# Calculator Smart vs Trivigintuple Calc

The clearest difference is in-app purchases: Trivigintuple Calc at none against Calculator Smart's 3. Trivigintuple Calc also leads on update cadence (every 2 weeks vs every 4 months). Calculator Smart's advantage is device support (6 vs 3) and iOS requirement (13.0 vs 15.8.3). On price and ads there is nothing between them.

Both are free to download. Calculator Smart sells 3 one-off in-app purchases. Trivigintuple Calc asks for nothing beyond the download.

Calculator Smart ships an update every 4 months, Trivigintuple Calc every 2 weeks. The most recent releases landed on October 11, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Calculator Smart | Trivigintuple Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (494 ratings)](https://appshunter.io/ios/app/calculator-smart/id698030968/reviews)** | — |
| Number of ratings | **494** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 24 MB | 36 MB |
| Requires iOS | **13.0** | 15.8.3 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Miroslav Otsedarski](https://appshunter.io/developer/450091139) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Calculator Smart

[App page](https://appshunter.io/ios/app/calculator-smart/id698030968)

This app offers a powerful and precise calculator for everyday math and advanced scientific computations. It features a clean interface with large buttons, supporting complex equations, multiple modes, and intuitive input methods. Personalize your experience with colorful skins and custom icons.

**Highlights:** 30+ scientific operations, Degrees and Radians support, Parentheses and nested equations, Intuitive input with slide-to-delete, Copy & Paste results, Apple Watch app and Lock Screen Widget, Colorful skins and custom icons

**Features:** Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Colorful Skins and Remove Ads | $1.99 | one-time |
| Colorful Skins | $1.99 | one-time |
| Colorful Skins for Mac app | $1.99 | one-time |


### 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 Calculator Smart free?

Calculator Smart 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 Calculator Smart or Trivigintuple Calc have ads?

Both Calculator Smart and Trivigintuple Calc show ads.

### Which is updated more often, Calculator Smart or Trivigintuple Calc?

Calculator Smart ships an update every 4 months, and Trivigintuple Calc every 2 weeks. Most recently, Calculator Smart was updated on October 11, 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.*