number of ratings | — | **581** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 37 months | **Every 5 weeks** |
| Monetization | — | Subscription |
| Size | 2 MB | 92 MB |
| Requires iOS | **8.1** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Breede](https://appshunter.io/developer/414696754) | [Dubsado](https://appshunter.io/developer/1681870913) |

## What reviewers say

### Book Thickness Calculator

[App page](https://appshunter.io/ios/app/book-thickness-calculator/id459990015)

**Features:** macOS Compatibility

**In-app purchases:** none


### Dubsado

[App page](https://appshunter.io/ios/app/dubsado/id6447585549)

Manage your business operations from anywhere with this mobile app. It allows you to send invoices, accept payments, track projects, and communicate with clients. Stay organized and productive on the go with essential business management tools.

**Highlights:** Build and send invoices, Accept in-person payments, Push notifications for alerts, Send and receive project emails, Manage leads and projects, View client data and appointments

**In-app purchases:** none

**What reviewers like**

- 👍 Intuitive and user-friendly interface
- 🚀 Streamlines business workflows and automation
- 📱 Enables work from anywhere on mobile
- 🔒 Centralizes business documents and contracts
- ⚡ Saves significant time on administrative tasks

**What reviewers complain about**

- 🐛 App frequently fails to open or load
- 🐛 Crashes and glitches on Apple iPhone
- 🐛 Login form not functioning properly
- ♿ Accessibility issues with zoom/text enlargement
- ⚠️ Limited feature parity with desktop version

**Reported bugs**

- App won't open or loads indefinitely
- Login form fails to process
- Crashes on Apple iPhone devices
- Zoom display settings cause icon overlap
- Text enlargement settings not responsive

**Requested features**

- Update availability scheduling on app
- Access to more template features
- Email template insertion capability
- Notes feature
- Additional desktop feature parity


## Frequently asked questions

### Is Book Thickness Calculator free?

Book Thickness Calculator costs $0.99, with no in-app purchases.

### Is Dubsado free?

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

### Do Book Thickness Calculator or Dubsado have ads?

Neither Book Thickness Calculator nor Dubsado shows ads.

### Which is updated more often, Book Thickness Calculator or Dubsado?

Book Thickness Calculator ships an update every 37 months, and Dubsado every 5 weeks. Most recently, Book Thickness Calculator was updated on May 16, 2026 and Dubsado on October 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.*