Comparison

∞ Sudoku vs Kotobadle

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

Head to head
About

∞ Sudoku

Enjoy an endless Sudoku experience with this ad-free, offline logic puzzle game. Its minimalist design ensures fast downloads and smooth performance, focusing on high-quality puzzles and beautiful typography. Play at your own pace, from challenging your mind to relaxing with the game.

Highlights
  • Ad-free experience
  • Offline play
  • Endless puzzles
  • Minimalist design
  • High-quality puzzles
  • Beautiful typography
Features
Read full description

This is a completely ad-free Sudoku puzzle game app that you can play endlessly offline. With a simple and lightweight design that eliminates all unnecessary elements, the app downloads in an instant. I’ve stripped away everything extraneous like ad SDKs and game engines. I’ve focused on smooth operation, high-quality puzzles, and the seamless performance that only a native app can offer. I’ve also included many historically renowned, beautiful fonts. You might not usually pay attention, but I invite you to appreciate the beauty in the shapes of the numbers themselves. Whether you want to take your time pondering difficult puzzles, race against the clock with easier ones, or simply relax by watching the cheat solve them for you—the choice is yours. From beginners to advanced players, you can enjoy the game in your own style. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://app.dnpp.org/unp/en/privacy

About

Kotobadle

Engage your vocabulary and deduction skills with this Japanese word puzzle game. Discover the correct five-letter word using color-coded hints. Features multiple modes for casual play or intense challenges.

Highlights
  • Five-letter Japanese word guessing
  • Color-coded hint system
  • Daily global challenge
  • Classic endless mode
  • Time Attack mode
  • Blind Mode for memory challenge
  • Survival Mode with limited lives
Features
Read full description

【日本語の深淵へ。究極のワードパズル体験】 シンプルなのに、やめられない。「コトバドル(Kotobadle)」は、日本語の美しさとパズルとしての戦略性を融合させた、全く新しい体験を提供するワードパズルゲームです。ひらがな・カタカナを駆使し、限られたヒントの中で「5文字の正解」を見つけ出す——。あなたの語彙力、推察力、そして記憶力が今、試されます。 【5つの洗練されたゲームモード】 あなたのプレイスタイルに合わせた、多彩な挑戦が用意されています。 ■ デイリーパズル(無料) 世界中のプレイヤーと同じ問題に挑む、一期一会の真剣勝負。 ・毎晩0時に内容が更新されるグローバル同期システム。 ■ クラシック(無料) 自分のペースでじっくりと、無限に練習できるスタンダードモード。 ■ タイムアタック(Pro限定) スピードが命。脳の瞬発力を極限まで高めるエキサイティングなモード。 ・正解するごとに時間が加算される「延命」パズル。 ■ ブラインドモード(Pro限定) 文字通り「見えない」挑戦。タイルの色は2秒で消え去ります。記憶力の限界に挑む最高難易度。 ■ サバイバルモード(Pro限定) ミスは許されない。3つのライフでどこまで正解を積み上げられるか。 【こだわりのプレミアム体験】 ■ 禅(Zen)を感じるデザイン 日本の山々や、淡い朝焼けをイメージしたミニマルなアート。プレイするほどに心が研ぎ澄まされていくような美しさを追求。 ■ 快適な操作性 心地よい打鍵感とハプティクスフィードバックが、パズルへの没入感を最大化します。 【基本ルール】 1. 5文字の日本語を入力して「決定」を押します。 2. タイルの色が変化し、ヒントを提示: ・緑色:文字も場所も合致。 ・黄色:文字は合うが場所が不一致。 ・灰色:その文字は含まれていません。 日本語学習者から博識な方まで。今すぐダウンロードして、世界中のライバルと競い合いましょう。 利用規約(EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

∞ Sudoku3 screens
Kotobadle4 screens

Verdict

The call

The clearest difference is review sentiment: Kotobadle at 100% against ∞ Sudoku's 57%. Kotobadle also leads on update cadence (daily vs weekly). ∞ Sudoku's advantage is device support (4 vs 1). On price, ads, in-app purchases and monetization model 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. ∞ Sudoku sells 2 in-app purchases, starting at $1.99 per month and Kotobadle sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

∞ Sudoku ships an update weekly, Kotobadle daily. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 7 level
∞ Sudoku versus Kotobadle: the parameters behind the verdict, then further details
Parameter∞ SudokuKotobadle
PriceFreeFree
Rating4.7 (25 ratings) — better—
Positive reviews57.1% of reviews100.0% of reviews — better
Number of ratings25 — better—
Update frequencyWeeklyDaily — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, Mac, Vision Pro — betteriPhone
Requires iOS17.016.6 — better
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperYusuke SugamiyaTanveer Dhaliwal

Customer experience

∞ Sudoku

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews28 reviews
Positive57.1%
Neutral25.0%
Negative17.9%

Kotobadle

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

2 purchases

∞ Sudoku

Subscriptions1
  • Premium$1.991 Month
One-time1
  • Lifetime$9.99
2 purchases

Kotobadle

Subscriptions2
  • Kotobadle Pro$2.991 Month
  • Kotobadle Pro Yearly$19.991 Year

Questions

Is ∞ Sudoku free?
∞ Sudoku is free to download, with in-app purchases available.
Is Kotobadle free?
Kotobadle is free to download, with in-app purchases available.
Do ∞ Sudoku or Kotobadle have ads?
Neither ∞ Sudoku nor Kotobadle shows ads.
Which is updated more often, ∞ Sudoku or Kotobadle?
∞ Sudoku ships an update weekly, and Kotobadle daily. Most recently, ∞ Sudoku was updated on November 4, 2026 and Kotobadle on October 31, 2026.

Other comparisons