Conversion Calculator Units vs SmartProBono
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! * *************************************************************
SmartProBono
This safety app allows users to easily record audio or video of important moments, automatically capturing location data. It enables sharing of these recordings and location with a trusted contact during emergencies. All recorded events are stored in a history for later review, sharing, or deletion.
- One-tap audio/video recording
- Automatic location capture
- Add trusted emergency contacts
- Share location and recordings
- Safety event history
- Name and manage events
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SmartProBono is a safety app that helps you record, document, and share important moments when you need support. RECORD SAFETY EVENTS • Choose audio-only, video, or both • One-tap recording with clear stop button • Automatic location capture for every event EMERGENCY CONTACT • Add a trusted contact during setup • Share your location and recordings when you use Safety Mode SAFETY HISTORY • View past events with timestamps and locations • Play, share, or delete recordings • Name events for easy reference DESIGNED FOR EVERYDAY SAFETY SmartProBono keeps things simple—record when you need to, share when you want to, and keep everything in one place.
Screenshots
Verdict
The clearest difference is in-app purchases: SmartProBono at none against Conversion Calculator Units's 1. SmartProBono also leads on ads (none vs shown) and rating (5.0 vs 4.7). Conversion Calculator Units's advantage is ratings volume (5K vs 4). On price, device support 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. SmartProBono asks for nothing beyond the download.
SmartProBono 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 4, 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 100% of SmartProBono's.
Conversion Calculator Units ships an update every 2 months, SmartProBono every 3 weeks. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | Conversion Calculator Units | SmartProBono |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (5K ratings) | 5.0 (4 ratings) — better |
| Positive reviews | 82.1% of reviews | 100.0% of reviews — better |
| Number of ratings | 5K — better | 4 |
| Update frequency | Every 2 months | Every 3 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 — better | 15.1 |
| Further details — not scored | ||
| Size | 41 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | RV AppStudios LLC | Baheem Ferrell |
Customer experience
Conversion Calculator Units
SmartProBono
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
SmartProBono
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Conversion Calculator Units
- Remove Ads$1.99
SmartProBono
No in-app purchases
Questions
Is Conversion Calculator Units free?
Is SmartProBono free?
Which has better reviews, Conversion Calculator Units or SmartProBono?
Do Conversion Calculator Units or SmartProBono have ads?
Which is updated more often, Conversion Calculator Units or SmartProBono?
Other comparisons
