# Base PRO vs Weeknum

The clearest difference is in-app purchases: Base PRO at none against Weeknum's 2. Base PRO also leads on iOS requirement (12 vs 17.0). Weeknum's advantage is update cadence (weekly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Weeknum sells 2 in-app purchases, starting at $0.49 per month. Base PRO asks for nothing beyond the download.

Base PRO ships an update every 4 months, Weeknum weekly. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Base PRO | Weeknum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Paid | — |
| Size | 9 MB | 2 MB |
| Requires iOS | **12** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Nic Kolbe](https://appshunter.io/developer/512550641) | [Nadezhda Rozhina](https://appshunter.io/developer/1812121401) |

## 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


### Weeknum

[App page](https://appshunter.io/ios/app/weeknum/id6749211927)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Widget Month | $0.49 | per month |
| Widget Pro | $3.99 | per year |


## Frequently asked questions

### Is Base PRO free?

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

### Is Weeknum free?

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

### Do Base PRO or Weeknum have ads?

Neither Base PRO nor Weeknum shows ads.

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

Base PRO ships an update every 4 months, and Weeknum weekly. Most recently, Base PRO was updated on October 6, 2026 and Weeknum on October 9, 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.*