# TinyMath Simple Calculator vs Image Rounder(Pro)

The clearest difference is price: TinyMath Simple Calculator at Free against Image Rounder(Pro)'s $2.99. TinyMath Simple Calculator also leads on update cadence (every 2 weeks vs every 18 months) and ratings volume (12 vs 1). Image Rounder(Pro)'s advantage is rating (5.0 vs 4.2) and in-app purchases (none vs 2). On ads and device support there is nothing between them.

TinyMath Simple Calculator is free to download; Image Rounder(Pro) costs $2.99 up front. TinyMath Simple Calculator sells 2 one-off in-app purchases. Image Rounder(Pro) asks for nothing beyond the download.

Image Rounder(Pro) holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: TinyMath Simple Calculator has 12 ratings behind it against 1, so its average is the more settled of the two.

TinyMath Simple Calculator ships an update every 2 weeks, Image Rounder(Pro) every 18 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TinyMath Simple Calculator | Image Rounder(Pro) |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | [4.2 (12 ratings)](https://appshunter.io/ios/app/tinymath-simple-calculator/id1542442064/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/image-rounderpro/id6448743966/reviews)** |
| Number of ratings | **12** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 18 months |
| Monetization | **Free** | Paid |
| Size | 5 MB | 21 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Morgatov](https://appshunter.io/developer/1542442066) | [Hrishi Suthar](https://appshunter.io/developer/1660005858) |

## 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 |


### Image Rounder(Pro)

[App page](https://appshunter.io/ios/app/image-rounderpro/id6448743966)

Easily round the corners of your images with a clean Material Design interface. Adjust the radius manually and see the changes in real-time before exporting your creations.

**Highlights:** Material Design UI, Manual radius adjustment, Real-time output preview, Easy export functionality

**Features:** macOS Compatibility

**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 Image Rounder(Pro) free?

Image Rounder(Pro) costs $2.99, with no in-app purchases.

### Which has better reviews, TinyMath Simple Calculator or Image Rounder(Pro)?

Image Rounder(Pro) is rated higher. TinyMath Simple Calculator averages 4.2 out of 5 from 12 ratings, while Image Rounder(Pro) averages 5.0 from 1 ratings.

### Do TinyMath Simple Calculator or Image Rounder(Pro) have ads?

Neither TinyMath Simple Calculator nor Image Rounder(Pro) shows ads.

### Which is updated more often, TinyMath Simple Calculator or Image Rounder(Pro)?

TinyMath Simple Calculator ships an update every 2 weeks, and Image Rounder(Pro) every 18 months. Most recently, TinyMath Simple Calculator was updated on October 29, 2026 and Image Rounder(Pro) on October 30, 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.*