Comparison

Poodoku vs Ringularity

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

Head to head
About

Poodoku

A cozy logic puzzle game blending Sudoku mechanics with a whodunit mystery. Solve daily puzzles by deducing suspect locations based on clues to find out who had an accident. Offers multiple difficulty levels and a full archive for offline play.

Highlights
  • Daily new puzzles
  • Multiple difficulty levels
  • Full puzzle archive
  • Interactive tutorial
  • Streak tracker
  • Mark cells with X
  • Light/dark mode
Read full description

Poodoku is a cozy logic-puzzle whodunit for the whole family. Someone pooped in the house. You have a small cast of suspects, a floor plan, and a handful of clues. Read each clue, place each suspect in the right room, and the last empty square is the poop — the room it's in reveals the culprit. Every day brings three fresh puzzles — Easy, Medium, and Hard — across a 365-day archive so you can catch up whenever life gets busy. When you're ready to level up, Hard+ teasers open the trickiest 5-room grids. WHAT MAKES IT TICK Poodoku borrows the "one per row, one per column" backbone from sudoku or queens and pairs it with logic clues from a whodunit — "I was on the sofa," "I was beside the plant," "I was in the same room as Milo." Every puzzle is uniquely solvable through pure deduction. No luck. No shortcuts to the answers. FEATURES • New puzzles every day + full archive • Three difficulties every day, plus Hard+ bonus grids • Interactive tutorial that teaches the whole clue vocabulary • Streak tracker with an optional 7pm reminder • Mark cells with an X while you think • Drag-and-drop, auto-mark, and candidate-location hints — pick the input style that fits you • Light + dark mode, storybook art, big-tap targets • Optional Cats Pack: swap the default cast for 20 hand-drawn cat suspects FAMILY FRIENDLY Poodoku's puzzles are kid-approachable without dumbing anything down. It's the kind of game a 7-year-old and a grown-up can solve together on the couch. Cute art, gentle stakes ("someone had an accident"), no violence, no ads. QUIET, RESPECTFUL DESIGN • No ads, ever • No account required, we respect your privacy and don't sell your information • No urgency timers, no lives to refill, no dark patterns • One-time purchases only — no subscriptions • Play offline; the archive ships in the app If you enjoy Sudoku, KenKen, Nurikabe, Picross, or a good whodunit, Poodoku will feel like home.

About

Ringularity

Tap rings before they fall into a dynamic, ray-traced black hole. Master one-tap arcade gameplay to chase high scores and climb the global leaderboard. Enjoy three free runs daily or unlock unlimited play with a subscription.

Highlights
  • Real-time ray-traced black hole
  • Fast one-tap arcade gameplay
  • Streak and multiplier system
  • Global leaderboard
  • Three free runs daily
  • Unlimited play subscription
Features
Read full description

A black hole turns at the edge of the screen. Everything falls toward it. Rings rise from the dark. Tap them before the black hole swallows them. Miss too many and your run ends. At the center of Ringularity is a real-time ray-traced black hole that bends the stars around it, reacts to your streaks, and draws closer as your score climbs. It isn't just a backdrop. It's part of the game. No tutorial. No clutter. Just one-tap arcade gameplay and one number to beat: first yours, then everyone's. • A living, ray-traced black hole rendered in real time • Fast one-tap gameplay built around chasing high scores • Streaks and multipliers that reward timing and nerve • Global leaderboard with no account or sign-in required • Three free runs every day • Unlimited play available with Family Sharing Quiet. Weightless. Relentless. Ringularity. --- Does Ringularity stop at the "Metallic Ring Belt"...? Wait and see. Toggle music and sound effects by tapping the points counter at the top. Unlimited is an auto-renewing subscription at $0.99/week. Payment is charged to your Apple Account and renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store settings. Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://skyconcepts.co/privacy.html

Screenshots

Poodoku4 screens
Ringularity4 screens

Verdict

The call

The clearest difference is update cadence: Ringularity at daily against Poodoku's weekly. Ringularity also leads on iOS requirement (17.0 vs 26.5). On price, rating, review sentiment and ratings volume there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Poodoku sells 1 one-off in-app purchase and Ringularity sells 1 in-app purchase, starting at $0.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Poodoku against 5.0 for Ringularity. Both are backed by a comparable volume of ratings — 2 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Poodoku ships an update weekly, Ringularity daily. The most recent releases landed on October 20, 2026 and October 14, 2026 respectively.

Scorecard2 real differences · 8 level
Poodoku versus Ringularity: the parameters behind the verdict, then further details
ParameterPoodokuRingularity
PriceFreeFree
Rating5.0 (2 ratings)5.0 (4 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings24 — better
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad — betteriPhone
Requires iOS26.517.0 — better
Further details — not scored
Size73 MB15 MB
Age rating4+4+
DeveloperNuthatch Networks LLCALEX RICHARD CAMP

Customer experience

Poodoku

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Ringularity

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

1 purchases

Poodoku

One-time1
  • Cats Pack$1.99
1 purchases

Ringularity

Subscriptions1
  • Unlimited$0.997 Days

Questions

Is Poodoku free?
Poodoku is free to download, with in-app purchases available.
Is Ringularity free?
Ringularity is free to download, with in-app purchases available.
Which has better reviews, Poodoku or Ringularity?
Poodoku and Ringularity are both rated 5.0 out of 5 on the App Store, from 2 and 4 ratings respectively.
Do Poodoku or Ringularity have ads?
Neither Poodoku nor Ringularity shows ads.
Which is updated more often, Poodoku or Ringularity?
Poodoku ships an update weekly, and Ringularity daily. Most recently, Poodoku was updated on October 20, 2026 and Ringularity on October 14, 2026.

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