Japan Cloud vs CalcKey
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Japan Cloud
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Com a gravação em nuvem dos vídeos da sua câmera de segurança, você pode não apenas assistir às imagens ao vivo, mas também consegue acessar as gravações de forma simples e rápida. Volte na linha do tempo com apenas um clique e não perca nenhum evento do seu vídeo de segurança. Quer ainda mais segurança? Com nosso BOTÃO DE PÂNICO você consegue notificar sua rede de contatos caso esteja em uma situação de risco.
CalcKey
Perform calculations directly within any app using a smart keyboard extension. Get instant results for basic and scientific equations, with a history of your calculations. Enjoy a seamless typing experience and smart formatting.
- Keyboard calculator extension
- Real-time results
- Basic & scientific calculators
- Calculation history
- Smart formatting
- Standalone app option
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CalcKey – Smart Calculator Keyboard Calculate Instantly. Anywhere. Anytime. No more switching between apps just to do quick math! With CalcKey, you get a powerful calculator app and an intelligent keyboard extension — so you can calculate right inside Messages, Notes, Mail, or any app without ever leaving your screen. Key Features: - Keyboard Calculator Extension – Instantly calculate while chatting or typing. Works in Messages, WhatsApp, Notes, and more! - Real-Time Results – Get instant answers as you type. - Basic & Scientific Calculators – From quick sums to advanced equations, CalcKey does it all. - Calculation History – View, copy, or reuse past results easily. - Haptic Feedback – Enjoy subtle vibrations for a smooth typing experience. - Smart Formatting – Supports decimals, thousands separators, and clear result display. - Works Everywhere – Use it as a standalone app or directly from your keyboard. Perfect for messaging apps! Reply, calculate, and chat — all without leaving the conversation. CalcKey makes multitasking effortless. Subscription Pricing, Policy & Terms: - Monthly Plan - $3.99/per month - LifeTime Access - $19.99/One time charge - Subscription automatically renews unless auto-renew is turned off at least 24 - hours before the end of the current period. - Payment will be charged to iTunes Account at confirmation of purchase. - Account will be charged for renewal within 24-hours prior to the end of the current period. - No cancellation of the current subscription is allowed during the active subscription period. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period will be forfeited when the user purchases a subscription. Terms & Condition: https://www.righttracksit.com/calckey/terms Privacy Policy: https://www.righttracksit.com/calckey/privacy-policy
Screenshots
Verdict
The clearest difference is in-app purchases: Japan Cloud at none against CalcKey's 2. CalcKey's advantage is update cadence (every 3 weeks vs every 2 months). On price, 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
Both are free to download. CalcKey sells 2 in-app purchases, starting at $3.99 per month. Japan Cloud asks for nothing beyond the download.
Japan Cloud ships an update every 2 months, CalcKey every 3 weeks. The most recent releases landed on October 26, 2026 and November 5, 2026 respectively.
| Parameter | Japan Cloud | CalcKey |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.0 (10 ratings) — better |
| Positive reviews | — | 33.3% of reviews |
| Number of ratings | — | 10 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15 — better |
| Further details — not scored | ||
| Size | 71 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | JAPAN SECURITY SISTEMAS DE SEGURANÇA | Right Tracks IT Limited |
In-app purchases
Japan Cloud
No in-app purchases
CalcKey
- CalcKey Pro Monthly3 Days trial$3.991 Month
- One time purchase$19.99









