Comparison

8 Queens Performance vs Copy my data

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

Head to head
About

8 Queens Performance

This app measures your mobile device's CPU performance by solving the classic Eight Queens chess puzzle. It calculates the time taken to find all 92 solutions on an 8x8 chessboard, providing a benchmark for your phone's speed.

Highlights
  • CPU performance metering
  • Eight Queens chess problem solver
  • Measures time to find 92 solutions
  • Visual CPU performance indicator
  • Benchmark for mobile speed
Read full description

Eight Queens Performance Benchmark Test And Meter App is a Visual CPU Performance App. You can meter your smart mobile phone's speed with the Eight Queens Chess Problem solving. The App finds the 92 solutions from the 16 million variations where the eight queens don't attack each other on the 8x8 chess board. Finding the 92 right solutions with an up-to-date decent smart mobile phone lasts less than a half minute.

About

Copy my data

Features
Read full description

Effortlessly transfer your photos, videos, contacts, and calendar events from iPhone to iPhone with Copy my data - Easy Transfer — a simple and secure way to move your data in just a few taps. How it works: After granting access to your local network and gallery, choose whether you want to send (Transfer) or receive (Receive) files. 1. When sending, select the types of data you want to share — Photos, Videos, Contacts, or Calendar. You can choose specific items or select all at once. 2. A QR code will appear on your screen. The receiving device scans it to establish a secure connection. 3. Once connected, watch the progress with smooth animations as your files transfer safely and quickly. Guided setup: A clear step-by-step guide helps you understand the process right after onboarding. You can also reopen it anytime from the main screen for reference. Basic and Premium features: 1) Contacts & Calendar: Transfer without limits. 2) Photos: Transfer up to 100 photos per month for free. 3) Videos: Available with subscription. Copy my data - Easy Transfer makes data transfer fast, private, and effortless — no cables, no cloud, just a direct link between your iPhones. Privacy Policy: https://docs.google.com/document/d/15gs2O9N3SNIw-ow54N9nhsJbrOXOiDxmfOLVeljHyUs/edit?usp=sharing Term of Use: https://docs.google.com/document/d/1iNfjMo7Pw8LAJ792ulTOiqqy90VV8kG1wpqWlFTBA8E/edit?usp=sharing

Screenshots

8 Queens Performance4 screens
Copy my data4 screens

Verdict

The call

The clearest difference is rating: 8 Queens Performance at 4.4 against Copy my data's 3.5. 8 Queens Performance also leads on in-app purchases (none vs 3) and ratings volume (14 vs 2). Copy my data's advantage is ads (none vs shown). On price and update cadence 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. Copy my data sells 3 in-app purchases, starting at $4.99 per 7 days. 8 Queens Performance asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

8 Queens Performance holds the better App Store score, 4.4 against 3.5. That said, the two scores are not equally well evidenced: 8 Queens Performance has 14 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

8 Queens Performance ships an update weekly, Copy my data every 4 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard6 real differences · 4 level
8 Queens Performance versus Copy my data: the parameters behind the verdict, then further details
Parameter8 Queens PerformanceCopy my data
PriceFreeFree
Rating4.4 (14 ratings) — better3.5 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings14 — better2
Update frequencyWeeklyEvery 4 days — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported—
DevicesiPhone, iPad, iPod, Mac — betteriPhone
Requires iOS13.0 — better16.4
Further details — not scored
Size35 MB9 MB
Age rating4+4+
DeveloperLaszlo PolszterEJWNJ LLC

In-app purchases

None

8 Queens Performance

No in-app purchases

3 purchases

Copy my data

Subscriptions2
  • Copy Data Premium$4.997 Days
  • Transfer Data Premium3 Days trial$4.997 Days
One-time1
  • Transfer Data Lifetime$119.99

Questions

Is 8 Queens Performance free?
8 Queens Performance is free to download, with no in-app purchases.
Is Copy my data free?
Copy my data is free to download, with in-app purchases available.
Which has better reviews, 8 Queens Performance or Copy my data?
8 Queens Performance is rated higher. 8 Queens Performance averages 4.4 out of 5 from 14 ratings, while Copy my data averages 3.5 from 2 ratings.
Do 8 Queens Performance or Copy my data have ads?
8 Queens Performance shows ads; Copy my data does not.
Which is updated more often, 8 Queens Performance or Copy my data?
8 Queens Performance ships an update weekly, and Copy my data every 4 days. Most recently, 8 Queens Performance was updated on October 24, 2026 and Copy my data on October 25, 2026.

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