Unscrew Master: Nuts & Bolts

Unscrew Master: Nuts & Bolts

By VN World Trade

Unscrew Master: Nuts & Bolts is a casual physics puzzle game for iOS where players disentangle iron pieces and bolts.

The App DNA

What makes this app unique?

The game serves players looking for tactile, ASMR-style puzzle challenges that can be played in short, ad-supported sessions.

For Casual puzzle gamers who enjoy tactile, physics-based challenges and ASMR-style audio feedback.

What does it look like?

Key features

Screw Pin Manipulationstandard

Manual unblocking and disentangling of iron pieces from metal plates to drive session frequency.

Handsaw Tool Mechanicedge

Interactive tool used to cut through metal plates to increase complexity and session duration.

ASMR Metal Audioedge

Auditory feedback mimicking metal-on-metal interaction to increase engagement.

How much does it cost?

freeFree to play

Ad-supported free-to-play model with no explicit subscription or IAP gates mentioned in store metadata.

Velocity

Maintenance developmentnew contentShow more...

With only one release in the observed window, the app operates at a maintenance cadence of approximately 0.25 releases per month. Development is currently focused on incremental content additions rather than significant feature expansion. The release notes are minimal, providing no insight into specific mechanics or technical improvements. The current trajectory suggests a stable but slow development cycle.

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Who built it?

VN World Trade

2 apps tracked · Games

Screw PuzzleScrew Puzzle
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User Sentiment

What do users think recently?

Recent user voice shows a frustrated sentiment. Users appreciate the core puzzle mechanic involving screw removal and board physics provides a satisfying mental challenge.

How are ratings & reviews evolving?

App Store
4.79 · 22k

What users say, by theme

What Users Love
  • The core puzzle mechanic involving screw removal and board physics provides a satisfying mental challenge
What Frustrates Users
  • Frequent and excessively long advertisements interrupt gameplay flow and diminish the overall user experience
+ 2 more themes
What Users Want 1 request inside

49 of 49 recent reviews analyzed · high confidence · Frustrated overall

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Unlock 2 more frustration themes and 1 user request, each backed by review evidence.

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Competition

Competitive landscape for Unscrew Master: Nuts & Bolts

How's the Games market?

Unscrew Master: Nuts & Bolts occupies the casual puzzle space with a 4.79 rating across 22,018 total ratings. The reliance on ad-monetization without functional IAP gates limits revenue potential relative to the user base size.

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The rivals identified

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The Analyst's Read

Key takeaways for Unscrew Master: Nuts & Bolts

Where is it heading?

The casual puzzle market is consolidating around titles with high technical stability and transparent monetization. Unscrew Master: Nuts & Bolts is currently exposed due to a maintenance-only update cadence that fails to address critical bugs, meaning the user base will likely continue to decline until stability is restored.

  • Technical regressions (blank screens, progression blockers) in the latest release erode the daily active habit, which compounds the rating drag.
  • Broken ad-removal purchases create a trust deficit that prevents monetization of the most engaged users who seek to avoid ad interruptions.

The SWOT

Core Strengths
  • Tactile ASMR audio feedback increases session length
Critical Frictions 2 weaknesses inside
Growth Levers
  • Fixing IAP logic would capture lost revenue
Market Threats 1 threat identified

Next best moves

1 Pivot · 1 Invest

Audit and fix the ad-removal IAP logic because users report paying for ad-free experiences that fail to trigger → restore revenue integrity.

+ 1 more prioritized move

The counter-intuitive read

The high store rating is a lagging indicator…

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Bottom line

Fixing the broken ad-removal purchase and the blank-board rendering bug would address the primary drivers of negative sentiment, which currently threaten the long-term viability of the user base.

Unlock 2 critical frictions, 1 market threat, 1 more prioritized move and the analyst’s take.

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FAQ

Is Unscrew Master: Nuts & Bolts free to play?
Yes, the game is free to play and supported by advertisements. While there are options to remove ads, users report that these purchases may not function as expected.
Does Unscrew Master: Nuts & Bolts have intrusive ads?
Users frequently report that advertisements are long and appear after every win or level restart, which significantly interrupts the gameplay flow.
What should I do if the game screen is blank?
Recent updates have introduced technical regressions causing blank screens and progression blockers. If you encounter this, you may need to wait for a future update, as current reports indicate the issue persists after the latest release.

Sources

  1. [1] App Store, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Unscrew Master: Nuts & Bolts, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Unscrew Master: Nuts & Bolts Intelligence Report.” Updated Sep 21, 2026. https://marlvel.ai/apps/unscrew-master-nuts-bolts

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