Comparison

OpenScreen vs Calculator .

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

Head to head
About

OpenScreen

Features
Read full description

OpenScreen turns your raw screen recordings into polished, professional demo videos — right on your iPhone and iPad. THE FEATURE NOBODY ELSE HAS Record your voice-over narration while zooming into details and drawing on the screen at the same time. Hit record, talk through your product or tutorial, tap to zoom into any spot (2×/3×), and draw to highlight what matters. Everything is captured live and perfectly in sync — one take, done. RECORD & NARRATE • Watch your video while recording voice-over + front camera • Tap anywhere to zoom in as you speak • Draw freehand to circle, underline and point • Draggable, resizable camera bubble (circle / rounded / square) POLISH ON THE TIMELINE • Buttery-smooth region zoom & pan (1.25×–5×) with Screen Studio–style bezier easing • Text, arrow & image annotations • Mosaic blur to hide sensitive info • Trim clips and change speed (0.25×–5×) • Beautiful backgrounds: color, gradient, image + padding & rounded corners • Tap/touch highlight rings and picture-in-picture overlay EXPORT FOR EVERY PLATFORM • 16:9 (YouTube), 9:16 (TikTok / Reels / Shorts), 1:1, 4:5, 4:3 • Up to 4K, H.265 / H.264 • One-tap share to Photos, socials or AirDrop QUICK TOOLBOX Compress, convert, mute, rotate, crop, watermark, merge, split, reverse, extract audio, denoise, extract frames, make Live Photos — all in one place. Perfect for product demos, app previews, software tutorials, online courses, customer support clips and social content. No account. No subscription. No watermark. Your videos never leave your device.

About

Calculator .

This utility app combines standard and scientific calculations with unit and currency conversions. It features a clean interface, calculation history, and automatic rate updates for currencies. Easily switch between functions without leaving the app.

Highlights
  • Standard and scientific calculator
  • Unit conversion (length, weight, area, volume, temperature)
  • Currency conversion with automatic rate updates
  • Calculation history
  • Distraction-free dark interface
Features
Read full description

【NeonCalculator】 is a four-in-one calculator that handles everyday math, scientific functions, unit conversion, and currency conversion in one place, so calculating and converting happen without switching apps. Standard & Scientific Move freely between a clean standard keypad and scientific functions such as trigonometry, logarithms, powers, and constants for both quick sums and more advanced work. Unit Conversion Convert length, weight, area, volume, and temperature with results that update as you type, and swap the source and target units with a single tap. Currency Conversion Work with major world currencies, refresh reference rates automatically when online, and get an instant converted amount as soon as you enter a value. Calculation History Every result is saved in order, and tapping any entry brings it back so you can continue without retyping. Clean, Focused Layout A dark, distraction-free interface keeps the numbers at the center of the screen for comfortable reading, even over long sessions. From a quick total to a detailed conversion, NeonCalculator keeps your numbers tidy and within reach. Download it today. Premium Account Pricing and Terms $9.99/week* $39.99/year* *Prices are shown in US dollars; the actual charge may be converted to your local currency based on your country or region. Payment will be charged to your iTunes account at confirmation of purchase. Subscriptions renew automatically unless auto-renew is turned off at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours prior to the end of the current period, and the cost of renewal will be shown. Subscriptions may be managed by the user. Auto-renewal may be turned off by going to the user's Account Settings after purchase. Cancellation of the current subscription is not allowed during an active subscription period. Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://laiyuzone.xyz/jisuanqi/privacy.html

Screenshots

OpenScreen4 screens
Calculator .4 screens

Verdict

The call

The clearest difference is price: Calculator . at Free against OpenScreen's $5.99. OpenScreen's advantage is in-app purchases (none vs 4). On update cadence, ads, 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

CostPrice · In-app purchases · Ads · Monetization

Calculator . is free to download; OpenScreen costs $5.99 up front. Calculator . sells 4 in-app purchases, starting at $4.99 per 7 days. OpenScreen asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard2 real differences · 7 level
OpenScreen versus Calculator .: the parameters behind the verdict, then further details
ParameterOpenScreenCalculator .
Price$5.99Free — better
Rating—3.4 (10 ratings) — better
Number of ratings—10 — better
Update frequencyFortnightlyFortnightly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS17.016.0 — better
Further details — not scored
Size5 MB7 MB
Age rating4+4+
Developer建斌 孙Hong Kong Global Cross-Border E-Commerce Co., Limited

In-app purchases

None

OpenScreen

No in-app purchases

4 purchases

Calculator .

Subscriptions4
  • Weekly Peak3 Days trial$4.997 Days
  • Weekly Ring3 Days trial$9.997 Days
  • Yearly Peak$39.991 Year
Show 1 more
  • Yearly Ring$39.991 Year

Questions

Is OpenScreen free?
OpenScreen costs $5.99, with no in-app purchases.
Is Calculator . free?
Calculator . is free to download, with in-app purchases available.
Do OpenScreen or Calculator . have ads?
Neither OpenScreen nor Calculator . shows ads.
Which is updated more often, OpenScreen or Calculator .?
OpenScreen ships an update fortnightly, and Calculator . fortnightly. Most recently, OpenScreen was updated on October 28, 2026 and Calculator . on October 31, 2026.

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