Conversion Calculator Units vs Classicalc calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Read full descriptionHide full description
* 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! * *************************************************************
Classicalc calculator
This calculator app offers instant calculations as you type, following the mathematical order of operations. It features unique piano sound themes and allows seamless continuation of calculations across iPhone and Apple Watch. Your equations are automatically saved for convenience.
- Instant calculation as you type
- Mathematical order of operators
- Cross-device continuity (iPhone/Watch)
- Automatic equation saving
- 14 piano sound themes
- Copy result to clipboard
Read full descriptionHide full description
Classicalc is a unique, the most classy calculator app on the App Store. It's designed to be beautiful and simple, but also… to sound amazing! Each color theme has its own, actual Grand Piano major scale! It's Chopin-awesome! Underneath it beautiful simplicity, there's some serious technology powering Classicalc: ## Instant Calculation calculates the formula as you type, so you never have to use the equals sign (=). We spare you one unnecessary tap at a time. ## Classicalc calculates result using mathematical order of operators (× ÷ + -) so if you would like to add 1 to 1 and then multiply the result by 2, you should write (1 + 1) × 2 instead of 1 + 1 × 2 ## You can start your calculations on your iPhone, then Continue on your Apple Watch, and the other way around. ## Your most recent equation is always saved, even if you shut the app. When you run it again, The formula is instantly there. ## 14 great-looking backgrounds with related actual Grand Piano major scales. Change colors and major scales on iPhone app (by pressing little diamond in top-left corner) to change colors on Apple Watch. ## In case the numbers bore you, you can always play a song. It's Chopin-awesome! *** Tips *** - long press "backspace" button to clear whole expression (you can also force touch on your Watch) - long press the result on your iPhone/iPad to copy it to the system clipboard
Screenshots
Verdict
The clearest difference is price: Conversion Calculator Units at Free against Classicalc calculator's $0.99. Conversion Calculator Units also leads on rating (4.7 vs 3.8) and update cadence (every 2 months vs every 20 months). Classicalc calculator's advantage is in-app purchases (none vs 1) and ads (none vs shown).
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; Classicalc calculator costs $0.99 up front. Conversion Calculator Units sells 1 one-off in-app purchase. Classicalc calculator asks for nothing beyond the download.
Conversion Calculator Units holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 13, so its average is the more settled of the two. Written reviews point the same way: 82% of Conversion Calculator Units's written reviews are positive against 63% of Classicalc calculator's.
Conversion Calculator Units ships an update every 2 months, Classicalc calculator every 20 months. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.
| Parameter | Conversion Calculator Units | Classicalc calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.7 (5K ratings) — better | 3.8 (13 ratings) |
| Positive reviews | 82.1% of reviews — better | 62.5% of reviews |
| Number of ratings | 5K — better | 13 |
| Update frequency | Every 2 months — better | Every 20 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 15.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Lukasz Kowalski |
Customer experience
Conversion Calculator Units
Classicalc calculator
Bugs and requests
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
Classicalc calculator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Units
- Remove Ads$1.99
Classicalc calculator
No in-app purchases
Questions
Is Conversion Calculator Units free?
Is Classicalc calculator free?
Which has better reviews, Conversion Calculator Units or Classicalc calculator?
Do Conversion Calculator Units or Classicalc calculator have ads?
Which is updated more often, Conversion Calculator Units or Classicalc calculator?
Other comparisons















