Easy Input Calculator vs Deep ChatAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Easy Input Calculator
This calculator app features a simple, user-friendly design with large buttons and characters for easy visibility. It includes special buttons for quickly inputting billions, millions, and thousands, streamlining complex calculations. The app is available in over 60 languages and allows users to copy results to the clipboard.
- Large, easy-to-see buttons
- Large characters for high visibility
- Billion, Million, Thousand input buttons
- Copy calculation results to clipboard
- Supports over 60 languages
- Basic calculator functions
Read full descriptionHide full description
A calculator application with a simple design. Large buttons are easy to see and press. Large characters for high visibility and ease of use. Stress-free operation. Easy to use for everyone from children to seniors. Of particular note are the Billion, Million, and Thousand buttons. Using these buttons saves you the trouble of pushing 0 again and again, enabling quick input with a single touch. This makes it possible to rapidly enter the numbers that come into your head as if you were speaking. Of course, general calculator input methods are also possible. Functions ・Basic calculator functions. ・Buttons for Billion, Million, and Thousand that assist with input. ・Available in over 60 languages. ・Tap the calculation result display area to copy it to the clipboard.
Deep ChatAI
Engage in intelligent conversations with an AI assistant that can help solve problems, offer solutions, and teach you new things. Communicate via voice or text in multiple languages.
- Interactive AI conversations
- Problem-solving assistance
- Multilingual support
- Voice and text input
- Continuous learning
Read full descriptionHide full description
This is an extremely powerful AI interactive conversation tool and an excellent AI conversation partner for you, and it never stops teaching you novel things. Powerful AI artificial intelligence can help you solve a variety of problems, such as life trouble, work trouble, study problems, do not know what to cook in the kitchen and so on, it will give you the appropriate solution. It can speak many languages and can also talk to it by voice or text. The information it sends out is computer generated and may be fictitious, please decide for yourself. [Subscription cycle] Weekly subscription (1 week), quarterly subscription (3 months) [Subscription Price] Premium weekly subscription $3.99/ week, Premium annual subscription $14.9/ quarter 【 Payment 】 The purchase is credited to the iTunes account after the user confirms the purchase and makes the payment 【 Automatic renewal 】 Apple's iTunes account will be charged 24 hours before the account expires, and if the fee is successfully charged, the subscription will be extended for another period [Cancel Automatic renewal] The subscription will be automatically renewed. If you want to cancel the automatic renewal, please turn off the automatic renewal at least 24 hours before the expiration of the current subscription period. After closing, no deduction will be made. If not cancelled 24 hours before expiration, the subscription will be automatically renewed [Privacy Policy] https://h4c34cwjut.feishu.cn/docx/X3wxdQO8po4uONx5oyLcr7YDnOg [User Agreement] https://h4c34cwjut.feishu.cn/docx/X3wxdQO8po4uONx5oyLcr7YDnOg
Screenshots
Verdict
The clearest difference is review sentiment: Easy Input Calculator at 100% against Deep ChatAI's 0%. Easy Input Calculator also leads on in-app purchases (none vs 3). Deep ChatAI's advantage is price (Free vs $0.99) and update cadence (every 3 weeks vs every 4 months). On 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
Deep ChatAI is free to download; Easy Input Calculator costs $0.99 up front. Deep ChatAI sells 3 in-app purchases, starting at $3.99 per 7 days. Easy Input Calculator asks for nothing beyond the download.
Easy Input Calculator ships an update every 4 months, Deep ChatAI every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | Easy Input Calculator | Deep ChatAI |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 4.2 (38 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 0.0% of reviews |
| Number of ratings | — | 38 — better |
| Update frequency | Every 4 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid — better | Subscription |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 19 MB |
| Age rating | 4+ | 17+ |
| Developer | Yuta Kobayashi | VISUAL |
Customer experience
Easy Input Calculator
Deep ChatAI
In-app purchases
Easy Input Calculator
No in-app purchases
Deep ChatAI
- Chat AI$3.997 Days
- AI Quarterly Premium$14.993 Months
- Chat AI Buyout$29.99









