# Sidro Nautika vs WhoseUp

The clearest difference is in-app purchases: Sidro Nautika at none against WhoseUp's 1. Sidro Nautika also leads on iOS requirement (12.4 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. WhoseUp sells 1 one-off in-app purchase. Sidro Nautika asks for nothing beyond the download.

Sidro Nautika ships an update every 2 weeks, WhoseUp fortnightly. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Sidro Nautika | WhoseUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/whoseup/id6759379778/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Fortnightly |
| Monetization | — | Free with in-app purchases |
| Size | 19 MB | 12 MB |
| Requires iOS | **12.4** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Trackie.io](https://appshunter.io/developer/1746723099) | [Jimmy Park](https://appshunter.io/developer/1878353188) |

## What reviewers say

### Sidro Nautika

[App page](https://appshunter.io/ios/app/sidro-nautika/id6748887716)

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

**In-app purchases:** none


### WhoseUp

[App page](https://appshunter.io/ios/app/whoseup/id6759379778)

Effortlessly track who's next to pay for group expenses like coffee, lunches, or dinners. Create custom circles for different groups, log payments, and let the app automatically manage fair turn rotations. View payment history and confirm transactions for accountability.

**Highlights:** Fair turn tracking, Unlimited group circles, Payment statistics and history, Payment confirmation, Customizable group banners, Data export to CSV, Dark mode support

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Who's Paying Pro | $2.99 | one-time |


## Frequently asked questions

### Is Sidro Nautika free?

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

### Is WhoseUp free?

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

### Do Sidro Nautika or WhoseUp have ads?

Neither Sidro Nautika nor WhoseUp shows ads.

### Which is updated more often, Sidro Nautika or WhoseUp?

Sidro Nautika ships an update every 2 weeks, and WhoseUp fortnightly. Most recently, Sidro Nautika was updated on October 2, 2026 and WhoseUp on October 11, 2026.

---

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