LifeCatcher vs Duck Calculator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LifeCatcher
This utility app uses AI to categorize objects within your photos. It provides counts for each category and records collection times, serving as an efficient data collection tool.
- AI object recognition
- Photo categorization
- Category counts
- Collection time recording
- Data collection tool
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LifeCatcher constructs on AI models of CV. User can use LifeCatcher to sort data by categories of objects in photos. At the same time, it also shows the number of categories of photos and records the collection time. Up to all, LifeCatcher is an excellent data collection tool.
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!
Screenshots
Verdict
The clearest difference is price: LifeCatcher at Free against Duck Calculator's $0.99. LifeCatcher also leads on update cadence (weekly vs every 7 months). On ads, in-app purchases, 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
LifeCatcher is free to download; Duck Calculator costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LifeCatcher ships an update weekly, Duck Calculator every 7 months. The most recent releases landed on October 4, 2026 and September 25, 2026 respectively.
| Parameter | LifeCatcher | Duck Calculator |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Weekly — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 17.6 | 16.0 — better |
| Further details — not scored | ||
| Size | 158 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Ocean Garden Prodects, Inc. | 德铭 何 |
Customer experience
LifeCatcher
Duck Calculator
In-app purchases
LifeCatcher
No in-app purchases
Duck Calculator
No in-app purchases
