İBB KareKod vs Düdüğüm
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
İBB KareKod
This utility app allows users to quickly access information and features about services by scanning QR codes with their mobile devices. It facilitates faster and more practical access to details, acting as an efficient tool for information sharing.
- QR code scanning
- Access service information
- Fast and practical information retrieval
- Mobile device integration
Read full descriptionHide full description
IBB Karekod İstanbul Büyükşehir Belediyesinin vatandaşlara sunmuş olduğu barkod tarayıcı uygulamasıdır. Karekod Nedir ? Karekodlar , sunulan hizmetler hakkındaki bilgiye ve özelliklere mobil cihazlar sayesinde daha hızlı ve pratik bir şekilde ulaşılmasını sağlar. Karekodlar dünyadaki bilgi paylaşımının hızlandırmada en etkin görsel unsurlardan biridir.
Düdüğüm
This app generates a whistle sound to signal your location in emergencies or when trapped. It can also send an SMS to pre-selected contacts to inform them of your safety status. The application is free and ad-free, developed for humanitarian purposes.
- Generates whistle sound
- Sends location SMS
- Pre-set contact alerts
- Ad-free experience
- Humanitarian purpose
Read full descriptionHide full description
Enkaz altında iken veya Acil durumlarda düdük sesi çıkartarak konumuzun belirlenip, önceden belirlediğiniz numaralara SMS göndererek Güvende olup olmadığınızı bildirir. Uygulamamız reklam içermez. ve herhangi bir maddi gelir elde etmek veya veri toplamak amacı ile değil, insanlık namına yapılmış bir uygulamadır. Yorum ve eleştirilerinizi bu minvalde yaparsanız sevinirim.
Screenshots
Verdict
The clearest difference is update cadence: Düdüğüm at every 6 weeks against İBB KareKod's every 12 months. İBB KareKod's advantage is review sentiment (100% vs 86%) and iOS requirement (10.0 vs 15.6). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
İBB KareKod ships an update every 12 months, Düdüğüm every 6 weeks. The most recent releases landed on October 20, 2026 and October 23, 2026 respectively.
| Parameter | İBB KareKod | Düdüğüm |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.7 (3 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 86.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 12 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 35 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | Istanbul Büyükşehir Belediye Başkanlığı | HDS OTOMASYON GUVENLIK VE YAZILIM TEKNOLOJILERI SANAYI TICARET LIMITED SIRKETI |
Customer experience
İBB KareKod
Düdüğüm
In-app purchases
İBB KareKod
No in-app purchases
Düdüğüm
No in-app purchases
