CONVERT UNITS vs SmartStack
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CONVERT UNITS
Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.
- Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency
- Automatic currency updates
- 160 currencies available
- Multitasking enabled for iPad
- Alphabetical quick links for units
- Customizable startup categories
- Adjustable accuracy and rounding
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CONVERT UNITS is built for the numbers a general converter treats as an afterthought: torque, pressure, viscosity, density, thermal conductivity, magnetic flux density, radioactivity, luminance. Close to 40 of its 72 categories are scientific and engineering categories, covering 685 units in total, in a fast, no-nonsense dark interface built to do one thing: give you the answer and get out of the way. Two scrolling lists, a big keypad, and a result that updates as you type. 72 CATEGORIES, 685 UNITS Torque, pressure, viscosity, density, thermal conductivity, magnetic flux density, radioactivity, luminance — plus length, weight, temperature, speed, area, volume, time, power, energy, data, fuel economy and dozens more. CURRENCY, CRYPTO AND METALS - 160 world currencies, with rates refreshed daily. - 126 cryptocurrencies. - Gold, silver, platinum and palladium. - Update rates automatically, once a day, on every launch, or only when you ask. BUILT TO BE FAST - An alphabetical index down the side of every list - jump straight to a unit instead of scrolling past hundreds. - Search every unit in every category from a single field. - Launch straight into the category you actually use and skip the home screen entirely. - Hide the categories you never touch, so the grid stays yours. PRECISION ON YOUR TERMS - Trim results by significant figures or by decimal places, whichever the spec calls for. - Significant figures keep small numbers detailed: 0.030333 at 3 figures gives 0.0303. - Decimal places line every result up on the same column: 2 places gives 13.78. - Round results up, or leave them exact. THE DETAILS - 33 languages: English, Spanish, French, German, Portuguese, Italian, Japanese, Korean, Chinese (Simplified), Chinese (Traditional), Russian, Arabic, Hindi, Thai, Turkish, Vietnamese, Swedish, Norwegian, Danish, Dutch, Romanian, Ukrainian, Czech, Polish, Croatian, Hungarian, Slovak, Malay, Indonesian, Urdu, Tamil, Telugu, and Bangla. - iPhone and iPad, with a layout built for each, plus Split View so you can convert alongside another app. - Mute the keypad and lock rotation if you prefer. - A dark design with bold, readable figures. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://developer-yl.github.io/convert-units/privacy.html
SmartStack
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Welcome to SmartStack, the ultimate inventory management solution designed for businesses of all sizes. Streamline your inventory processes, reduce manual errors, and unlock new levels of efficiency with our user-friendly app. Whether you're a small startup or a large enterprise, SmartStack is your go-to tool for seamless inventory control. Key Features: Real-Time Tracking: Stay updated with live inventory levels. Know what's in stock, what's running low, and what needs replenishing at a glance. Barcode Scanning: Simplify item logging with our quick and accurate barcode scanning feature. Use your device's camera for instant product identification and data entry. Customizable Inventory Categories: Organize your inventory your way. Create custom categories, tags, and fields that suit your business needs. Automated Alerts: Set up low stock alerts to ensure you never run out of key items. SmartStack keeps you one step ahead in your inventory management. User-Friendly Interface: Enjoy a clean, intuitive interface that makes inventory management a breeze, even for non-tech savvy users. Customizable to Your Needs: Tailor SmartStack to fit the unique demands of your business, regardless of your industry. Dedicated Support: Our team is committed to your success. Get fast, reliable support whenever you need it. Getting Started is Easy: Download SmartStack. Create your account. Start adding your inventory.
Screenshots
Verdict
The clearest difference is device support: CONVERT UNITS at 3 against SmartStack's —. On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | CONVERT UNITS | SmartStack |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.4K ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 1.4K — better | — |
| Update frequency | Fortnightly | — |
| Ads | Yes | — |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod — better | — |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 47 MB |
| Age rating | 4+ | 17+ |
| Developer | Adysseus | Ender OZTURK |
Bugs and requests
CONVERT UNITS
Reported bugs
2 issues- App got stuck, required uninstall/reinstall to fix
- Navigation issues, unable to get back to home page
Requested features
2 requests- Option to convert between functions (length to volume)
- Remember last conversion settings for each category
SmartStack
Not enough reviews yet to summarise bugs or requests.
In-app purchases
CONVERT UNITS
No in-app purchases
SmartStack
No in-app purchases
Questions
Is CONVERT UNITS free?
Is SmartStack free?
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