Product

Sonar

by Peter Šutarík (@PeterSutarik)

Sonar is built by Peter Šutarík (@PeterSutarik). App Store Optimization (ASO) tool that helps app developers research keywords and track search popularity and rankings. Pricing model: Subscription (exact tiers not captured). Sonar reported €3K MRR, according to the founder's own post on October 26, 2026.

Sonar at a glance

Founder: Peter Šutarík
Website: trysonar.app
Pricing model: Subscription (exact tiers not captured)
Launched: 2026

Sonar revenue reports

€3K MRR Self-reported post on X, reported October 26, 2026
$2.8K MRR Self-reported post on X, reported October 1, 2026

As reported at each source on the date shown. Sell Micro SaaS does not estimate revenue.

Sonar timeline

October 24, 2026: Sonar crossed €3k MRR; each €1k step came faster (123, 51, then 31 days). Source
March 17, 2026: Sonar launched 33 days after the first commit (date computed from the founder's timeline). Source
February 12, 2026: First commit on Sonar. Source

Who built Sonar?

Peter Šutarík

@PeterSutarik

Sonar

$2.8K/mo Self-reported October 1, 2026 Build Score 58

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How we list founders

Only sourced revenue, never estimates

A founder is listed when a public, linkable source shows at least $500 a month in MRR (or the ARR equivalent) for a live product. Every figure shows its source, the date it was reported and what kind of source it is:

Verified by payment provider via TrustMRR: TrustMRR reads the figure from the payment provider (such as Stripe) rather than taking the founder's word.
Self-reported by the founder: The founder's own post or X bio. Nobody has checked it against their payments.
Other public source: An article, interview or another account's post.

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