Conversion Calculator Units vs All Unit Conversion
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! * *************************************************************
All Unit Conversion
Easily convert between various units of measurement with this free utility app. It supports conversions for length, area, volume, mass, time, digital storage, energy, and currency.
- Length conversion
- Area conversion
- Volume conversion
- Mass conversion
- Time conversion
- Currency conversion
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This is a simple and useful free unit converter - Length Converter - Area Converter - Volume Converter - Mass Converter - Time Converter - Digital Storage Converter - Energy Converter - Currency Converter
Screenshots
Verdict
The clearest difference is in-app purchases: All Unit Conversion at none against Conversion Calculator Units's 1. All Unit Conversion also leads on ads (none vs shown). Conversion Calculator Units's advantage is review sentiment (82% vs 50%) and ratings volume (5K vs 17). On price, rating, update cadence and iOS requirement 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. All Unit Conversion asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.7 for Conversion Calculator Units against 4.6 for All Unit Conversion. That said, the two scores are not equally well evidenced: Conversion Calculator Units has 5K ratings behind it against 17, so its average is the more settled of the two. Written reviews are what separate them: 82% of Conversion Calculator Units's written reviews are positive against 50% of All Unit Conversion's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and September 13, 2026 respectively.
| Parameter | Conversion Calculator Units | All Unit Conversion |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5K ratings) — better | 4.6 (17 ratings) |
| Positive reviews | 82.1% of reviews — better | 50.0% of reviews |
| Number of ratings | 5K — better | 17 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 41 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Tiago Do Couto |
Customer experience
Conversion Calculator Units
All Unit Conversion
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
All Unit Conversion
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Units
- Remove Ads$1.99
All Unit Conversion
No in-app purchases
Questions
Is Conversion Calculator Units free?
Is All Unit Conversion free?
Which has better reviews, Conversion Calculator Units or All Unit Conversion?
Do Conversion Calculator Units or All Unit Conversion have ads?
Which is updated more often, Conversion Calculator Units or All Unit Conversion?
Other comparisons
