These two are competing for the same work from opposite ends. One is the survey platform almost everybody has already filled in at some point, with the recognition and the reporting depth that comes with that. The other argues that the format itself is the problem, and that a survey which arrives as a conversation gets finished more often than one that arrives as a page of questions.
How the respondent experiences it
SurveyMonkey presents a conventional survey: questions on a page, branching where you set it up, a look that is tidy and professional and unmistakably belongs to the product that made it. Its advantage is familiarity. A respondent who has seen this format before knows what is being asked of them and roughly how long it will take, which matters on a cold list where the first ten seconds decide everything.
SurveySparrow asks one question at a time in a chat-like exchange, and offers conventional layouts where those suit better. On a longer instrument the difference is real: a wall of fields signals effort in a way a single question does not. It also carries capabilities the research-first end of the market usually skips — payment collection, signature capture, and letting somebody return to a part-finished response.
How the responses are counted
This decides more cases than the format does. SurveyMonkey's individual plans count responses per month, and its free tier caps questions rather than volume — ten per survey, which is a constraint on what you can ask rather than on how many people you ask.
SurveySparrow counts per year. The entry plan's two and a half thousand responses have to cover twelve months, not one, which suits a survey sent in occasional bursts and works badly against one collecting continuously. Its advertised prices also assume annual billing throughout.
SurveyMonkey's billing gap is the sharper trap. Paying monthly costs ninety-nine dollars for a thousand responses a month; paying annually costs thirty-nine a month for a far larger yearly allowance. The same platform, roughly two and a half times the price, for less.
Which should you choose?
Choose SurveyMonkey if you are sending to people who do not know you and recognition will do some of the work, or if the reporting matters more than the asking. Commit to annual billing when you do — the monthly rate is poor value for what it includes.
Choose SurveySparrow if completion is the thing you are fighting for, if the instrument is long, or if you need to take a payment or a signature inside it. Check the annual response allowance against your actual collection pattern first, because that number is easy to misread as monthly.

SurveyMonkey
The survey everyone has already filled in, priced very differently by the month.

SurveySparrow
Surveys that arrive as a conversation rather than a page of questions.
Specs
Ratings
Ease of building
How the form looks
How much you can change it
Logic and question types
What happens after submit
Value for money
Features
Pricing
SurveyMonkey
SurveySparrow
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