Converter vs Currency & Unit Converter #
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Converter
This app offers a comprehensive unit and hardness conversion tool with an easy-to-use interface. It includes currency conversion with updated exchange rates, over 300 engineering and scientific units, and a specialized hardness converter. Additional features like timezone conversion, pace calculation, and a standard calculator enhance its utility.
- Currency converter with live exchange rates
- Over 300 engineering and scientific units
- Specialized hardness converter
- Timezone conversion
- Running pace calculator
- Integrated standard calculator
- Conversion history log
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Trelleborg’s “Unit and Hardness Converter” converts a comprehensive list of units (incl. currencies) in an easy way. In addition, the app has a set of other useful features on board, like timezone conversion, percentage calculations, a running pace calculator and more What our users say: “Have been using it forever, never tried other converter as this one does the job perfectly” - Lazareth_fr “Fabulous resource, but also a functional masterpiece!” -Otto. “This is needed by all engineers. So simple and easy to use” -JLa03. FEATURES • Easy-to-use interface • Currency converter with in-app exchange rate update functionality • Over 300 engineering and scientific conversion units in 32 categories • Hardness converter with 16 conversion tables based on ASTM E140-07 and ISO-18265 for quick conversion between different scales • Video library: features the extensive Trelleborg Sealing Solutions YouTube library • Toggle between units • Switch between dark and white theme • Conversion history log • Create favorite lists • Standard calculator integrated with unit converter DIMENSIONS • Area • Currency • Current • Data • Density • Distance • Dynamic Viscosity • Energy • Force • Frequency • Kinematic Viscosity • Moment of inertia • Power • Prefixes • Pressure • Speed • Strength • Temperature • Time • Torque • Volume • Weight • Fuel Consumption • Glucose • Vacuum • Numbers • Illumination • Radioactivity • Radiation (absorbed) • Angles • Volume Flow Rate • Calorie • Metric Prefixes • Typography • Electric Charge OTHER MISCELLANEOUS CATEGORIES • Timezone conversion • Clothing sizes / Shoe sizes • International power plugs • Running pace calculator • Percentage calculator • Pace • Hex, Binary, Decimal • BMI (metric/inch) HARDNESS SCALES INCLUDED • Rockwell (HRC, HRA, HRD, HRF, HRG, HRE, HR-15-N, HR-30N, HR-45-N, HR45-T, HR-15T, HR-30T, HR45-T) • Brinell (HBW, HBS) • Vickers (HV, • Knoop (HK) The app is available in English, German and Chinese languages. Download now or contact us with any questions.
Currency & Unit Converter #
This app offers a comprehensive solution for converting units across more than 20 common categories, including over 400 units. It supports mixed units and currency exchange with real-time updates, making it useful for work, study, and daily life. The app features a scientific calculator and a user-friendly interface.
- 20+ Categories & 400+ Units
- Mixed-Unit Support
- Currency Exchange
- Scientific Calculator
- Widget Support
- Online DB & Currency Rate Updates
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◉ Featured: Converter+ greatly supports a Database with 20 available common categories and over 400 units (Include mixed unit such as ft + in, m + cm,...) so Converter+ can help you solve almost every conversion problem in your Work, your Study and also your daily life. ◉ Perfect Design: Converter+ has a shape of arc combined with sci-fi style offering convenient & interesting user experience. ◉ Official Website: Http://iPhoneCalculator.com ◉ Features: ▸ Support Widget ▸ 20+ Categories & 400+ Units ▸ Favorite Category. ▸ Currency(Money) Exchange ¹ ▸ Universal Converter App ▸ Retina Display Support ² ▸ Mixed-Unit Support ▸ Scientific Calculator ▸ Support Widget ▸ Online DB Update ▸ Online Update Currency Rate ³ ¹: Source: Yahoo! Finance (Most 27 popular Currencies) ²: Both iPhone / iPad Retina Display ³: Auto Update every 3 hours. New Data Base Update available monthly. Converter Infinity - The Ultimate iPhone/iPad Converter. We love your feedback, Thanks a lot ! ◉ Categories: Length, Area, Volume, Mass, Angle, Currency, Data, Data Transfer, Energy, Force, Power, Fuel Consumption, Pressure, Radioactivity, Resistance, Resistivity, Speed, Temperature, Time, Volume Flow Rate.
Screenshots
Verdict
The clearest difference is rating: Converter at 4.9 against Currency & Unit Converter #'s 4.3. Converter also leads on review sentiment (94% vs 73%) and update cadence (every 2 months vs every 6 months). Currency & Unit Converter #'s advantage is iOS requirement (8.0 vs 15.6). On price, ads, in-app purchases and monetization model 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Converter holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 981 and 215 respectively. Written reviews point the same way: 94% of Converter's written reviews are positive against 73% of Currency & Unit Converter #'s.
Converter ships an update every 2 months, Currency & Unit Converter # every 6 months. The most recent releases landed on October 25, 2026 and October 23, 2026 respectively.
| Parameter | Converter | Currency & Unit Converter # |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (981 ratings) — better | 4.3 (215 ratings) |
| Positive reviews | 93.9% of reviews — better | 72.7% of reviews |
| Number of ratings | 981 — better | 215 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 8.0 — better |
| Further details — not scored | ||
| Size | 37 MB | 25 MB |
| Age rating | 12+ | 4+ |
| Developer | Trelleborg Sealing Solutions | Incpt.Mobis |
Customer experience
Converter
Currency & Unit Converter #
User reviews
Converter
From 981 App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Accurate and fast conversions
- 💡 Comprehensive coverage of units and categories
- 🔒 No ads or hidden fees
- 💡 Useful currency converter
Room to improve
- 🐛 Currency conversion rates can be outdated
- 🔍 Difficult to find specific conversions due to large number of options
- 💡 Lack of ability to set favorite conversions as default
Currency & Unit Converter #
From 215 App Store ratingsWhat we love
- 🎨 Beautiful and attractive visual design
- 🔄 Comprehensive range of unit conversions
- ⚡ Fast and efficient conversion calculations
- 🆓 Free app with no advertisements
- 🎡 Innovative wheel/dial interface concept
Room to improve
- 😕 Confusing and unintuitive user interface
- 🎨 Overly complex design prioritizes aesthetics over usability
- ⏱️ Steep learning curve for new users
- 🔄 Wheel selection mechanism is slow and cumbersome
- 📊 Too many features make the app overwhelming
Bugs and requests
Converter
Reported bugs
2 issues- Occasional crashes on startup for non-English/German users
- Conversion from meters to feet does not show inches
Requested features
3 requests- Add fuel efficiency conversions
- Allow users to set favorite conversions as default
- Improve currency conversion rate updates
Currency & Unit Converter #
Reported bugs
7 issues- Widget does not change units of measurement
- Widget arrows to cycle through options don't function
- App crashes frequently
- App crashes on first touch
- Currency conversion display issues
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- Settings changes not persisting properly
- App freezes or becomes unresponsive
Requested features
13 requests- Tutorial or onboarding guide for new users
- Favorites or custom presets for frequently used conversions
- Reverse Polish Notation (RPN) calculator support
- Remember last selected units between app sessions
- Ability to customize which conversion categories appear
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- Larger back/navigation arrow button
- Round calculator buttons
- Simpler, more streamlined interface option
- Additional engineering unit conversions (pressure, torque, force, energy)
- Comma display in currency exchange input field
- Knots unit in speed conversions
- Pints to Pints (US) conversion option
- Calculator app with similar design
In-app purchases
Converter
No in-app purchases
Currency & Unit Converter #
No in-app purchases
Questions
Is Converter free?
Is Currency & Unit Converter # free?
Which has better reviews, Converter or Currency & Unit Converter #?
Do Converter or Currency & Unit Converter # have ads?
Which is updated more often, Converter or Currency & Unit Converter #?
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