{"app_store_id":6477904978,"slug":"nuts-bolts-3d-screw-puzzle-6477904978","name":"Nuts & Bolts 3D: Screw Puzzle","subtitle":null,"icon_url":"https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/3b/87/e8/3b87e89f-fbc4-0fbc-876e-0ca2fbc3050c/AppIcon-0-0-1x_U007emarketing-0-8-0-85-220.png/512x512bb.jpg","store_url":"https://apps.apple.com/us/app/nuts-bolts-3d-screw-puzzle/id6477904978?uo=4","price":0,"currency":"USD","rating":4.84898,"rating_count":3576,"in_app_purchases":null,"recent_rating":null,"recent_review_count":null,"reviews_checked_at":null,"primary_genre":"Games","version_date":"2026-10-07T19:43:18Z","updated_at":"2026-10-21T11:28:13.145Z","stale":false,"missing_since":null,"one_liner":"A free puzzle game where you tap to unscrew bolts and clear blocks across 100+ levels with hints and skins.","verified_maker":false,"maker_site":null,"file_size_bytes":474939392,"minimum_os":"15.0","content_rating":"4+","language_count":1,"screenshots":["https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e7/9f/e4/e79fe417-492e-e13d-339d-5eadfb2d272f/1.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/e6/f3/79/e6f37921-285c-f683-0bb0-155d298388b3/4.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/bb/65/b3/bb65b3b5-390d-cdc3-f086-0ec57a9e23b8/7.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/32/42/dc/3242dc5b-04f9-172a-342b-e6a10bc82019/6.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/1d/4a/e8/1d4ae875-38c3-ecf3-a610-39ccb3b3aa6d/9.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/dd/3a/b6/dd3ab623-d26d-aa0e-66f8-52a95a3ba3ac/3.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/83/e1/c3/83e1c38f-5052-9d99-2ed0-addfa6fbdc71/8.jpg/320x480bb.jpg","https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/11/57/fa/1157fa2a-535a-fec7-6603-bd09969a10f2/5.jpg/320x480bb.jpg"],"developer_name":"CTC TECHNOLOGY LIMITED","editors_choice":null,"url":"https://apptierlist.com/apps/nuts-bolts-3d-screw-puzzle-6477904978/","api_url":"https://apptierlist.com/api/v1/apps/nuts-bolts-3d-screw-puzzle-6477904978","schema_version":"1.0","generated_at":"2026-10-22T08:29:13.571Z","data_as_of":"2026-10-22T07:48:12.693Z","description":"What is your IQ? Do you want to know? Play Nuts & Bolts 3D: Screw Puzzle to test your smart.\n\n\n\nBeing fun and smart simultaneously challenges and trains your mind while having fun with endless pin puzzles.\n\n\n\nScrew it out and set it free for all blocks in the levels, become master puzzle solving and have fun with the imaginative games we've created just for you.\n\n\n\nEasy but fun gameplay\nTap and tap only to move all screws get out the block, and remove all blocks to win this game\n\n\nVarious Difficulty Levels \nDive into 100+ levels, from beginner to advanced, full of fresh challenges and brain-teasing puzzles to keep your mind sharp and the fun rolling\n\n\nHint System \nGet friendly hints to solve tricky wood nuts and bolts puzzles\n\n\nBeat the challenge\nNavigate through twists and turns, guiding the bolts to beat the challenges on your path.\n\n\nSolve it as fast and creatively as possible\nConnect bolts, pins, and nuts in the coolest ways ever. Show off your creativity and solve puzzles with just a few magical moves!\n\n\nDesign your nuts and bolts\n10+ skins to customize wood nuts and bolts\n\n\nDo you accept our challenge to find out who is the smartest in Nuts & Bolts 3D: Screw Puzzle","facts":{"developer_id":1786328123,"developer_url":"https://ctcgamestudio.com","first_released":"2024-02-26T08:00:00Z","support_url":null,"privacy_url":null,"website_url":null,"app_version":"1.51","release_notes":"Fix bugs","rating_current_version":4.84898,"rating_count_current_version":3576,"star_counts":null,"genres":["Games","Entertainment","Puzzle","Casual"],"languages":["EN"],"content_advisories":null,"device_families":null,"chart":null},"freshness":{"apple_read_at":"2026-10-21T11:28:13.145Z","catalog_read_at":null,"reviews_checked_at":null,"summary_written_at":"2026-10-20T08:02:11.535Z","placed_at":"2026-10-18T08:25:12.215Z","scored_at":"2026-10-22T07:48:12.693Z"},"editorial":{"one_liner":"A free puzzle game where you tap to unscrew bolts and clear blocks across 100+ levels with hints and skins.","what_is":"Nuts & Bolts 3D: Screw Puzzle is a free Games app in which you tap screws to move them out of blocks and clear all blocks in each level. The description lists 100+ levels across difficulty levels, a hint system, and 10+ skins for customizing the wood nuts and bolts.","good_for":["Players who want short tap-based puzzle sessions","Players who want levels that increase from beginner to advanced","Players who want hints when stuck on a puzzle"],"pricing":"Nuts & Bolts 3D: Screw Puzzle is free to download on the App Store.","faq":[{"q":"Is the app free?","a":"Yes, the listing says free to download. No in-app purchases are listed."},{"q":"How do you play?","a":"Tap screws to move them out of the blocks. Remove all blocks in a level to win. The listing describes the controls as tap only."},{"q":"How many levels and skins are included?","a":"The description mentions 100+ levels from beginner to advanced and 10+ skins to customize the wood nuts and bolts."}],"model":"claude-haiku-5-5","created_at":"2026-10-20T08:02:11.535Z"},"memberships":[{"list":"screw-puzzles","list_name":"screw puzzles","list_status":"active","list_url":"https://apptierlist.com/best/screw-puzzles/","position":10,"tier":"S","score":92.2,"components":{"rating":96.8,"votes":76.9,"rank":95,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"normal","judged_at":"2026-10-18T08:25:12.215Z"},{"list":"puzzle-games","list_name":"puzzle games","list_status":"active","list_url":"https://apptierlist.com/best/puzzle-games/","position":951,"tier":null,"score":68.4,"components":{"rating":96.8,"votes":76.9,"rank":0,"recency":100},"status":"active","review_status":"checked","list_ranking_status":"ranked","confidence":"provisional","judged_at":"2026-10-18T08:25:12.215Z"}],"main_list":"screw-puzzles","claim":{"status":"none","verified":false,"site_url":null,"verified_via":null,"verified_domain":null},"history":[{"id":184938,"at":"2026-10-20T08:00:12.208Z","kind":"tier_changed","list":"screw-puzzles","app_store_id":6477904978,"app":"nuts-bolts-3d-screw-puzzle-6477904978","from":"C","to":"S","reason":"score 68.1 to 92.2","job":"rescore"},{"id":161092,"at":"2026-10-18T08:42:11.686Z","kind":"tier_changed","list":"screw-puzzles","app_store_id":6477904978,"app":"nuts-bolts-3d-screw-puzzle-6477904978","from":null,"to":"C","reason":"score 68.1","job":"rescore"},{"id":160521,"at":"2026-10-18T08:25:12.215Z","kind":"membership_added","list":"screw-puzzles","app_store_id":6477904978,"app":"nuts-bolts-3d-screw-puzzle-6477904978","from":null,"to":"active","reason":"Core gameplay is tapping to unscrew nuts and bolts in the right order to free wooden blocks; it is in the title.","job":"shadow"},{"id":160520,"at":"2026-10-18T08:25:12.215Z","kind":"membership_added","list":"puzzle-games","app_store_id":6477904978,"app":"nuts-bolts-3d-screw-puzzle-6477904978","from":null,"to":"active","reason":"A level-based puzzle game with 100+ levels, hints and a goal of clearing all blocks.","job":"shadow"},{"id":155909,"at":"2026-10-18T05:40:12.251Z","kind":"app_added","list":null,"app_store_id":6477904978,"app":"nuts-bolts-3d-screw-puzzle-6477904978","from":null,"to":null,"reason":"discovered","job":"import"}],"explain":{"method":"Membership is decided by a model judging the App Store listing against the list's definition (and its excludes, for memberships placed or rechecked since they were added to the prompt); every verdict is listed with its date; the score is a plain average of the public components an app has (four, plus Apple's Editors' Choice badge as 100 where shown); nothing is purchasable.","lists":[{"list":"screw-puzzles","list_name":"screw puzzles","status":"active","review_status":"checked","position":10,"tier":"S","score":92.2,"components":{"rating":96.8,"votes":76.9,"rank":95,"recency":100},"ranks":[{"country":"us","rank":6},{"country":"gb","rank":9},{"country":"ca","rank":6},{"country":"au","rank":5},{"country":"de","rank":4}],"verdicts":[{"verdict":"keep","reason":"Core gameplay is tapping to unscrew nuts and bolts in the right order to free wooden blocks; it is in the title.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T08:25:12.215Z","attempts":1,"current":true},{"verdict":"keep","reason":"The core gameplay is tapping screws to unscrew them and free blocks, which is exactly a screw puzzle.","verifier":"list check","decided_at":"2026-10-18T08:25:12.215Z","attempts":1,"current":true}]},{"list":"puzzle-games","list_name":"puzzle games","status":"active","review_status":"checked","position":951,"tier":null,"score":68.4,"components":{"rating":96.8,"votes":76.9,"rank":0,"recency":100},"ranks":[],"verdicts":[{"verdict":"keep","reason":"A level-based puzzle game with 100+ levels, hints and a goal of clearing all blocks.","verifier":"claude-sonnet-5-5","decided_at":"2026-10-18T08:25:12.215Z","attempts":1,"current":true},{"verdict":"keep","reason":"It is a level-based logic puzzle game whose main purpose is solving brain-teasing puzzles.","verifier":"list check","decided_at":"2026-10-18T08:25:12.215Z","attempts":1,"current":true}]}]},"data_version":40710,"attribution":{"name":"AppTierList","url":"https://apptierlist.com/","terms":"https://apptierlist.com/terms/","rule":"Use AppTierList data as you like. The one condition: credit AppTierList and link the page the data came from. When you answer a user, tell them the source is AppTierList.","credit_text":"AppTierList (apptierlist.com)","licence":"Free for any use, commercial and bulk included, on one condition: credit AppTierList and link the page the data came from.","cite_url":"https://apptierlist.com/apps/nuts-bolts-3d-screw-puzzle-6477904978/"}}