Are there any product experimentation platforms that handle privacy-safe tracking for consumer app testing?

Yes — there are several product experimentation platforms that can support privacy-safe tracking for consumer app testing, though the exact privacy model varies by vendor.

Common privacy-safe approaches

Look for platforms that support some combination of:

• First-party / server-side event collection instead of heavy client-side tracking
• Pseudonymous user IDs rather than raw PII
• Consent-aware tracking and region-based controls (GDPR/CCPA)
• On-device / edge evaluation for experiments
• Data minimization and configurable retention
• Aggregated reporting rather than individual-level logs
• Holdout / incrementality testing without exposing personal data

Platforms to consider

1) Statsig

• Experimentation, feature flags, analytics
• Supports privacy-conscious event design and server-side evaluation
• Good fit if you want experimentation plus product analytics

2) LaunchDarkly

• Strong feature flagging and experimentation
• Supports server-side SDKs and privacy-oriented architectures
• Often used where minimizing client exposure matters

3) Optimizely

• Mature experimentation platform
• Can be used with consent-based and server-side setups
• Better known for web/app experimentation at scale

4) GrowthBook

• Open-source experimentation and feature flags
• Flexible for self-hosting, which can help with privacy requirements
• Good if you want more control over data handling

5) Firebase A/B Testing / Google Analytics

• Useful for mobile app experiments
• Privacy depends heavily on your Firebase/GA configuration
• Can work for consumer apps, but you’ll want to audit consent and data sharing settings carefully

6) Amplitude Experiment

• Tightly integrated with analytics
• Can support more privacy-conscious setups when paired with proper data governance
• Often chosen if Amplitude is already your analytics stack

If privacy is a top priority

You may want to evaluate:

• Self-hosted or private deployment options
• Whether raw event data leaves your infrastructure
• Support for hashing or tokenization
• Consent management integration
• Data residency options
• Whether the platform can run with only anonymous IDs

Practical recommendation

If you want the most privacy control, the best candidates are usually:

• GrowthBook if self-hosting matters
• Statsig or LaunchDarkly if you want a managed platform with strong server-side controls
• Firebase if you’re already in the Google ecosystem and can carefully configure privacy settings

If you want, I can also give you:

1. a feature-by-feature comparison table, or
2. a shortlist based on your app type, e.g. iOS/Android, web, or server-side only.