# AppBox Pro vs Unvigintuple Calc

The clearest difference is in-app purchases: Unvigintuple Calc at none against AppBox Pro's 7. Unvigintuple Calc also leads on iOS requirement (15.8.3 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. AppBox Pro sells 7 in-app purchases, starting at $0.99 per month. Unvigintuple Calc asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 9, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AppBox Pro | Unvigintuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (232 ratings)](https://appshunter.io/ios/app/appbox-pro/id318404385/reviews)** | — |
| Number of ratings | **232** | — |
| Positive reviews | 54.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 609 MB | 36 MB |
| Requires iOS | 18.0 | **15.8.3** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AllAboutApps](https://appshunter.io/developer/307094026) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### AppBox Pro

[App page](https://appshunter.io/ios/app/appbox-pro/id318404385)

This app offers a comprehensive suite of 28 tools, including calculators, converters, and utilities for daily tasks. Securely store sensitive information, manage budgets, track calendars, and access a wide range of conversion and calculation functions.

**Highlights:** Customizable home screen and themes, Secure data storage with passcode, Budget and checklist management, Multiple calendar tracking, Extensive currency and unit conversion, Basic and scientific calculators, Device information and flashlight

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ads Free Pass | $0.99 | per month |
| Extra Pass | $1.99 | per month |
| Full Pass | $2.49 | per month |
| Ads Free Pass | $5.99 | per year |
| Extra Pass | $12.99 | per year |
| Full Pass | $17.99 | per year |
| Remove Ads | $4.99 | one-time |

**What reviewers like**

- 🌟 Swiss Army knife of apps
- 👍 Useful and feature-rich
- 🕰️ Longtime user satisfaction
- 💻 Reliable and dependable
- 🔐 Secure wallet feature

**What reviewers complain about**

- 🙄 Ads in paid version
- 🐛 Crashes and bugs
- 🤯 Confusing UI changes
- 🔒 Lost data and passwords
- 🤔 Subscription model changes

**Reported bugs**

- Wallet data disappearing
- App freezing and crashing
- Incorrect data/unit conversions
- Calendar/date features not working
- Syncing and backup issues

**Requested features**

- Disable sound effects
- Export data to other formats
- Improve date/calendar features
- Add more clock/widget options
- Provide better customer support


### Unvigintuple Calc

[App page](https://appshunter.io/ios/app/unvigintuple-calc/id6742525694)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is AppBox Pro free?

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

### Is Unvigintuple Calc free?

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

### Do AppBox Pro or Unvigintuple Calc have ads?

Both AppBox Pro and Unvigintuple Calc show ads.

### Which is updated more often, AppBox Pro or Unvigintuple Calc?

AppBox Pro ships an update every 2 weeks, and Unvigintuple Calc every 2 weeks. Most recently, AppBox Pro was updated on October 9, 2026 and Unvigintuple Calc on September 30, 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.*