Conversion Calculator Units vs The Conversion App
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! * *************************************************************
The Conversion App
This utility app offers a simple and powerful way to perform various unit conversions. It supports a wide range of categories and allows users to request new conversions to be added. Available on iPhone and iPad, it's designed for ease of use.
- Area conversion
- Data conversion
- Length conversion
- Speed conversion
- Time conversion
- Volume conversion
- Weight conversion
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By far the simplest, cleanest and most powerful unit conversion app available. Support for iPhone, iPad and Family Sharing. If you want a unit that isn't provided send a feedback email through the app and it will be added promptly. Currently Available Conversions: - Area - Data-computer data (byte, kilobyte, megabyte, etc.) - Fuel-milage - Length - Power - Pressure - Speed - Time (days, weeks, hours, etc.) - Volume - Weight - Acceleration - Energy - Cooking - Frequency - Temperature What's Coming Next? - Real-time currencies - Anything you ask for - Mac Support - Apple TV Support If you send a request for a new conversion type consider it done. Thank you icons8 designers for the icons.
Screenshots
Verdict
The clearest difference is rating: Conversion Calculator Units at 4.7 against The Conversion App's 4.1. Conversion Calculator Units also leads on review sentiment (82% vs 45%) and ratings volume (5K vs 60). The Conversion App's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, update cadence 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
Both are free to download. Conversion Calculator Units sells 1 one-off in-app purchase. The Conversion App asks for nothing beyond the download.
Conversion Calculator Units holds the better App Store score, 4.7 against 4.1. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 60, 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 45% of The Conversion App's.
Conversion Calculator Units ships an update every 2 months, The Conversion App every 5 weeks. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.
| Parameter | Conversion Calculator Units | The Conversion App |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5K ratings) — better | 4.1 (60 ratings) |
| Positive reviews | 82.1% of reviews — better | 45.0% of reviews |
| Number of ratings | 5K — better | 60 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 41 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Sparrow Development LLC |
Customer experience
Conversion Calculator Units
The Conversion App
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
The Conversion App
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Units
- Remove Ads$1.99
The Conversion App
No in-app purchases
Questions
Is Conversion Calculator Units free?
Is The Conversion App free?
Which has better reviews, Conversion Calculator Units or The Conversion App?
Do Conversion Calculator Units or The Conversion App have ads?
Which is updated more often, Conversion Calculator Units or The Conversion App?
Other comparisons
