Like Flow Free? Here's a calm path puzzle to try next.

Flow Free is a classic: connect matching colours and fill the whole board. Sumthread shares that satisfying "every tile filled" feeling with a different rule: one continuous thread through every tile, guided by numbers. Four questions will tell you if it's for you.

Which one fits you? 4 quick questions

1. Do you love connecting coloured pairs?
2. Do you want thousands of levels right away?
3. Would you enjoy a single-path, number-guided puzzle?
4. Do no ads, no account and fully offline play matter to you?

Flow Free vs Sumthread at a glance

Flow FreeSumthread
The ruleConnect matching colours with pipes and fill the boardTrace one continuous path through every tile
FeelQuick, colourful, addictiveCalm, tactile, a thoughtful five-minute break
Ads and trackingSee its listingNo ads, no account, no third-party tracking
OfflineSee its listing100% offline
App Store ratings4.8 from about 409,000 ratingsNewer, fewer ratings so far

Facts from each app's App Store listing, November 2026. Sumthread is made by Honest Little Apps, the studio behind this page.

Try today's path puzzle free

Want a taste first? Play our daily number path puzzle in your browser: the same one-thread rule, a new board every day.

Sumthread app icon
Sumthread

Sumthread is a calm, tactile number-path puzzle for a thoughtful five-minute break. One rule on every board: trace a single continuous path through every tile. Fully offline, no account, no ads.

Free on the App Store

Questions

What games are like Flow Free?

Sumthread keeps the fill-every-tile satisfaction with a single-path, number-guided rule, and plays offline with no ads.

Can I try it in a browser?

Yes, our free daily number path puzzle uses the same rule.

Where did these comparison facts come from?

From each app's App Store listing in November 2026. Features and prices change, so check the listing before you decide.

Updated November 11, 2026.