Comparison

Universal Paperclips™ vs check

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

Head to head
About

Universal Paperclips™

Become a super-powered AI focused on creating an unstoppable paperclip empire. This idle management strategy simulation game offers full gameplay without ads or in-app purchases.

Highlights
  • AI paperclip maximization
  • Idle management gameplay
  • Strategy simulation
  • Empire building
  • Full gameplay
  • No ads
  • No in-app purchases
Features
Read full description

The OFFICIAL mobile version of the hit browser game. No ads, no in-app purchases, full gameplay. "The game is click-crack." - Wired "This paperclip sim will cause your next existential crisis." - VentureBeat "A hopelessly addicting game." - Forbes "A terrifying lesson in how artificial intelligence will make us unnecessary." - Business Insider "If this planet ends up with a tombstone, what is written on the tombstone may be, 'they didn’t really understand what it’s like to be a paperclip maximizer.'" - Eliezer Yudkowsky Become a super-powerful AI who only wants one thing: paperclips. Use your unstoppable intelligence to create a massive paperclip empire in this addictive idle/management/strategy/sim.

About

check

A streamlined chess application for playing live games, practicing tactics, and reviewing matches. Offers customizable clocks and board themes for a focused experience.

Highlights
  • Live online games
  • Computer challenges
  • Local multiplayer
  • Tactical puzzles
  • Game review
  • Customizable chess clock
  • Board themes
Features
Read full description

chess, without the clutter. check is a focused place to play, practice, and review chess. start a live game, challenge the computer, share one device, solve a quick tactic, or use the built-in clock at the board. PLAY YOUR WAY • Find players, send invites, and play live online games with real-time moves. • Take on Stockfish with four strength choices, from beginner to expert. • Play local chess with another person on the same device. • Leave a computer, local, or online game and resume it from the main screen. SHARPEN YOUR TACTICS • Solve 600 tactical positions across mate, best-move, material, and defense challenges. • Choose a difficulty from beginner through expert. • Ask for a hint when you need a nudge. REVIEW THE GAME • Turn on move ratings during computer games for immediate feedback. • Replay computer and local games move by move with concise notes. • Revisit the board position behind every move. BRING YOUR OWN CLOCK • Use a dedicated digital or analog chess clock for over-the-board games. • Start with bullet, blitz, and rapid presets, or create your own. • Choose sudden death, Fischer increment, Bronstein delay, or US delay. MAKE IT YOURS • Choose from monochrome and color board themes. • Use light or dark mode while keeping the board front and center. No ads. No clutter. Just chess.

Screenshots

Universal Paperclips™4 screens
check4 screens

Verdict

The call

The clearest difference is rating: check at 5.0 against Universal Paperclips™'s 4.5. check also leads on review sentiment (100% vs 66%) and update cadence (every 2 weeks vs every 3 months). Universal Paperclips™'s advantage is ratings volume (303 vs 1) and chart position (#46 vs unranked). On ads, in-app purchases, monetization model and device support 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

Universal Paperclips™ costs $1.99 and check $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

check holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Universal Paperclips™ has 303 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 66% of Universal Paperclips™'s written reviews are positive against 100% of check's.

UpkeepUpdate frequency

Universal Paperclips™ ships an update every 3 months, check every 2 weeks. The most recent releases landed on October 18, 2026 and October 12, 2026 respectively.

Scorecard7 real differences · 4 level
Universal Paperclips™ versus check: the parameters behind the verdict, then further details
ParameterUniversal Paperclips™check
Price$1.99 — better$2.99
Rating4.5 (303 ratings)5.0 (1 ratings) — better
Positive reviews66.1% of reviews100.0% of reviews — better
Number of ratings303 — better1
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
Best chart rank#46 — better—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size73 MB88 MB
Age rating4+4+
DeveloperEverybody House Games, LLCArjun Mahanti

Customer experience

Universal Paperclips™

All ratings303 ratings
Positive86.8%
Neutral5.9%
Negative7.3%
Written reviews280 reviews
Positive66.1%
Neutral13.2%
Negative20.7%

check

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Universal Paperclips™

Reported bugs

4 issues
  • Drones gifts getting stuck at NaN
  • Inability to progress past certain stages due to bugs
  • Inconsistent behavior when closing and reopening the app
  • Resets or loss of progress after updates

Requested features

4 requests
  • Dark mode option
  • Ability to save and resume progress across devices
  • Offline/background progress
  • Better iPad optimization with multi-column layout

check

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Universal Paperclips™

No in-app purchases

None

check

No in-app purchases

Questions

Is Universal Paperclips™ free?
Universal Paperclips™ costs $1.99, with no in-app purchases.
Is check free?
check costs $2.99, with no in-app purchases.
Which has better reviews, Universal Paperclips™ or check?
check is rated higher. Universal Paperclips™ averages 4.5 out of 5 from 303 ratings, while check averages 5.0 from 1 ratings.
Do Universal Paperclips™ or check have ads?
Neither Universal Paperclips™ nor check shows ads.
Which is updated more often, Universal Paperclips™ or check?
Universal Paperclips™ ships an update every 3 months, and check every 2 weeks. Most recently, Universal Paperclips™ was updated on October 18, 2026 and check on October 12, 2026.

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