# Base PRO vs Triangle Area Calculator Pro

The clearest difference is price: Base PRO at Free against Triangle Area Calculator Pro's $1.99. Base PRO also leads on update cadence (every 4 months vs every 38 months) and iOS requirement (12 vs 14.2). On ads, in-app purchases and device support there is nothing between them.

Base PRO is free to download; Triangle Area Calculator Pro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Base PRO ships an update every 4 months, Triangle Area Calculator Pro every 38 months. The most recent releases landed on October 6, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Base PRO | Triangle Area Calculator Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 38 months |
| Monetization | Paid | — |
| Size | 9 MB | 0 MB |
| Requires iOS | **12** | 14.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nic Kolbe](https://appshunter.io/developer/512550641) | [Anna Filobok](https://appshunter.io/developer/1613515832) |

## What reviewers say

### Base PRO

[App page](https://appshunter.io/ios/app/base-pro/id1482739496)

This app simplifies base conversions from Base 2 to Base 20 with precision and clarity. It offers interactive visual explanations of number systems, making it ideal for students and educators learning computer science and digital computation.

**Highlights:** Base conversions (2-20), Precision and clarity, Visual Flow Function, Interactive learning, Full-screen mode, Adjustable sizing

**Features:** Vision Pro support

**In-app purchases:** none


### Triangle Area Calculator Pro

[App page](https://appshunter.io/ios/app/triangle-area-calculator-pro/id1568248433)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Base PRO free?

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

### Is Triangle Area Calculator Pro free?

Triangle Area Calculator Pro costs $1.99, with no in-app purchases.

### Do Base PRO or Triangle Area Calculator Pro have ads?

Neither Base PRO nor Triangle Area Calculator Pro shows ads.

### Which is updated more often, Base PRO or Triangle Area Calculator Pro?

Base PRO ships an update every 4 months, and Triangle Area Calculator Pro every 38 months. Most recently, Base PRO was updated on October 6, 2026 and Triangle Area Calculator Pro on September 25, 2026.

---

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