Comparison

OneCall vs QR Studio

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

Head to head
About

OneCall

Features
Read full description

Your Call. Your Code. Your Privacy. Stop sharing your personal info just to make a quick video call. OneCall is the ultimate peer-to-peer (P2P) communication tool designed for those who value privacy and speed. No accounts, no phone numbers, and no data collection. Why OneCall? Most calling apps require your email, phone number, or social media profile. OneCall requires nothing. Just generate a code, share it, and start talking. When the call is over, the code expires. Simple as that. How It Works: Generate: Create a unique, one-time-use session code with a single tap. Invite: Share the code with your contact via any messaging app. Connect: Enjoy a high-quality video or audio session directly between your devices. Key Features: 100% Peer-to-Peer: Your video and audio travel directly between you and your contact. No intermediate servers process your data. Zero Registration: No sign-ups, no passwords, and no onboarding. Instant access to secure communication. One-Time Session Codes: Each session is isolated and temporary, ensuring your call remains private. Crystal Clear Quality: Optimized P2P architecture provides low-latency audio and HD video. Total Privacy: We don't collect, store, or sell your personal information or call logs. Use It For: Quick professional consultations. Private business conversations. Fast, one-off syncs with teammates. Secure calls without creating yet another account. Simple, private, and secure. That's OneCall. Download now. Terms of Use (EULA): https://feudalys.com/terms

About

QR Studio

Features
Read full description

QR Studio creates stunning, industry-specific QR codes powered by AI โ€” in seconds. Instead of a plain black-and-white square, get a beautiful, genuinely scannable QR code that reflects your business: your cafe's vibe, your hotel's elegance, your wedding's charm. HOW IT WORKS 1. Choose your industry (Cafe & Restaurant, Hotel, Wedding & Events, Clinic & Health, Business & Services) 2. Pick from 30+ ready-made design styles 3. Enter your website, menu link, or any text 4. AI generates your custom QR code in 30-90 seconds FEATURES - 5 categories, 30+ industry-specific design styles - A unique, custom visual on every generation - Automatic scan validation โ€” your QR is delivered scannable - Switch between HD artwork and the scannable version - Share as PNG or PDF (512px, 1024px, 2048px โ€” print-ready) - Save to Photos with one tap - History: always find the QR codes you've created WHO IS IT FOR? - Restaurants and cafes putting QR menus on tables - Hotels offering guests digital information - Couples adding a stylish touch to invitations - Clinics sharing appointment and contact info - Any business modernizing its storefront and business cards Your first QR is on us! After that, buy as many credits as you need โ€” no subscription, no hidden fees. Every generated QR is validated on your device and can be exported in high resolution. Design power from AI, reliability from the QR standard.

Screenshots

OneCall3 screens
QR Studio4 screens

Verdict

The call

The clearest difference is in-app purchases: QR Studio at none against OneCall's 1. QR Studio also leads on ads (none vs shown) and update cadence (daily vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. OneCall sells 1 in-app purchase, starting at $0.29 per month. QR Studio asks for nothing beyond the download.

UpkeepUpdate frequency

OneCall ships an update every 3 months, QR Studio daily. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

Scorecard3 real differences ยท 3 level
OneCall versus QR Studio: the parameters behind the verdict, then further details
ParameterOneCallQR Studio
PriceFreeFree
Update frequencyEvery 3 monthsDaily โ€” better
AdsYesNo โ€” better
In-app purchasesYesNo โ€” better
DevicesiPhone, iPad โ€” betteriPhone
Requires iOS17.016.0 โ€” better
Further details โ€” not scored
Size21 MB3 MB
Age rating4+4+
DeveloperKerem GonlkrmazVolkan Emrah Sumer

In-app purchases

1 purchases

OneCall

Subscriptions1
  • Remove Ads$0.291 Month
None

QR Studio

No in-app purchases

Questions

Is OneCall free?
OneCall is free to download, with in-app purchases available.
Is QR Studio free?
QR Studio is free to download, with no in-app purchases.
Do OneCall or QR Studio have ads?
OneCall shows ads; QR Studio does not.
Which is updated more often, OneCall or QR Studio?
OneCall ships an update every 3 months, and QR Studio daily. Most recently, OneCall was updated on November 5, 2026 and QR Studio on November 10, 2026.

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