CDBL vs Smart Bull
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CDBL
This app provides a secure and efficient way to manage securities transactions through a computerized book entry system. It eliminates the need for physical certificates, reducing risks and simplifying the settlement and transfer of ownership.
- Computerized book entry system
- Securities account management
- Electronic transfer of ownership
- Eliminates physical certificates
- Secure transaction settlement
- Information Security Management System certified
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Central Depository Bangladesh Limited (CDBL) was incorporated on 20 th August 2000 sponsored by the country's Nationalized Commercial Banks (NCBs), Investment Corporation of Bangladesh (ICB), Private Commercial Banks (PCBs), Foreign Banks, Merchant Banks, Publicly listed Companies, Insurance Companies and Dhaka & Chittagong Stock Exchanges with the collaboration of the Asian Development Bank (ADB). Legal basis for CDBL's operations is set out in the Depositories Act 1999, Depositories Regulations 2000, Depository (User) Regulations 2003, and the CDBL by-laws. CDBL's core services cover the efficient delivery, settlement and transfer of securities through computerized book entry system i.e. recording and maintaining securities accounts and registering transfer of securities; changing the ownership without any physical movement or endorsement of certificates and execution of transfer instruments. The Central Depository System (CDS) operated by CDBL has proved to be a convenient and reliable means to settle securities transaction. The investor has been freed from the hassles of physical handling of certificates, errors in paper work and the risks associated with damaged, lost and forged certificates. Live operations of the CDS commenced with the inauguration of the Electronic Government Securities Registry (EGSR) by the Governor of Bangladesh Bank on 20 th October 2003. The EGSR also serves as a platform for secondary market sale/purchase as well as Repo transactions of government securities to commercial banks linked online to the CDS. Equity market securities de materialization process i.e. eliminating physical certificate as record of security ownership by substituting it as an electronic book entry record in the CDS commenced on 24 th January 2004 with the entry of Square Pharmaceuticals Limited into the CDS. CDBL has achieved an ISO/IEC 27001:2013 certificate on Information Security Management System conforming to the specifications of ISO/IEC 27001:2013 and the best practices adopted in ISO/IEC 27002:2013.
Smart Bull
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Smart Bull is a trading platform built for both newcomers and seasoned investors, designed to offer a fast, simple, and reliable trading experience. It supports multiple asset types such as stocks and options and delivers live market updates along with detailed charting tools to help traders make confident decisions. What Smart Bull Offers: - Order Management: Place, edit, and monitor buy or sell orders with ease. - Real-time Notification: Receive real-time market updates with the real-time notification feature. - Live Market Updates: Get instant access to real-time prices, charts, and market reports. - Advanced Charts: Study market patterns using interactive charts and a wide range of technical indicators. - Risk Controls: Built-in features that follow exchange rules to help manage trading risks. - Portfolio Tracking: Keep an eye on all your investments and manage them in one place. - Custom Layouts: Adjust themes to the overall layout to match your preferences. Download Smart Bull and take your trading workflow to the next level with its clean design and powerful set of tools.
Screenshots
Verdict
The clearest difference is iOS requirement: CDBL at 13.0 against Smart Bull's 15.6. On price, update cadence, ads and in-app purchases 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.
CDBL ships an update every 5 weeks, Smart Bull every 2 months. The most recent releases landed on October 6, 2026 and October 4, 2026 respectively.
| Parameter | CDBL | Smart Bull |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 80 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Central Depository Bangladesh Limited | Smart Share and Securities Ltd |
In-app purchases
CDBL
No in-app purchases
Smart Bull
No in-app purchases









