Comparison

Pi vs Chess Clock & Chess Timer

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

Head to head
About

Pi

Features
Read full description

Explore Pi Through Art Pi-cture It transforms the infinite digits of Pi into stunning pixel art. Turn numbers into color, explore patterns, and create unique images based on any position in Pi — even birthdays or lucky numbers. Generate Pi Images • Pick any starting digit in Pi • Create square images up to 31×31 • Each digit becomes a color pixel • Use “Distance” to skip digits for new patterns • Save and share your Pi art Search for Patterns • Draw your own pattern on a grid • Search billions of Pi digits to find where it appears • Optional video that shows the search in action • Explore how often certain sequences show up Customize Colors • Assign colors to digits 0–9 • Even/Odd two-tone mode • Instantly switch color schemes Timeline & History • All creations saved automatically • View details about each image • Export to Photos or share with friends Educational & Fun • Explore the randomness of Pi visually • Great for math lovers, educators, and digital artists • Create personalized number-based art Turn numbers into art. Discover patterns in chaos. Explore the infinite beauty of Pi.

About

Chess Clock & Chess Timer

This app provides a tournament-ready chess clock for over-the-board games. It offers customizable time controls, including increments and delays, and supports features like time odds for uneven matchups. Enjoy a clean interface with sound cues and mid-game adjustments.

Highlights
  • Tournament-ready chess clock
  • Customizable time controls (increment, delay)
  • Time odds for uneven matchups
  • Presets for various game speeds
  • Mid-game adjustments
  • Offline play
Features
Read full description

Chess Timer is a fast, tournament-ready chess clock built for OTB (over-the-board) games. Pick a preset for bullet, blitz, rapid, or classical, or build advanced time controls with increment and delay. Use Fischer increment, Bronstein, or simple delay, plus sudden death and multi-stage time control setups like 40 moves in 2 hours + rest of game. Play with kids or balance skill levels using time odds (time handicap) with different time per player. Enjoy stunning themes with high-contrast readability for tabletop mode, crisp sound cues, and quick mid-game adjustments. Features • One-tap turn switching with clear visual states and optional sounds • Presets for bullet, blitz, rapid, classical • Fischer increment, Bronstein, and delay • Multi-stage time controls and move-control setups (example: 40/120) • Time odds (time handicap) for uneven matchups, ideal for kids • Pause, reset, and add or subtract time mid-game • Offline, low battery impact, clean distraction-free UI • Also great for 2-player board games like go, shogi, Scrabble, checkers, backgammon, chess timer Easy to play chess: 1. Choose a preset or set base time, increment, delay, and stages. 2. Place the phone between players and tap to start. 3. Tap after each move to switch, pause anytime, adjust if needed. Terms Of Use: https://www.appside.io/chesstimer/termsandconditions.html Privacy Policy: https://www.appside.io/chesstimer/privacypolicy.html

Screenshots

Pi4 screens
Chess Clock & Chess Timer4 screens

Verdict

The call

The clearest difference is in-app purchases: Pi at none against Chess Clock & Chess Timer's 2. On price, ads, device support and iOS requirement 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. Chess Clock & Chess Timer sells 2 in-app purchases, starting at $3.99 per 7 days. Pi asks for nothing beyond the download.

Scorecard1 real difference · 9 level
Pi versus Chess Clock & Chess Timer: the parameters behind the verdict, then further details
ParameterPiChess Clock & Chess Timer
PriceFreeFree
Rating—4.6 (9 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—9 — better
Update frequency—Monthly
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017 — better
Further details — not scored
Size10 MB7 MB
Age rating4+4+
DeveloperBlueNeo LLCMaksym Farynets

In-app purchases

None

Pi

No in-app purchases

2 purchases

Chess Clock & Chess Timer

Subscriptions2
  • 3 Days Free3 Days trial$3.997 Days
  • Premium Annual$49.991 Year

Questions

Is Pi free?
Pi is free to download, with no in-app purchases.
Is Chess Clock & Chess Timer free?
Chess Clock & Chess Timer is free to download, with in-app purchases available.
Do Pi or Chess Clock & Chess Timer have ads?
Neither Pi nor Chess Clock & Chess Timer shows ads.

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