# Calsy vs Ultimate Image Converter

The clearest difference is device support: Calsy at 3 against Ultimate Image Converter's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Calsy ships an update monthly, Ultimate Image Converter every 2 months. Both last shipped on October 16, 2026.

## The numbers

| Metric | Calsy | Ultimate Image Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 25 MB | 8 MB |
| Requires iOS | **15.2** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Salvador Garcia Bernal](https://appshunter.io/developer/1623605487) | [Jon Wadsworth](https://appshunter.io/developer/1616906936) |

## What reviewers say

### Calsy

[App page](https://appshunter.io/ios/app/calsy-smart-quick-simple/id1624719076)

This versatile calculator offers a minimalist interface with powerful functionality for everyday calculations. It includes features for exploring facts, calculating gas performance, mastering price increases, converting temperatures and lengths, estimating paint needs, and simplifying number conversions.

**Highlights:** Explore interesting facts, Calculate gas performance and cost, Master price increases and percentages, Convert temperatures and lengths, Calculate paint and garden volume, Simplify number system conversions, Estimate file transfer time

**Features:** macOS Compatibility

**In-app purchases:** none


### Ultimate Image Converter

[App page](https://appshunter.io/ios/app/ultimate-image-converter/id6448857689)

**In-app purchases:** none


## Frequently asked questions

### Is Calsy free?

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

### Is Ultimate Image Converter free?

Ultimate Image Converter is free to download, with no in-app purchases.

### Do Calsy or Ultimate Image Converter have ads?

Neither Calsy nor Ultimate Image Converter shows ads.

### Which is updated more often, Calsy or Ultimate Image Converter?

Calsy ships an update monthly, and Ultimate Image Converter every 2 months. Most recently, Calsy was updated on October 16, 2026 and Ultimate Image Converter on October 16, 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.*