# XmlPad vs Uno Calculator

The clearest difference is rating: Uno Calculator at 4.6 against XmlPad's 3.9. Uno Calculator also leads on review sentiment (73% vs 33%) and ratings volume (113 vs 7). XmlPad's advantage is iOS requirement (11.0 vs 14.2). 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.

Uno Calculator holds the better App Store score, 4.6 against 3.9. That said, the two scores are not equally well evidenced: Uno Calculator has 113 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 33% of XmlPad's written reviews are positive against 73% of Uno Calculator's.

XmlPad ships an update every 7 months, Uno Calculator every 5 months. The most recent releases landed on September 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | XmlPad | Uno Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.9 (7 ratings)](https://appshunter.io/ios/app/xmlpad/id820864367/reviews) | **[4.6 (113 ratings)](https://appshunter.io/ios/app/uno-calculator/id1464736591/reviews)** |
| Number of ratings | 7 | **113** |
| Positive reviews | 33.3% of reviews | **73.2% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 months** |
| Monetization | Free | Free |
| Size | 14 MB | 96 MB |
| Requires iOS | **11.0** | 14.2 |
| Devices | iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Semyon Chertkov](https://appshunter.io/developer/541521105) | [Uno Platform Inc.](https://appshunter.io/developer/1617866832) |

## What reviewers say

### XmlPad

[App page](https://appshunter.io/ios/app/xmlpad/id820864367)

A professional XML editor for mobile devices, offering both text and tabular views for efficient document processing. It includes syntax highlighting, autocompletion, and validation against various schemas. Run XQuery and XSLT transformations directly within the app.

**Highlights:** Text editor with syntax highlighting, Tabular view for XML processing, XML validation against DTD, XSD, RelaxNG, Schematron, XQuery and XSLT transformation support, Built-in command console, Synchronized text and table views

**Features:** macOS Compatibility

**In-app purchases:** none


### Uno Calculator

[App page](https://appshunter.io/ios/app/uno-calculator/id1464736591)

This app offers a comprehensive suite of calculation tools, handling everything from basic arithmetic to complex unit conversions. It supports measurements for size, temperature, speed, energy, and currency, making it a versatile solution for diverse needs.

**Highlights:** Arithmetic calculations, Unit conversions, Size measurements, Temperature conversions, Speed calculations, Energy calculations, Currency exchange

**In-app purchases:** none

**What reviewers like**

- 💰 Completely free with no ads or in-app purchases
- 🎨 Clean, minimalist, and intuitive user interface
- 🔧 Multiple calculator modes (standard, scientific, programmer)
- 📊 Useful unit conversion features
- 📜 Helpful history and memory panes for tracking calculations

**What reviewers complain about**

- ⌨️ No keyboard input support on Mac or iPad (major recurring complaint)
- 📍 Calculator buttons positioned on left side (inconvenient for right-handed users)
- 📜 History pane cannot be hidden or minimized
- ⏱️ Slower app launch time compared to stock calculator
- 🐢 Laggy performance on macOS with slow button responsiveness

**Reported bugs**

- Standard calculator mode doesn't follow order of operations (1+2*3 = 9 instead of 7)
- Buttons disappear while using on iPad
- Apple Pencil input causes buttons to blend into background
- Slow key responsiveness on macOS
- Numeric keypad input not recognized from Apple keyboard

**Requested features**

- Keyboard input support for Mac and iPad (most requested)
- Copy and paste functionality for results and formulas
- Option to reposition calculator buttons to right side
- Ability to hide or collapse history pane
- Persistent history that saves after app closes


## Frequently asked questions

### Is XmlPad free?

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

### Is Uno Calculator free?

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

### Which has better reviews, XmlPad or Uno Calculator?

Uno Calculator is rated higher. XmlPad averages 3.9 out of 5 from 7 ratings, while Uno Calculator averages 4.6 from 113 ratings.

### Do XmlPad or Uno Calculator have ads?

Neither XmlPad nor Uno Calculator shows ads.

### Which is updated more often, XmlPad or Uno Calculator?

XmlPad ships an update every 7 months, and Uno Calculator every 5 months. Most recently, XmlPad was updated on September 22, 2026 and Uno Calculator on October 7, 2026.

---

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