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Databases · head to head

IBM Db2 vs Qlik Sense

IBM Db2 logo

IBM Db2

Databases

The AI-powered database built for demanding enterprise workloads

From
Free
Rated
-
Full reviewWebsite
Qlik Sense logo

Qlik Sense

Business Intelligence

Self-service data analytics and visualization

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: IBM Db2 cloud-based Db2 is newer than mainframe version; some legacy mainframe features not yet available in cloud; Qlik Sense expensive pricing structure, particularly for enterprise users and large data volumes
  • They diverge on capability: IBM Db2 covers AI-powered Query Optimization, Qlik Sense covers Associative Engine.
  • Prices and features above were last checked on 30 August 2026.

Where they differ

Only the attributes on which IBM Db2 and Qlik Sense actually diverge.

Attributes where IBM Db2 and Qlik Sense differ
AttributeIBM Db2Qlik Sense
PlatformsIBM Cloud, On-premises (mainframe), Linux, UNIXWeb (Cloud), Desktop (Windows), Mobile (iOS/Android)
CategoryDatabasesBusiness Intelligence
Founded19831993

Identical on both: starting price (Free), pricing model (Unknown), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in IBM Db2

  • AI-powered Query Optimization
  • Data Virtualization
  • Advanced Compression
  • pureScale Clustering
  • BLU Acceleration
  • Workload Management
  • Federated Queries
  • IBM Cloud

Only in Qlik Sense

  • Associative Engine
  • AI Insights
  • Augmented Analytics
  • Natural Language
  • Alerting
  • SAP
  • Salesforce
  • ServiceNow

What people use each for

The jobs each tool is most often brought in to do.

IBM Db2

  • Transaction processingnot Qlik Sense
  • Data storagenot Qlik Sense
  • Application backendnot Qlik Sense
  • Reportingnot Qlik Sense
  • Data analyticsnot Qlik Sense

Qlik Sense

  • Self-service analyticsnot IBM Db2
  • Data explorationnot IBM Db2
  • Ad-hoc reportingnot IBM Db2
  • Collaborative analysisnot IBM Db2
  • Embedded analyticsnot IBM Db2

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

IBM Db2

  • Cloud-based Db2 is newer than mainframe version; some legacy mainframe features not yet available in cloud
  • Pricing complexity with hourly billing for compute and storage can result in unpredictable costs
  • Less community support and documentation compared to open-source alternatives like PostgreSQL
  • Requires IBM expertise and tools for optimal configuration and tuning
  • Migration from mainframe Db2 to cloud Db2 requires careful planning and testing

Qlik Sense

  • Expensive pricing structure, particularly for enterprise users and large data volumes
  • Performance degradation when working with very large datasets
  • Limited field capacity and strict 10 GB data limit on Starter plan ($300/month)
  • Weak date handling in set analysis compared to other BI tools
  • Poor API usability, particularly for Python scripts and integration workflows

Pricing, plan by plan

IBM Db2

Free
  • Free TierFree
    • Entry-level exploration
    • Limited resources
  • Standard$99/month
    • Production-ready workloads
    • Shared computing resources
  • Enterprise$969/month
    • Dedicated computing resources
    • Enhanced capabilities

Qlik Sense

Free
  • Qlik Sense Business (Desktop)Free
    • Personal dashboards
    • No content sharing
    • Desktop only
  • Starter$300/month
    • 10 users
    • 10 GB data for analysis
    • Cloud-based
  • Standard$825/month
    • Unlimited users
    • 25 GB data for analysis
    • Advanced analytics
  • Premium$2750/month
    • Unlimited users
    • 50 GB data for analysis
    • Enhanced support

Which should you pick?

Choose IBM Db2 if

  • You need ai-powered query optimization.
  • You want to start without paying.
  • You work on IBM Cloud, On-premises (mainframe), Linux, UNIX.
  • You also want data virtualization.
IBM Db2 review

Choose Qlik Sense if

  • You need associative engine.
  • You want to start without paying.
  • You work on Web (Cloud), Desktop (Windows), Mobile (iOS/Android).
  • You also want ai insights.
Qlik Sense review

Questions people ask

Is IBM Db2 or Qlik Sense better?
Neither clearly leads. IBM Db2 starts at Free and Qlik Sense at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, IBM Db2 or Qlik Sense?
IBM Db2 starts at Free and Qlik Sense at Free.
Does IBM Db2 or Qlik Sense run on more platforms?
IBM Db2 runs on IBM Cloud, On-premises (mainframe), Linux, UNIX. Qlik Sense runs on Web (Cloud), Desktop (Windows), Mobile (iOS/Android).
Can I use IBM Db2 for free?
Both have a free tier, so you can try either at no cost before committing.
What is IBM Db2 best used for?
IBM Db2 is most often used for transaction processing, data storage, application backend, reporting. Of those, transaction processing and data storage are not what Qlik Sense is typically brought in for.
What can IBM Db2 do that Qlik Sense cannot?
IBM Db2 covers AI-powered Query Optimization, Data Virtualization, Advanced Compression, pureScale Clustering. Qlik Sense covers Associative Engine, AI Insights, Augmented Analytics, Natural Language.

Answered from the vendors’ own pages

IBM Db2: What is IBM Db2?

IBM Db2 is a cloud-based relational database management system designed for enterprise data management. It evolved from IBM's research into relational databases in the 1970s and launched for mainframe systems in 1983.

Source
Qlik Sense: Does Qlik Sense have a free tier?

Qlik Sense Business (Desktop) is permanently free for individual users for creating personal dashboards, though content cannot be shared. Qlik Cloud Analytics offers a 30-day free trial with full features.

Source
IBM Db2: What are the pricing tiers for IBM Db2 cloud database?

IBM Db2 offers a perpetually free tier for exploration, Standard tier starting at $99/month (billed hourly), and Enterprise tier starting at $969/month (billed hourly). Storage costs $0.000282 per GB per hour across tiers.

Source
Qlik Sense: What is the entry price for Qlik Cloud Analytics?

Qlik Cloud Analytics Starter plan starts at $300 per month (annual billing) for 10 users and 10 GB of data. Standard is $825/month for 25 GB with unlimited users. Premium is $2,750/month for 50 GB.

Source
IBM Db2: Does Db2 support automatic failover and disaster recovery?

Yes. Db2 includes HADR (High Availability Disaster Recovery) with multizone region support, point-in-time recovery, built-in self-service snapshots, and geo-replicated data recovery backups.

Source
Qlik Sense: How many users can access Qlik Sense?

The Starter plan is limited to 10 users. Standard, Premium, and Enterprise plans include unlimited users and charge based on data capacity (gigabytes) rather than seat count.

Source
IBM Db2: Can Db2 scale horizontally?

Yes. Db2 supports both vertical and horizontal scaling through its pureScale architecture, allowing it to handle growing data volumes while maintaining performance for mission-critical applications.

Source
Qlik Sense: What is the Associative Engine in Qlik Sense?

The Associative Engine is Qlik's proprietary technology that automatically discovers and explores all possible relationships between data points, enabling intuitive analysis compared to traditional query-based BI tools.

Source
IBM Db2: How long has DB2 been in production?

DB2 launched in June 1983 on the MVS operating system and has operated for over 40 years. It remains the foundational database for the largest enterprises globally, managing data for financial, retail, healthcare, and insurance institutions.

Source
Qlik Sense: Does Qlik Sense support self-service analytics?

Yes, Qlik Sense is designed for self-service business intelligence, allowing business users to create dashboards and explore data without extensive technical knowledge, though complex implementations require expertise.

Source
Qlik Sense: Is Qlik Sense available on-premises?

Yes, Qlik offers both cloud-based (Qlik Cloud Analytics) and on-premises deployment options, though on-premises licensing requires a separate quote.

Source
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