# BIG CALCULATOR. vs Trivigintuple Calc

The clearest difference is in-app purchases: Trivigintuple Calc at none against BIG CALCULATOR.'s 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BIG CALCULATOR. sells 1 in-app purchase, starting at $2.99 per year. Trivigintuple Calc asks for nothing beyond the download.

BIG CALCULATOR. ships an update every 3 weeks, Trivigintuple Calc every 2 weeks. The most recent releases landed on October 26, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BIG CALCULATOR. | Trivigintuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (63 ratings)](https://appshunter.io/ios/app/big-calculator/id1114392920/reviews)** | — |
| Number of ratings | **63** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 13 MB | 36 MB |
| Requires iOS | **15.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adysseus](https://appshunter.io/developer/447444997) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### BIG CALCULATOR.

[App page](https://appshunter.io/ios/app/big-calculator/id1114392920)

This utility app offers a straightforward and visually clear calculator experience, ideal for users of all ages. Its large numbers and dark interface enhance readability, while landscape mode support on iPhones and iPads provides added convenience.

**Highlights:** Large numbers for easy viewing, Simple and easy-to-see interface, Landscape mode support, Dark UI for eye comfort, Suitable for all ages

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Big Calculator Plus | $2.99 | per year |


### Trivigintuple Calc

[App page](https://appshunter.io/ios/app/trivigintuple-calc/id6742525963)

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

**In-app purchases:** none


## Frequently asked questions

### Is BIG CALCULATOR. free?

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

### Is Trivigintuple Calc free?

Trivigintuple Calc is free to download, with no in-app purchases.

### Do BIG CALCULATOR. or Trivigintuple Calc have ads?

Both BIG CALCULATOR. and Trivigintuple Calc show ads.

### Which is updated more often, BIG CALCULATOR. or Trivigintuple Calc?

BIG CALCULATOR. ships an update every 3 weeks, and Trivigintuple Calc every 2 weeks. Most recently, BIG CALCULATOR. was updated on October 26, 2026 and Trivigintuple Calc on October 15, 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.*