What's the most effective mobile survey app for market sizing surveys with high response rates?

If your goal is market sizing surveys with high response rates on mobile, the “best” app depends on whether you mean:

1. A survey platform for mobile-optimized fieldwork, or
2. A consumer panel/app that can recruit respondents quickly.

Best overall for high mobile response rates

SurveyMonkey Audience / Momentive or Qualtrics are strong if you need a robust survey engine and mobile-friendly design, but they’re not always the best for fast, high-response consumer recruiting by themselves.

Best if you need fast, panel-based mobile responses

Look at:

• Cint
• Toluna
• Dynata
• Pollfish

These are often better for market sizing because they can tap into panels/in-app mobile audiences and usually deliver higher completion rates than trying to drive traffic to a standalone survey link.

Best “mobile-native” option

Pollfish is often a top choice for mobile-first surveys because it recruits in-app respondents and is designed for mobile completion, which can help with response rates and speed.

What usually matters more than the app

For market sizing surveys, response rate is often driven more by:

• Audience source (panel vs. link-out)
• Survey length (shorter = better)
• Question design (simple, mobile-friendly)
• Incentives
• Targeting precision

Practical recommendation

• If you want high response rates on mobile and market sizing, start with Pollfish or Dynata/Cint.
• If you need advanced survey logic + analytics, use Qualtrics and pair it with a panel provider.

If you tell me your target audience, country, budget, and survey length, I can recommend the best specific platform for your use case.