# Paribus Calculator vs Boat 3D

The clearest difference is in-app purchases: Boat 3D at none against Paribus Calculator's 2. Boat 3D also leads on iOS requirement (10 vs 13.4). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Paribus Calculator sells 2 one-off in-app purchases. Boat 3D asks for nothing beyond the download.

Paribus Calculator ships an update every 9 months, Boat 3D every 6 months. The most recent releases landed on November 1, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Paribus Calculator | Boat 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/paribus-calculator/id780896618/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 6 months** |
| Monetization | Free | — |
| Size | 3 MB | 165 MB |
| Requires iOS | 13.4 | **10** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adam Solesby](https://appshunter.io/developer/780896621) | [Promotive](https://appshunter.io/developer/763695682) |

## What reviewers say

### Paribus Calculator

[App page](https://appshunter.io/ios/app/paribus-calculator/id780896618)

This app combines the functionality of a calculator and a spreadsheet, allowing users to perform complex calculations and model scenarios on their mobile devices. It offers features like goal seeking, version comparison, and easy sharing of results.

**Highlights:** Streamlined pocket spreadsheet, Goal seeking with value dial, Compare alternate calculation versions, Natural language and quick entry keyboard, Share results via email and AirDrop, Built-in templates library

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Paribus PRO Year | $1.99 | one-time |
| Upgrade to Paribus PRO | $4.99 | one-time |


### Boat 3D

[App page](https://appshunter.io/ios/app/boat-3d/id1436628880)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Paribus Calculator free?

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

### Is Boat 3D free?

Boat 3D is free to download, with no in-app purchases.

### Do Paribus Calculator or Boat 3D have ads?

Neither Paribus Calculator nor Boat 3D shows ads.

### Which is updated more often, Paribus Calculator or Boat 3D?

Paribus Calculator ships an update every 9 months, and Boat 3D every 6 months. Most recently, Paribus Calculator was updated on November 1, 2026 and Boat 3D on October 26, 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.*