Comparison

DEVIA Audio vs LFA Stairs Pro

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

DEVIA Audio

Features
Read full description

【Smart Earbuds Companion - Redefining Your Listening Experience】 Effortlessly control your smart earbuds, ensuring every listening moment is just right. === Core Features === ▸ One-Stop Device Management Automatically detects and connects to your smart earbuds, displaying real-time battery levels for both earbuds and the charging case. Low-battery alerts prevent unexpected power-offs. ▸ Personalized Sound Tuning Built-in equalizer and multiple preset sound profiles for precise tuning based on your listening preferences and music genres. ▸ Convenient Function Settings Customize earbud touch gestures (track skipping, answering calls, activating voice assistants, etc.) and configure double-tap/long-press actions to tailor interactions to your habits. ▸ Find My Earbuds If your earbuds go missing, use the “Find My Earbuds” feature to locate their last connected position and trigger an audible alert (within Bluetooth range) for easy retrieval. === About Us === We're dedicated to enhancing your listening experience through technological innovation. For any questions or suggestions, feel free to reach out via the app's “Settings > Feedback” section. Let sound understand you better.

About

LFA Stairs Pro

Features
Read full description

LFA Stairs is the professional carpentry and design tool for laying out staircases on the jobsite. Enter the total rise and width, and you immediately get the riser and tread layout, dimensioned CAD blueprints, an interactive 3D model, and a complete cut list with every piece measured. ELEVEN STAIR TYPES • Straight • L-shape left and right • Winder L-shape • 180° U-shape • Winder U-shape • Spiral / Helical • Floating Cantilever • Curved • Mono-Stringer • Open Riser WHAT YOU GET • Riser and tread layout with exact floor arrival height • 2D CAD plan: plan view, front and side elevations, fully dimensioned • 3D stair that you can rotate and zoom with your fingers • Detail card for each piece: cut length, cross section, bevel angles, bearing points, and fasteners • Complete cut list ready for the lumberyard • Stringers, risers, treads, landings, railing, and skirtboards RAILINGS Wood balusters, wrought iron, glass panels, stainless steel cable, horizontal slats, and industrial pipe. Baluster spacing is computed automatically and checked against the clear-opening limit. BUILDING CODES Calculations follow the International Residential Code (IRC): riser height (R311.7.5.1), tread depth (R311.7.5.2), walkline in spirals (R311.7.10.1), 4-inch sphere rule for balusters (R312.1.3), landings (R311.7.6), and handrail height (R311.7.8.1). The app alerts you when any dimension falls outside IRC limits. EXPORT AND SHARE • PDF report with full technical specifications and jobsite plans • 3D and CAD exports in OBJ, DAE, and DXF IN YOUR LANGUAGE AND UNITS English and Spanish. Inches and feet, or metric. WORKS OFFLINE Calculation, design, and 3D viewer do not require an internet connection. Your projects and dimensions are saved locally on your device. PREMIUM SUBSCRIPTION PDF and CAD exports are included in the optional subscription. All Results tabs can be viewed without a subscription. • Monthly and annual plans with prices shown in the app for your region. • A 7-day free trial may be available to eligible new subscribers. Subscription automatically renews through your Apple ID unless canceled in iOS Settings at least 24 hours before the end of the current period. Made by LFA Interiors and Construction LLC. Privacy Policy: https://lfa-legal.surge.sh/privacy.html Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

DEVIA Audio4 screens
LFA Stairs Pro4 screens

Verdict

The call

The clearest difference is in-app purchases: DEVIA Audio at none against LFA Stairs Pro's 2. DEVIA Audio also leads on iOS requirement (12.0 vs 17.0). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LFA Stairs Pro sells 2 in-app purchases, starting at $2.99 per month. DEVIA Audio asks for nothing beyond the download.

Scorecard2 real differences · 4 level
DEVIA Audio versus LFA Stairs Pro: the parameters behind the verdict, then further details
ParameterDEVIA AudioLFA Stairs Pro
PriceFreeFree
Update frequencyWeekly—
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPodiPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size108 MB20 MB
Age rating4+4+
DeveloperDongguan Siteng Zhiyuan Technology Co.,Ltd.Lorenzo Francisco Almonte

In-app purchases

None

DEVIA Audio

No in-app purchases

2 purchases

LFA Stairs Pro

Subscriptions2
  • Premium Monthly7 Days trial$2.991 Month
  • Premium Annual7 Days trial$29.991 Year

Questions

Is DEVIA Audio free?
DEVIA Audio is free to download, with no in-app purchases.
Is LFA Stairs Pro free?
LFA Stairs Pro is free to download, with in-app purchases available.
Do DEVIA Audio or LFA Stairs Pro have ads?
Neither DEVIA Audio nor LFA Stairs Pro shows ads.

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