Comparison

HamiLoop vs SUMI PATH

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

HamiLoop

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HamiLoop: Draw one loop. Pass through every square on the grid exactly once. That's the whole idea behind HamiLoop, and it's harder than it sounds. What looks like a simple rule turns into a real puzzle once the grid grows, and figuring out the right path can take real thought. Grid sizes vary a lot, so difficulty varies with them. Some puzzles are solved in a couple of moments, others take much longer and require some careful planning. With 150,000 preloaded levels, you can pick a size and difficulty that suits your mood, and a new difficult puzzle is added every day if you're after something tougher. There are no timers and no countdowns anywhere in the app, so every puzzle can be worked through at your own pace. Each puzzle is presented with clean, colorful visuals, though the colors are purely decorative and don't affect the solving itself. If you like tackling more than one thing at a time, you can keep several levels open in parallel, so an easier puzzle is always there when you want a break from a harder one. Alongside the daily challenge, an extra hard puzzle is released once a week for players looking for something tougher still. The core idea of the game is inspired by Hamiltonian cycles, a well known concept from graph theory, giving the puzzle a solid mathematical foundation beneath its simple rule.

About

SUMI PATH

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Find the one path that makes everything fit. SUMI PATH is a quiet number-path puzzle for iPhone, inspired by washi paper and sumi ink. Three simple rules: • Connect numbers that add up to 10 • Move up, down, left or right; paths cannot cross or share a cell • Fill every cell except obstacles to clear the board Connecting the pairs is only the beginning. To fit every path on the board, you will need to read ahead, rethink a route and find the arrangement that works. Every included puzzle has been verified to have exactly one solution. Included: • 430 numbered levels • 6 practice puzzles • 365 daily puzzles that run on-device • A high-difficulty stage every 10 levels • Up to 3 hints per play • Undo, reset and automatic progress saving • Washi, Morning Mist and Evening Ink themes • Clear records, streaks and hint-free stats • Shareable images of in-progress boards before using help, and completed boards • Japanese and English • VoiceOver, Dynamic Type, High Contrast and Reduce Motion support Free to play: Levels 1–40, practice, daily puzzles, hints, all themes and statistics are free. Full Edition (one-time in-app purchase): Unlock Levels 41–430 and answer previews except on each 10-level high-difficulty stage. Progression still matters: each new section opens after you clear the preceding high-difficulty stage. No subscription. The current price is shown in the in-app purchase screen. There is no time limit or timer during play. There are no ads, accounts, analytics, tracking or developer-operated servers. All puzzles and hints work offline, and progress is stored on your device. A connection to Apple may be needed to load product information, purchase or restore. Take it one path at a time.

Screenshots

HamiLoop4 screens
SUMI PATH3 screens

Verdict

The call

The clearest difference is in-app purchases: SUMI PATH at none against HamiLoop's 5. SUMI PATH also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. HamiLoop sells 5 one-off in-app purchases. SUMI PATH asks for nothing beyond the download.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

Scorecard2 real differences Ā· 4 level
HamiLoop versus SUMI PATH: the parameters behind the verdict, then further details
ParameterHamiLoopSUMI PATH
PriceFreeFree
Update frequencyEvery 6 daysEvery 6 days
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhoneiPhone
Requires iOS18.217.0 — better
Further details — not scored
Size12 MB8 MB
Age rating12+4+
DeveloperBastion Peak e.U.AKIHIRO OHNO

In-app purchases

5 purchases

HamiLoop

One-time5
  • 10 Hints$0.49
  • 25 Hints$0.99
  • Premium$3.99
Show 2 more
  • 100 Hints$3.99
  • 250 Hints$7.99
None

SUMI PATH

No in-app purchases

Questions

Is HamiLoop free?
HamiLoop is free to download, with in-app purchases available.
Is SUMI PATH free?
SUMI PATH is free to download, with no in-app purchases.
Do HamiLoop or SUMI PATH have ads?
HamiLoop shows ads; SUMI PATH does not.
Which is updated more often, HamiLoop or SUMI PATH?
HamiLoop ships an update every 6 days, and SUMI PATH every 6 days. Most recently, HamiLoop was updated on October 12, 2026 and SUMI PATH on October 10, 2026.

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