PolyFill vs Clueworthy
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
PolyFill
A brain-training puzzle game where you race against the clock to assemble geometric shapes. Earn points based on difficulty and speed, and compete on leaderboards. Unlock additional complexity and scoring through optional in-app purchases.
- Brain-training puzzles
- Timed challenges
- Geometric shape assembly
- Scoring based on difficulty and time
- Game Center leaderboards
- Achievement awards
- In-app purchases for complexity
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Exercise your brain by racing against the clock to build different geometric shapes from assorted puzzle pieces. Points are awarded based on degree of difficulty and time taken to complete the puzzle. Optionally logging into Game Center allows you to publish your score to a leaderboard and earn achievement awards. Additional game complexity and scoring opportunity can be purchased from within the game.
Clueworthy
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Clueworthy is a book of logic grid puzzles that never runs out. Each puzzle is a short story and a handful of clues. Mark the grid with checks and crosses until you know who ordered the latte, which dog went first, and who took the last slice of cake. Every puzzle has exactly one answer, and you can reach it with logic alone. A built-in solver checks each one using only steps a person can make, so you never have to guess. THE DAILY CASE • A new puzzle every day, the same for everyone, always free • Small early in the week, a big 5 × 6 on Sunday • Keep your streak going; a streak freeze covers a missed day HINTS THAT TEACH • A hint tells you which clue to use and what it proves: "Clue 4 tells us the latte wasn't ordered at 9:00" • Tap again and it fills the marks in for you • Show Mistakes when something doesn't add up MADE FOR CAREFUL SOLVERS • Five sizes, from a quick 3 × 4 to a 5 × 6 Master grid • Eight settings: a café, summer trips, a wedding, a garden club, a dog show, a book club, an office mystery, a bake sale • Automatic crosses after every check, undo, drag to cross out, an answer table that fills itself in • Adjustable clue text size, Dynamic Type, VoiceOver, light and dark • iPad shows the whole grid and all the clues side by side • Print a puzzle or save it as a PDF and solve it with a pencil FREE AND PREMIUM The Daily Case is free every day. You also get three more puzzles and three hints a day. Premium unlocks unlimited puzzles and hints, the 5 × 5 and 5 × 6 grids, every past Daily Case, printing and paper styles. Premium is $3.99 a month, $24.99 a year with a 7-day free trial, or $49.99 once for Lifetime. Subscriptions renew automatically unless cancelled at least 24 hours before the period ends; manage them in Settings under your name. No account, no ads, no tracking. Terms of Use: https://xzot.github.io/clueworthy/terms.html Privacy Policy: https://xzot.github.io/clueworthy/privacy.html
Screenshots
Verdict
The clearest difference is ads: Clueworthy at none against PolyFill's shown. PolyFill's advantage is iOS requirement (14.0 vs 17.0). On price, in-app purchases and device support 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
Both are free to download. PolyFill sells 3 one-off in-app purchases and Clueworthy sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | PolyFill | Clueworthy |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 6 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 15 MB | 4 MB |
| Age rating | 17+ | 4+ |
| Developer | Kelly Technology Inc. | Vladyslav Shchuka |
In-app purchases
PolyFill
- Remove ads.$1.99
- Unlock level 2$1.99
- Unlock level 3$1.99
Clueworthy
- Premium Monthly$3.991 Month
- Premium Yearly7 Days trial$24.991 Year
- Premium Lifetime$49.99









