# Ducker Detective vs Zebra.

The clearest difference is in-app purchases: Zebra. at none against Ducker Detective's 11. Zebra. also leads on update cadence (every 4 days vs every 2 months) and rating (5.0 vs 4.8). Ducker Detective's advantage is ratings volume (24 vs 1) and device support (3 vs 1). On price, review sentiment and ads there is nothing between them.

Both are free to download. Ducker Detective sells 11 in-app purchases, starting at $0.99 per month. Zebra. asks for nothing beyond the download.

Zebra. holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Ducker Detective has 24 ratings behind it against 1, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Ducker Detective ships an update every 2 months, Zebra. every 4 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | Ducker Detective | Zebra. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (24 ratings)](https://appshunter.io/ios/app/ducker-detective/id1555299893/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/zebra/id6737943408/reviews)** |
| Number of ratings | **24** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 100 MB | 19 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ducker Detective, LLC](https://appshunter.io/developer/1555299895) | [Shevat Ventures llc](https://appshunter.io/developer/1778587719) |

## What reviewers say

### Ducker Detective

[App page](https://appshunter.io/ios/app/ducker-detective/id1555299893)

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.

**Highlights:** Calculate age from birth month and day, Verify ages, Predict baby birth dates, Play age-related jokes, Age verification tool

**Features:** Apple Wallet, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free Subscription Monthly | $0.99 | per month |
| GIF subscription monthly | $0.99 | per month |
| Sticker subscription monthly | $0.99 | per month |
| StickerGIF subscription montly | $0.99 | per month |
| GIF subscription six month | $4.99 | per 6 months |
| Sticker subscription six month | $4.99 | per 6 months |
| StickerGIF Six-Month Plan | $4.99 | per 6 months |
| Ad-Free Subscription Yearly | $9.99 | per year |
| GIF subscription yearly | $9.99 | per year |
| Sticker subscription yearly | $9.99 | per year |
| StickerGIF subscription yearly | $9.99 | per year |


### Zebra.

[App page](https://appshunter.io/ios/app/zebra/id6737943408)

Never forget important dates like birthdays and anniversaries again. This app helps you track special moments with smart reminders and personalized message options. It offers visual celebrations and ensures your contact data remains private and secure.

**Highlights:** Event tracking for birthdays and anniversaries, Smart, timely event notifications, Customizable message templates with emojis/images, Easy contact syncing, Visual celebration animations, Privacy-focused contact management

**In-app purchases:** none


## Frequently asked questions

### Is Ducker Detective free?

Ducker Detective is free to download, with in-app purchases available.

### Is Zebra. free?

Zebra. is free to download, with no in-app purchases.

### Which has better reviews, Ducker Detective or Zebra.?

Zebra. is rated higher. Ducker Detective averages 4.8 out of 5 from 24 ratings, while Zebra. averages 5.0 from 1 ratings.

### Do Ducker Detective or Zebra. have ads?

Neither Ducker Detective nor Zebra. shows ads.

### Which is updated more often, Ducker Detective or Zebra.?

Ducker Detective ships an update every 2 months, and Zebra. every 4 days. Most recently, Ducker Detective was updated on October 24, 2026 and Zebra. on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*