Units Plus Converter vs Conversion Calculator Units
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Units Plus Converter
Easily convert between various units and currencies with a simple, intuitive interface. Features live currency updates for 155 world currencies, refreshed every 15 minutes. Optimized for a wide range of Apple devices, including iPads with Split View support.
- Unit conversion across 12 categories
- Live currency updates for 155 currencies
- Optimized for iPhone and iPad
- iPad Split View support
- Data-computer data conversion
- Fuel-mileage conversion
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SWAP units by pressing button on keypad (lower left) OPTIMIZED for iPhone X, XS, XS Max, XR, 5, 5S, SE, 6, 6+, 7, 7+, 8, 8+ OPTIMIZED for iPad Pro 12.9 (1st, 2nd, 3rd gen), 11, 10.5, 9.7, Air, Air 2, Mini (2nd, 3rd, 4th) iPad Split View supported. ***Now with LIVE Currency Updates for all major currencies in the world*** Very simple and beautifully designed unit converter with 12 categories and many different units: CONVERT: *Area *Currency (155 world currencies updated every 15 min.) *Data-computer data (byte, kilobyte, megabyte, etc.) *Fuel-milage *Length *Power *Pressure *Speed *Temperature *Time (days, weeks, hours, etc.) *Volume (dry and wet) *Weight-mass Currency exchange rates are downloaded every 15 minutes when app is open. Every download uses very small amount of data. Around 1-2kb. Internet connection required. 155 currencies available - This is all world currencies with their respective country flags.
Conversion Calculator Units
This app offers a simple and powerful way to convert between over 140 units across 12 categories. Easily switch between units, customize your experience with themes, and share your results.
- Converts over 140 units
- Supports 12 conversion categories
- Customizable themes
- Drag and set unit positions
- Add units to favorites
- Share converted units via email
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* Handy Conversion Calculator App For 12 Categories & 140+ Units * Simple, Powerful & Conversion Calculator app designed for iPhone and iPad! Just tap and convert any units with its clean interface and user-friendly navigation. Simple swipe actions will allow you to convert quickly and change conversion options easily for additional convenience. Download the fastest & easiest to use converter app today! Conversions from one unit to another unit no longer have to be confusing, simply use Best Unit Converter today. * Features: - Ability To Change Themes - Drag & Set Position Of Units - Add Units To Favorites Section - Restore Category Listing - Enable/Disable Units - Set Decimal Digit Count - Share Converted Units by Email ** Conversion (12 Categories & 140+ Units): - Area - Length - Energy - Volume - Weight - Power - Speed - Time - Number - Temperature - Data Storage - Fuel Consumption Conversion Calculator is a beautifully designed universal app, designed for both iPhone & iPad. Get the best easy to use metric and units converter for length, number, power, speed, temperature, time, weight, area, energy, and other popular measurement converters tool. Download free. ************************************************************* * Download Conversion Calculator Today! * * Be Sure To Checkout Other Popular Utilities & Games From RV AppStudios! * *************************************************************
Screenshots
Verdict
The clearest difference is price: Conversion Calculator Units at Free against Units Plus Converter's $19.99. Units Plus Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Conversion Calculator Units is free to download; Units Plus Converter costs $19.99 up front. Conversion Calculator Units sells 1 one-off in-app purchase. Units Plus Converter asks for nothing beyond the download.
Units Plus Converter holds the better App Store score, 4.9 against 4.7. Both are backed by a comparable volume of ratings — 8.4K and 5K respectively. Written reviews point the same way: 91% of Units Plus Converter's written reviews are positive against 82% of Conversion Calculator Units's.
Units Plus Converter ships an update every 5 weeks, Conversion Calculator Units every 2 months. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.
| Parameter | Units Plus Converter | Conversion Calculator Units |
|---|---|---|
| Price | $19.99 | Free — better |
| Rating | 4.9 (8.4K ratings) — better | 4.7 (5K ratings) |
| Positive reviews | 91.0% of reviews — better | 82.1% of reviews |
| Number of ratings | 8.4K — better | 5K |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 7 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Alan Mrvica | RV AppStudios LLC |
Customer experience
Units Plus Converter
Conversion Calculator Units
User reviews
Units Plus Converter
From 8.4K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Convenient and reliable
- 💰 Worth the purchase
- 🌍 Helpful for travel and international use
- 📊 Comprehensive range of conversions
Room to improve
- 🐛 Occasional crashes or bugs
- 🔢 Limited unit options in some categories
- 🔍 Unintuitive interface for certain conversions
- 💰 Overpriced for the features offered
Conversion Calculator Units
From 5K App Store ratingsWhat we love
- 👍 User-friendly
- 🚀 Easy to use
- 💡 Helpful for learning metric system
- 👍 Great for conversions
- 👍 Intuitive interface
Room to improve
- 🐛 Ads disrupt usage
- 🐛 Difficult to change units
- 🐛 Lacks portrait mode
- 🐛 Upside-down orientation issues
- 🐛 Cluttered UI design
Bugs and requests
Units Plus Converter
Reported bugs
3 issues- Decimal input not working
- Currency conversion not updating properly
- App crashing on certain devices
Requested features
5 requests- Add feet and inches conversion option
- Include kilojoules to calories conversion
- Improve currency conversion accuracy
- Add time zone conversion feature
- Provide more advanced unit options (e.g. torque, density)
Conversion Calculator Units
Reported bugs
2 issues- Ads not removed after purchase
- Incorrect unit conversions
Requested features
4 requests- Add pressure conversion units
- Include a basic calculator function
- Implement multi-language support
- Allow customization of unit order
In-app purchases
Units Plus Converter
No in-app purchases
Conversion Calculator Units
- Remove Ads$1.99
Questions
Is Units Plus Converter free?
Is Conversion Calculator Units free?
Which has better reviews, Units Plus Converter or Conversion Calculator Units?
Do Units Plus Converter or Conversion Calculator Units have ads?
Which is updated more often, Units Plus Converter or Conversion Calculator Units?
Other comparisons
