# TinyMath Simple Calculator vs Smart Adding Machine

The clearest difference is price: TinyMath Simple Calculator at Free against Smart Adding Machine's $3.99. Smart Adding Machine's advantage is in-app purchases (none vs 2). On update cadence, ads, device support and iOS requirement there is nothing between them.

TinyMath Simple Calculator is free to download; Smart Adding Machine costs $3.99 up front. TinyMath Simple Calculator sells 2 one-off in-app purchases. Smart Adding Machine asks for nothing beyond the download.

TinyMath Simple Calculator ships an update every 2 weeks, Smart Adding Machine every 3 weeks. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | TinyMath Simple Calculator | Smart Adding Machine |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | **[4.2 (12 ratings)](https://appshunter.io/ios/app/tinymath-simple-calculator/id1542442064/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 5 MB | 0 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Morgatov](https://appshunter.io/developer/1542442066) | [Harry Detrick](https://appshunter.io/developer/1698895959) |

## What reviewers say

### TinyMath Simple Calculator

[App page](https://appshunter.io/ios/app/tinymath-simple-calculator/id1542442064)

This minimalist calculator updates results as you type, displaying the full expression. It handles basic arithmetic, percentages, and parentheses without extra keys. Calculation history is automatically saved and easily accessible for editing or reuse.

**Highlights:** Calculates as you type, Full expression view, Automatic history saving, Parentheses without extra keys, Copy and paste functionality, Offline operation

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TinyMath Personal Premium | $2.99 | one-time |
| TinyMath Family Premium | $9.99 | one-time |


### Smart Adding Machine

[App page](https://appshunter.io/ios/app/smart-adding-machine/id6452400755)

**In-app purchases:** none


## Frequently asked questions

### Is TinyMath Simple Calculator free?

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

### Is Smart Adding Machine free?

Smart Adding Machine costs $3.99, with no in-app purchases.

### Do TinyMath Simple Calculator or Smart Adding Machine have ads?

Neither TinyMath Simple Calculator nor Smart Adding Machine shows ads.

### Which is updated more often, TinyMath Simple Calculator or Smart Adding Machine?

TinyMath Simple Calculator ships an update every 2 weeks, and Smart Adding Machine every 3 weeks. Most recently, TinyMath Simple Calculator was updated on October 29, 2026 and Smart Adding Machine on October 27, 2026.

---

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