Conversion Calculator Units vs Mass Converter
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
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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! * *************************************************************
Mass Converter
Easily convert between various units of mass, including stone, pounds, kilograms, grams, quintals, and tonnes. This utility is designed for quick and accurate conversions for everyday use.
- Convert Stone (St)
- Convert Pound (Lb)
- Convert Kilogram (Kg)
- Convert Gram (G)
- Convert Quintal (Q)
- Convert Tonne (T)
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Mass Converter is the fast mass converter to convert for Stone (St), Pound (Lb), Kilogram (Kg), Gram (G), Quintal (Q), Tonne (T). You can use it if you builder, cook, housewife, traveler or another cool man. Convert masses quickly and as you want.
Screenshots
Verdict
The clearest difference is price: Conversion Calculator Units at Free against Mass Converter's $1.99. Conversion Calculator Units also leads on update cadence (every 2 months vs every 37 months) and ratings volume (5K vs 8). Mass Converter's advantage is in-app purchases (none vs 1) and ads (none vs shown). On 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; Mass Converter costs $1.99 up front. Conversion Calculator Units sells 1 one-off in-app purchase. Mass Converter asks for nothing beyond the download.
Mass Converter holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 8, so its average is the more settled of the two.
Conversion Calculator Units ships an update every 2 months, Mass Converter every 37 months. The most recent releases landed on October 17, 2026 and September 28, 2026 respectively.
| Parameter | Conversion Calculator Units | Mass Converter |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.7 (5K ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 82.1% of reviews | — |
| Number of ratings | 5K — better | 8 |
| Update frequency | Every 2 months — better | Every 37 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 |
| Requires iOS | 15.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 41 MB | 0 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Anna Filobok |
Customer experience
Conversion Calculator Units
Mass Converter
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
Mass Converter
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Units
- Remove Ads$1.99
Mass Converter
No in-app purchases
Questions
Is Conversion Calculator Units free?
Is Mass Converter free?
Which has better reviews, Conversion Calculator Units or Mass Converter?
Do Conversion Calculator Units or Mass Converter have ads?
Which is updated more often, Conversion Calculator Units or Mass Converter?
Other comparisons
