Duck Calculator vs Cat Bowl
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Duck Calculator
This app appears as a standard calculator but has a hidden "magic" mode. It can display preset text or images when a specific number is calculated, offering creative surprises for pranks or confessions.
- Accurate standard calculations
- Magic mode for custom results
- Display preset text or pictures
- Customizable magic effects
- Secret and low-key design
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There is no magic in this world itself, it is just a trick prepared by people who love you. This love may only need a magic calculator. The Real Fake calculator is a seemingly ordinary calculator, but it hides amazing "magic" features. When entering a specific number, it will instantly display your preset text or picture, bringing unexpected surprises to ordinary calculations. This is not only a tool, but also a trick full of creativity and love. Main functions: • Accurate calculation, full functionality: Like ordinary calculators, support daily computing needs. • Magic mode: Set a "magic result" and when this number is calculated, the calculator will display your own text or picture. • Custom magic effects: Whether it's a romantic confession, a funny picture, or a stunning puzzle, it's easy to set up and surprise. • Secret and low-key: Looks like a regular calculator, whether it's a prank or a confession, it will surprise people. Let the Duck calculator bring you to feel the miraculous warmth and fun!
Cat Bowl
This tool uses AI to convert your spoken words into mobile-friendly HTML web pages. Save your ideas as persistent, editable pages locally for notes, to-dos, or learning materials.
- Voice to webpage conversion
- Local data persistence
- One-tap reset
- Privacy-focused design
- Minimalist user interface
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CatBowl: AI Voice-to-HTML Assistant CatBowl is an innovative tool that transforms your speech into beautiful, mobile-friendly HTML pages using AI. Simply speak, and CatBowl generates and saves your ideas as persistent web pages—perfect for notes, to-dos, drafts, or learning materials. Key Features: Voice to Webpage: Instantly convert your ideas into editable HTML pages by speaking. Local Persistence: All content is saved locally for offline access and long-term storage. One-Tap Reset: Easily clear webpage cache and reset to the initial state. Privacy First: All data stays on your device; API keys are securely stored. Minimalist UI: Clean, intuitive interface—no complicated setup required. Ideal for capturing inspiration, organizing knowledge, and quickly building personal web pages.
Screenshots
Verdict
The clearest difference is update cadence: Cat Bowl at every 2 days against Duck Calculator's every 7 months. Duck Calculator's advantage is price ($0.99 vs $2.99). On ads, in-app purchases, monetization model 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
Duck Calculator costs $0.99 and Cat Bowl $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Duck Calculator ships an update every 7 months, Cat Bowl every 2 days. The most recent releases landed on October 11, 2026 and October 30, 2026 respectively.
| Parameter | Duck Calculator | Cat Bowl |
|---|---|---|
| Price | $0.99 — better | $2.99 |
| Positive reviews | 100.0% of reviews | — |
| Update frequency | Every 7 months | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 15.6 — better |
| Further details — not scored | ||
| Size | 1 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | 德铭 何 | 幻物藏科技 |
In-app purchases
Duck Calculator
No in-app purchases
Cat Bowl
No in-app purchases









