Comparison

AlarmChess vs Sifty

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

Head to head
About

AlarmChess

This alarm clock requires users to solve a chess puzzle to dismiss it, ensuring a mentally engaging start to the day. It offers customizable alarms, curated puzzles with adjustable difficulty, and hints to help users wake up alert and focused.

Highlights
  • Solve chess puzzles to dismiss alarm
  • Customizable alarm times and repeat days
  • Curated chess puzzles with adjustable difficulty
  • Hints available for stuck users
  • Intuitive and clean interface
  • Reliable notifications even when app is closed
Features
Read full description

Wake up your mind, not just your body. Chess Alarm is an alarm clock that requires solving a chess puzzle to dismiss. Start your day sharp and focused. How it works: Set your alarm time and repeat days When it goes off, a chess puzzle appears Solve the puzzle to dismiss the alarm Start your day mentally engaged Key Features: Smart alarm system — Set multiple alarms with custom times and repeat schedules Chess puzzles — Curated puzzles from real games, with difficulty levels from beginner to professional Progressive difficulty — Adjust puzzle difficulty to match your skill Hints — Get a hint after 10 seconds if you’re stuck Intuitive interface — Clean, easy-to-use design Reliable notifications — Alarms work even when the app is closed Multiple alarms — Manage different alarms for different days SUBSCRIPTION REQUIRED After you complete the short setup questions, an active AlarmChess Premium subscription is required to set alarms and solve chess puzzles Why Chess Alarm? Traditional alarms can be dismissed while half-asleep. Chess Alarm requires active thinking, helping you wake up more alert and ready for the day. Perfect for: Chess players who want daily practice Anyone looking for a more engaging wake-up routine People who struggle to wake up fully Those who want to start the day with mental exercise Privacy & Security: Your alarm data is stored securely. We use Google Sign-In for authentication, and your information is kept private. Transform your morning routine. Download Chess Alarm and wake up your mind. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Sifty

Features
Read full description

Sifty uses AI to help you organize your photo library. It analyzes your photos and flags the ones you might want to remove — blurry shots, duplicates, and clutter. Keep what matters, remove what doesn't. How it works: 1. Sifty scans your photo library using AI 2. It learns your preferences as you give feedback 3. Flagged photos are presented for your review 4. You decide what stays and what goes 5. Deleted photos go to Recently Deleted (30-day recovery) Features: • AI-powered photo analysis using Google Gemini • Smart flagging of low-quality and unwanted images • Review and approve before anything is deleted • Learns your taste over time • Background processing — analyze while you do other things • Credits-based system with 500 free credits to start • 1 credit = 1 photo analyzed Your photos never leave your device for storage. Images are analyzed through a secure API and immediately discarded after processing.

Screenshots

AlarmChess4 screens
Sifty4 screens

Verdict

The call

The clearest difference is ads: Sifty at none against AlarmChess's shown. Sifty also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.1). AlarmChess's advantage is update cadence (weekly vs every 5 weeks). On price and in-app purchases 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. AlarmChess sells 4 in-app purchases, starting at $12.99 per month and Sifty sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AlarmChess ships an update weekly, Sifty every 5 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
AlarmChess versus Sifty: the parameters behind the verdict, then further details
ParameterAlarmChessSifty
PriceFreeFree
Rating4.7 (18 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings18 — better—
Update frequencyWeekly — betterEvery 5 weeks
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS26.115.0 — better
Further details — not scored
Size92 MB66 MB
Age rating4+4+
DeveloperMing Kang SiowMohammed Junaid

In-app purchases

4 purchases

AlarmChess

Subscriptions3
  • Monthly subscription$12.991 Month
  • Yearly subscription1 Year trial$29.991 Year
  • Yearly subscription$29.991 Year
One-time1
  • Lifetime$59.99
4 purchases

Sifty

One-time4
  • Starter Pack$0.99
  • 5000 Images$0.99
  • 10000 images$2.99
Show 1 more
  • Sifty Pro Pack$5.99

Questions

Is AlarmChess free?
AlarmChess is free to download, with in-app purchases available.
Is Sifty free?
Sifty is free to download, with in-app purchases available.
Do AlarmChess or Sifty have ads?
AlarmChess shows ads; Sifty does not.
Which is updated more often, AlarmChess or Sifty?
AlarmChess ships an update weekly, and Sifty every 5 weeks. Most recently, AlarmChess was updated on October 30, 2026 and Sifty on October 31, 2026.

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