Comparison

ChessScope AI vs Synapse

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

Head to head
About

ChessScope AI

Features
Read full description

Stuck on a position? Let ChessScope AI find the winning move. Point your camera at any chess screen or screenshot and get Stockfish's best move in seconds explained in plain language so you actually understand why it works. Most apps stop at one move. ChessScope shows you the whole plan: step through the next 5 moves of the winning line, one tap at a time, and see exactly how the position unfolds. Whether you're reviewing a game, solving a puzzle, or stuck mid-match, ChessScope turns any position into instant, grandmaster-level insight. What you can do: • Snap any screen, screenshot, or streamed game • Get the best move in seconds, powered by Stockfish • Step through up to 5 moves ahead — see the full winning line, not just one move • Understand the why with clear AI explanations, not just arrows • Paste a FEN for instant analysis, no photo needed • Track your positions with full analysis history • Solve a daily tactical puzzle, with built-in hints at your own pace Now available in English, French, Spanish, German, Portuguese, and Japanese. Start free with 5 analyses, no account required. Go Premium to unlock unlimited photo analyses, unlimited AI explanations, and your complete history. Improve faster, one position at a time. Download ChessScope AI and never wonder "what's the best move?" again. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Synapse

Assess the hardware functionality of a device before buying or selling. It performs comprehensive on-device checks for cameras, sensors, connectivity, and more, generating a shareable certificate of its condition. This ensures transparency and confidence in transactions.

Highlights
  • On-device hardware testing
  • Comprehensive sensor checks
  • Shareable pass/fail certificate
  • No account or data sharing
  • Quick free check available
  • Full diagnostic for purchase
Features
Read full description

Buying or selling a used iPhone? Know what works before money changes hands. Synapse helps you test key iPhone hardware — including cameras, speakers, microphones, sensors, buttons, connectivity, and biometrics — then creates a clear pass/fail device report you can share with a buyer, seller, repair shop, or resale listing. QUICK CHECK — FREE Run a basic test in minutes. No purchase required. Tests include: • Display • Touchscreen • Rear camera • Wi-Fi • Bluetooth FULL DIAGNOSTIC Unlock the complete hardware test suite and generate a shareable device report. Full Diagnostic includes: • Front camera and flashlight • Video recording • Microphones and speakers • Proximity sensor • Motion sensors • Screen rotation • Face ID or Touch ID sensor check • Vibration motor • Volume, lock, and mute buttons • GPS / location accuracy • System integrity indicators • Shareable pass/fail report with device details DEVICE CHECKS Purchase Device Checks in the app and save them to your account. Available options: • Single Device Check • 3 Device Checks • 10 Device Checks Sign in with Apple or email to save your purchased Device Checks, view your remaining checks, and use them on this device or another signed-in device. KEY FEATURES • Free Quick Check • Full Diagnostic hardware testing • Shareable pass/fail device report • Device Checks saved to your account • View remaining Device Checks in your Profile • Useful for buying, selling, repairing, or verifying a used iPhone PRIVACY Synapse runs hardware tests on your device. Your account is used to save purchased Device Checks and help you access them across signed-in devices. Permissions may be requested for camera, microphone, location during GPS testing, motion sensors, Bluetooth, Face ID / Touch ID checks, and local network features when needed. Apple, iPhone, Face ID, and Touch ID are trademarks of Apple Inc.

Screenshots

ChessScope AI4 screens
Synapse4 screens

Verdict

The call

ChessScope AI and Synapse are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. ChessScope AI sells 1 in-app purchase, starting at $1.99 per month and Synapse sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 6 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

ScorecardNo meaningful differences
ChessScope AI versus Synapse: the parameters behind the verdict, then further details
ParameterChessScope AISynapse
PriceFreeFree
Rating—5.0 (10 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—10 — better
Update frequencyEvery 6 daysEvery 6 days
AdsNoNo
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size40 MB5 MB
Age rating4+4+
DeveloperCedric GueganNexus Link LLC

In-app purchases

1 purchases

ChessScope AI

Subscriptions1
  • ChessScope AI Pro$1.991 Month
3 purchases

Synapse

One-time3
  • Full Diagnostic$2.99
  • 3 Checks — Best Value$4.99
  • 10 Checks — Pro Pack$9.99

Questions

Is ChessScope AI free?
ChessScope AI is free to download, with in-app purchases available.
Is Synapse free?
Synapse is free to download, with in-app purchases available.
Do ChessScope AI or Synapse have ads?
Neither ChessScope AI nor Synapse shows ads.
Which is updated more often, ChessScope AI or Synapse?
ChessScope AI ships an update every 6 days, and Synapse every 6 days. Most recently, ChessScope AI was updated on October 1, 2026 and Synapse on October 6, 2026.

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