# Measures Unit Converter vs Cards plus

The clearest difference is price: Cards plus at Free against Measures Unit Converter's $1.99. Measures Unit Converter's advantage is rating (4.4 vs 4.0) and ratings volume (38 vs 1). On review sentiment, update cadence, ads and in-app purchases there is nothing between them.

Cards plus is free to download; Measures Unit Converter costs $1.99 up front. Measures Unit Converter sells 4 one-off in-app purchases and Cards plus sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Measures Unit Converter holds the better App Store score, 4.4 against 4.0. That said, the two scores are not equally well evidenced: Measures Unit Converter has 38 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 91% of Measures Unit Converter's written reviews are positive against 86% of Cards plus's.

Measures Unit Converter ships an update every 8 days, Cards plus weekly. Both last shipped on November 6, 2026.

## The numbers

| Metric | Measures Unit Converter | Cards plus |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.4 (38 ratings)](https://appshunter.io/ios/app/measures-unit-converter/id287918318/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/cards-plus-digital-wallet/id6746193984/reviews) |
| Number of ratings | **38** | 1 |
| Positive reviews | **91.4% of reviews** | 85.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 18 MB | 24 MB |
| Requires iOS | **18.0** | 18.4 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Neuwert Media GmbH](https://appshunter.io/developer/287918321) | [Oliver Lieven](https://appshunter.io/developer/1778246787) |

## What reviewers say

### Measures Unit Converter

[App page](https://appshunter.io/ios/app/measures-unit-converter/id287918318)

This app offers a comprehensive unit conversion tool with over 971 units across 40 categories, including 173 currencies with real-time exchange rates. It features an intuitive interface, a scientific calculator, and offline functionality, making it ideal for precise conversions.

**Highlights:** 971 units across 40 categories, 173 currencies with real-time rates, Offline conversion functionality, Scientific calculator, Intuitive redesigned interface, Customizable themes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Coffee | $1.99 | one-time |
| Breakfast | $4.99 | one-time |
| Lunch | $9.99 | one-time |
| Dinner | $19.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive interface
- 🚀 Comprehensive range of conversions
- 💡 Customizable unit selection
- 🔍 Accurate and up-to-date currency rates
- 🔢 Handy built-in calculator

**What reviewers complain about**

- 🐛 Occasional crashes or bugs
- 🔀 Cumbersome navigation for some conversions
- 🔍 Lack of customization options for some units
- 💤 Outdated or inaccurate conversion factors in some cases

**Reported bugs**

- Crashes on launch with iOS 7.0.2
- Inconsistent behavior when changing units in calculator

**Requested features**

- Add ability to swap conversion directions
- Improve currency conversion to show tourist rates
- Expand RF/frequency conversion options
- Add support for more advanced unit types (e.g. wind chill, biblical currencies)


### Cards plus

[App page](https://appshunter.io/ios/app/cards-plus-digital-wallet/id6746193984)

Securely store and organize all your important documents, including IDs, insurance cards, and PDFs, in a private digital wallet. Access them quickly with advanced search and OCR, and even export select cards to Apple Wallet.

**Highlights:** Private digital wallet, Secure document storage, Organize with folders and tags, Advanced search with text recognition, Apple Wallet export, Apple Watch app, Offline functionality

**Features:** Family Sharing, Apple Wallet, Apple Watch app, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cards+ Lite | $2.99 | one-time |
| Cards+ Upgrade Lite to Pro | $3.99 | one-time |
| Cards+ Pro | $6.99 | one-time |


## Frequently asked questions

### Is Measures Unit Converter free?

Measures Unit Converter costs $1.99, and also offers in-app purchases.

### Is Cards plus free?

Cards plus is free to download, with in-app purchases available.

### Which has better reviews, Measures Unit Converter or Cards plus?

Measures Unit Converter is rated higher. Measures Unit Converter averages 4.4 out of 5 from 38 ratings, while Cards plus averages 4.0 from 1 ratings.

### Do Measures Unit Converter or Cards plus have ads?

Neither Measures Unit Converter nor Cards plus shows ads.

### Which is updated more often, Measures Unit Converter or Cards plus?

Measures Unit Converter ships an update every 8 days, and Cards plus weekly. Most recently, Measures Unit Converter was updated on November 6, 2026 and Cards plus on November 6, 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.*