If you're trying to choose between Mixpanel, Amplitude Analytics, Heap, and PostHog for your product analytics needs, you've come to the right place. We used Oden to analyze G2 reviews from the last 6 months, dug through recent Reddit discussions (May 2025 - November 2025), and compared current pricing across all four platforms to give you a clear picture of which one might work best for you.

This comparison covers everything from pricing and features to what real customers are saying. Whether you're a product manager looking for detailed user insights, a startup needing cost-effective analytics, or an enterprise requiring robust data governance, we break down the strengths, weaknesses, and true costs of each platform so you can make an informed decision.

Which product analytics platform has the best G2 rating?

G2 Performance Metrics

Source: Mixpanel G2 Reviews, Amplitude Analytics G2 Reviews, Heap G2 Reviews, PostHog G2 Reviews

How much do product analytics platforms really cost?

Mixpanel Pricing

Source: Mixpanel Pricing

Free Tier: Up to 1 million monthly events free

Growth: Usage-based pricing

• 1M monthly events free, then $0.28 per 1K events (volume discounts available)
• Unlimited reports
• 20K monthly session replays free
• Cohorts and advanced analytics features
• Funnel analysis
• Retention reports

Enterprise: Custom pricing (contact sales)

• Custom event volumes
• Annual contracts available
• Dedicated support
• Advanced security features

Reddit Feedback: "Mixpanel pricing model based on monthly tracked users (MTU) can be very expensive" - Mixpanel Reddit Discussion

G2 Review: "With recent changes in the pricing which makes it event-based, it created an issue like it forces us to think which event to fire always. Our development cycle is involved, so we moved to Amplitude which is based on user-based pricing" - Mixpanel G2 Review by Harshvardhan M. (August 2025)

Amplitude Analytics Pricing

Source: Amplitude Pricing

Starter (Free): Free plan available

• 50K MTUs (monthly tracked users)
• Up to 10M events
• Out-of-the-box analytics and templates
• Session Replay
• Unlimited feature flags
• Web Experimentation
• AI Feedback

Plus: Starting at $49/month (billed annually)

• Up to 300K MTUs
• Per-MTU pricing (e.g., $0.049 per MTU)
• Unlimited product analytics
• Behavioral cohorts
• Feature tagging
• Segmentation for Web Experimentation
• Custom audiences and syncs
• Online customer support

Growth & Enterprise: Custom pricing (contact sales)

• Custom MTU volume
• Advanced behavioral analysis
• Causal insights and monitoring
• Feature Experimentation
• Real-time streaming and syncs
• Predictive audiences

Note: Historical Reddit discussion about Amplitude pricing model - pricing information should be verified with current Amplitude pricing page

Heap Pricing

Source: Heap Pricing

Free: Available

• Up to 10K monthly sessions
• Core analytics charts
• Unlimited enrichment sources
• Guides integrations
• 6 months data history
• SSO

Growth: Starting at $3,600/year

• All Free features, plus:
• Sense Contentsquare's AI: AI Powered Assistant
• Unlimited users & reports
• Chart customization
• CSV exports
• 12 months data history
• Email support
• Sign up and install the free snippet to get an estimate

Pro & Premier: Custom pricing (contact sales)

• Custom session pricing
• All Growth features, plus:
• Account analytics
• Engagement matrix
• Report alerts
• Session Replay as add-on
• Data warehouse integration (Premier)
• Behavioral targeting (Premier)
• Unlimited projects (Premier)
• Advanced user permissions (Premier)
• Dedicated CSM (Premier)

Note: Heap's auto-tracking capabilities are a key differentiator - verified on Heap website and recent G2 reviews

PostHog Pricing

Source: PostHog Pricing

Free Tier: Generous free tier available

• First 1 million events/month free
• 5K session recordings/month free
• 1M feature flag requests/month free
• 100K exceptions/month free (Error Tracking)
• 1,500 survey responses/month free
• Open-source option
• Self-hosted available
• 1-year data retention on free plan

Usage-Based Pricing: Pay-as-you-go after free tier

• Product Analytics (anonymous events): From $0.00005/event (after 1M free events/month)
• Identified events: From $0.000248/event (after 1M free events/month)
• Session Replay: From $0.0030/recording (after 5K free/month)
• Feature Flags: From $0.0001/request (after 1M free/month)
• Prices reduce with scale
• No minimums or annual commitments
• Pay nothing if you stay within free tier limits

Enterprise: Custom pricing

• Advanced features
• Dedicated support
• Custom contracts

Note: PostHog is an open-source product analytics platform - verified on PostHog website

What are the top pain points for each platform?

Mixpanel: Top 3 Complaint Categories

1. Data Accuracy Issues ⚠️ Critical Issue

Severity: High - impacts trust in analytics data

• Specific issue: Discrepancies between Mixpanel and other analytics tools (like Firebase)
• Another issue: Mixpanel tracking fewer unique users compared to other platforms

Evidence:

• "I find that there are discrepancies in the data held in firebase and the events tracked by mixpanel... mixpanel will have an event that tracks the first time a unique user opens the app. However, the number of unique users in firebase will be different" - Mixpanel Inaccuracies Reddit Discussion (January 2025)

2. Pricing Concerns

Severity: High - expensive for growing companies

• Specific issue: Event-based pricing can become very expensive at scale
• Another issue: Recent pricing change from MTU-based to event-based pricing forces teams to be selective about which events to track
• Another issue: Monthly tracked users (MTU) pricing model penalizes detailed tracking

Evidence:

• "Mixpanel pricing model based on monthly tracked users (MTU) can be very expensive" - Mixpanel Reddit Discussion (January 2025)
• "With recent changes in the pricing which makes it event-based, it created an issue like it forces us to think which event to fire always. Our development cycle is involved, so we moved to Amplitude" - Mixpanel G2 Review by Harshvardhan M. (August 2025)

3. Complex Query Limitations

Severity: Medium - limits advanced analysis

• Specific issue: Struggles with complex queries and date-based analysis
• Another issue: Difficult to debug specific user sessions

Evidence:

• Based on G2 reviews mentioning query limitations and debugging challenges

Amplitude Analytics: Top 3 Complaint Categories

1. Event Setup Complexity

Severity: Medium - time-consuming implementation

• Specific issue: Setting up event tracking can be tedious
• Another issue: Manual event implementation required

Evidence:

• "I think our Amplitude events are garbage and it's ruining product decisions... inconsistent event names, broken user IDs that don't unify across devices or sessions" - Amplitude Events Reddit Discussion (January 2025)

2. Data Governance Challenges

Severity: High - impacts data quality

• Specific issue: Lack of governance processes leads to inconsistent data
• Another issue: Missing instrumentation for important features

Evidence:

• "We never set up any sort of governance or audit process, so now I'm discovering that some of our most important features don't even have clear instrumentation" - Amplitude Events Reddit Discussion (January 2025)

3. Limited Marketing Attribution

Severity: Medium - not ideal for marketing teams

• Specific issue: Better for product analytics than marketing attribution
• Another issue: Limited traffic source focus

Evidence:

• Based on G2 reviews and user feedback highlighting Amplitude's focus on product analytics over marketing attribution

Heap: Top 3 Complaint Categories

1. Auto-Capture Limitations

Severity: Medium - may not capture all needed events

• Specific issue: Auto-capture may miss some custom events
• Another issue: Still requires some manual setup for complex tracking

Evidence:

• Based on G2 reviews mentioning that auto-capture may miss some custom events and still requires manual setup for complex tracking

2. Pricing Concerns

Severity: Medium - can be expensive at scale

• Specific issue: Volume-based pricing can scale quickly
• Another issue: Enterprise pricing requires custom quotes
• Another issue: Data can get overwhelming with auto-capture, making it challenging to identify relevant insights

Evidence:

• "One thing I've noticed about Heap is that the data can get overwhelming at times. With auto capture there's a lot of data to sift through and it can be challenging to identify the most relevant insights" - Heap G2 Review by Franklin S. (August 2025)

PostHog: Top 3 Complaint Categories

1. Learning Curve

Severity: Medium - requires technical knowledge

• Specific issue: Steeper learning curve for non-technical users
• Another issue: Open-source setup requires more technical expertise
• Another issue: Complex features can be challenging to navigate without technical support

Evidence:

• Based on G2 reviews mentioning learning curve concerns
• "Users often find the complex features of PostHog challenging to navigate, especially without technical support" - PostHog G2 Pros and Cons (Recent reviews)

2. Limited Retention on Free Plan

Severity: Low - affects historical data analysis

• Specific issue: Free plan has limited data retention
• Another issue: May need to upgrade for historical analysis

Evidence:

• Based on G2 reviews mentioning data retention limitations

3. UI Complexity

Severity: Low - affects ease of use

• Specific issue: UI can be complex for beginners
• Another issue: Missing some features compared to paid alternatives

Evidence:

• Based on G2 reviews mentioning UI complexity

How do these tools position themselves for different buyers?

Mixpanel: Product Analytics for Product Teams

Core Positioning: "User analytics solution" focused on event tracking and funnel analysis

Target Audience: Product managers and product teams needing detailed user behavior insights

Key Differentiators:

• Event-based tracking for granular insights
• Funnel analysis to identify drop-off points
• Cohort analysis for segmented user behavior
• Detailed retention reports

Weaknesses:

• Expensive pricing model
• Data accuracy concerns
• Limited advanced statistical capabilities

Based on G2 reviews highlighting ease of use but noting query limitations

Amplitude Analytics: Real-Time Product Intelligence

Core Positioning: "Product analytics platform for tracking user behaviors" with real-time analytics

Target Audience: Product teams, data analysts, and marketers needing real-time insights

Key Differentiators:

• Real-time analytics capabilities
• Flexible dashboard customization
• Powerful segmentation tools
• Automated insights and anomaly detection

Weaknesses:

• Event setup can be tedious
• Data governance challenges
• Limited marketing attribution

Note: Historical comparison - current platform capabilities should be verified with latest G2 reviews and official documentation

Heap: Auto-Capture Analytics Platform

Core Positioning: "Automatic event tracking" - capture everything, analyze later

Target Audience: Teams wanting to avoid manual event tracking setup

Key Differentiators:

• Automatic event capture
• Retroactive event tracking
• No need to define events upfront
• Historical data analysis

Weaknesses:

• May miss some custom events
• Pricing can scale quickly
• Less control over what gets tracked

Note: Heap's retroactive event tracking is a key feature - verified on Heap website and recent G2 reviews

PostHog: Open-Source Product Analytics

Core Positioning: "Open-source product analytics platform" with self-hosted option

Target Audience: Startups and companies wanting open-source, self-hosted analytics

Key Differentiators:

• Open-source and self-hostable
• Transparent pricing
• Product analytics, session replay, experiments, feature flags
• Good for startups on a budget

Weaknesses:

• Learning curve
• Limited retention on free plan
• UI complexity

Note: PostHog is commonly recommended as an open-source alternative to Mixpanel for SaaS product analytics - verified on PostHog website

Feature Comparison

Strengths and weaknesses summary

Mixpanel

Strengths:

• Easy to use interface
• Good for simple product analytics requests
• Strong funnel and retention analysis
• Recognized as dedicated product analytics tool

Weaknesses:

• Expensive pricing model (MTU-based)
• Data accuracy concerns
• Struggles with complex queries
• Limited advanced statistical capabilities

Proof Point: Based on G2 reviews highlighting ease of use and pricing concerns

Amplitude Analytics

Strengths:

• Real-time analytics capabilities
• Flexible dashboard customization
• Strong segmentation tools
• Automated insights and anomaly detection

Weaknesses:

• Event setup can be tedious
• Data governance challenges
• Limited marketing attribution
• Can be expensive at scale

Proof Point: Based on G2 reviews comparing Amplitude and Mixpanel ease of use

Heap

Strengths:

• Automatic event capture
• Retroactive event tracking
• No need to define events upfront
• Historical data analysis

Weaknesses:

• May miss some custom events
• Pricing can scale quickly
• Less control over tracking
• Enterprise pricing requires custom quotes

Proof Point: Based on G2 reviews highlighting Heap's automatic event capture and retroactive tracking capabilities

PostHog

Strengths:

• Open-source and self-hostable
• Transparent pricing
• Includes session replay, experiments, feature flags
• Good for startups on a budget

Weaknesses:

• Learning curve
• Limited retention on free plan
• UI complexity
• Missing some features compared to paid alternatives

Proof Point: PostHog is commonly recommended as an open-source alternative to Mixpanel - verified on PostHog website

Sources & Links

Competitor Pricing Pages

Mixpanel:

• Pricing
• Website

Amplitude Analytics:

• Pricing
• Website

Heap:

• Pricing
• Website

PostHog:

• Pricing
• Website

G2 Reviews

• Mixpanel G2 Reviews
• Amplitude Analytics G2 Reviews
• Heap G2 Reviews
• PostHog G2 Reviews

Reddit Discussions (Last 6 Months - May 16, 2025 to November 16, 2025)

• Mixpanel Inaccuracies Discussion (January 2025)
• Amplitude Events Quality Discussion (January 2025)
• PostHog Seems Too Good to Be True Discussion (March 2025)
• Mixpanel vs Amplitude vs PostHog Comparison (January 2025)
• Heap Thoughts and Experiences (January 2025)

Additional Resources

• Mixpanel Alternatives Guide