# Base PRO vs CentiMinute

The clearest difference is in-app purchases: Base PRO at none against CentiMinute's 1. Base PRO also leads on device support (4 vs 2) and iOS requirement (12 vs 18.4). CentiMinute's advantage is update cadence (monthly vs every 4 months). On price and ads there is nothing between them.

Both are free to download. CentiMinute sells 1 one-off in-app purchase. Base PRO asks for nothing beyond the download.

Base PRO ships an update every 4 months, CentiMinute monthly. The most recent releases landed on October 6, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Base PRO | CentiMinute |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Paid | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **12** | 18.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Nic Kolbe](https://appshunter.io/developer/512550641) | [Darren Maxwell](https://appshunter.io/developer/336341197) |

## 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


### CentiMinute

[App page](https://appshunter.io/ios/app/centiminute/id6745744981)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CentiMinute Plus | $0.99 | one-time |


## Frequently asked questions

### Is Base PRO free?

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

### Is CentiMinute free?

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

### Do Base PRO or CentiMinute have ads?

Neither Base PRO nor CentiMinute shows ads.

### Which is updated more often, Base PRO or CentiMinute?

Base PRO ships an update every 4 months, and CentiMinute monthly. Most recently, Base PRO was updated on October 6, 2026 and CentiMinute on September 27, 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.*