Ducker Detective vs Collateral Appraisal
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ducker Detective
Easily calculate anyone's age using their birth month and day. This tool can help you verify ages, play harmless pranks, or even predict baby birth dates based on due dates.
- Calculate age from birth month and day
- Verify ages
- Predict baby birth dates
- Play age-related jokes
- Age verification tool
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Do you want to find out people’s age with just the month and day of birth or want to calculate someone’s age using the built-in Age Calculator.You can find out your favorite celebrity or friends’ age also. Check when people are lying about their age. Ducker Detective is a great tool to have. Play a joke on someone and ask them for their month and day of birth and surprise them with their age or with the year they were born. Even more, do you want to predict a baby’s birth based on the doctor's expected birth to get a more accurate prediction.
Collateral Appraisal
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Tired of manually collecting property details for appraisals? Collateral Appraisal simplifies the process! Key Features: - Create & manage collateral information: Easily capture basic property details and photos directly on your phone. - Generate professional PDF reports: Present a well-organized report for appraisers with a few clicks. - Share reports easily: Share your generated PDF reports via email or other apps with ease.
Screenshots
Verdict
The clearest difference is in-app purchases: Collateral Appraisal at none against Ducker Detective's 10. On price, update cadence, 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
Both are free to download. Ducker Detective sells 10 in-app purchases, starting at $0.99 per month. Collateral Appraisal asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | Ducker Detective | Collateral Appraisal |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (24 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 24 — better | — |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 14.0 — better |
| Further details — not scored | ||
| Size | 100 MB | 57 MB |
| Age rating | 4+ | 17+ |
| Developer | Ducker Detective, LLC | Chung-Wei Hung |
In-app purchases
Ducker Detective
- GIF subscription monthly$0.991 Month
- Sticker subscription monthly$0.991 Month
- StickerGIF subscription montly$0.991 Month
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- GIF subscription six month$4.996 Months
- Sticker subscription six month$4.996 Months
- StickerGIF Six-Month Plan$4.996 Months
- Ad-Free Subscription Yearly$9.991 Year
- GIF subscription yearly$9.991 Year
- Sticker subscription yearly$9.991 Year
- StickerGIF subscription yearly$9.991 Year
Collateral Appraisal
No in-app purchases
Questions
Is Ducker Detective free?
Is Collateral Appraisal free?
Do Ducker Detective or Collateral Appraisal have ads?
Which is updated more often, Ducker Detective or Collateral Appraisal?
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