Comparison

Thread Fever vs Bus Screw Saga

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

Head to head
About

Thread Fever

Engage in a relaxing yet challenging puzzle game where you untangle colorful threads and sort them into matching boxes. Progress through levels by completing beautifully stitched designs and testing your strategic thinking.

Highlights
  • Color thread sorting
  • Knot untangling mechanics
  • Complete stitched designs
  • Boosters and power-ups
  • Weekly new levels
  • Global leaderboard
Features
Read full description

Thread Fever is the original color sort thread puzzle that turns colorful threads into a calm yet clever challenge. Unravel tangled threads, sort colors into the right boxes, and complete beautifully stitched designs as you progress through a relaxing but brain-engaging puzzle experience. Test your focus and strategy as you rotate objects, plan ahead, and make every move count. Collect threads, complete unique canvases, and grow your collection as you progress. Easy to start, deeply satisfying to master. How to Play: • Tap to collect threads from knitted objects and match them with boxes of the same color • Use slots as temporary space for threads you need later • Drag to rotate and pinch to zoom for a better view of details • Complete levels to collect threads and finish beautifully stitched canvases • Complete canvases to expand your collection and track your progress • Climb the leaderboard and compete with players worldwide Features: • Canvas collection system with unique designs to complete • Boosters: Shuffle, Magnet, Broom • Pre-Level Boosters: Extra Box, Rainbow Box, Magic Box • Weekly new level updates • Options to add extra boxes and slots • Improved visuals and smoother animations • Hundreds of colorful thread-sorting puzzles • Global leaderboard system Why You’ll Love It: • A perfect balance of relaxation and brain-teasing challenge • Satisfying thread-sorting and stitching mechanics • Build your collection by completing new canvases • Easy to learn, harder as you progress • Great for quick sessions or long play times • A rewarding sense of progress through levels, collections, and leaderboard results Dive into the vibrant world of threads, conquer hundreds of levels, complete your canvas collection, and turn chaos into perfect order!

About

Bus Screw Saga

Features
Read full description

"Bus Screw Saga" is a highly creative and strategic puzzle game. The gameplay involves dispatching cars of the same color from the parking lot to collect screws. The cars come in different sizes, and each car has a specific deployment order. Once a car parks in a slot, screws are automatically loaded onto it, freeing up the parking space so that the next car can be sent out! The levels in the game are intricately designed, requiring players to employ wisdom and strategy to successfully clear them. This not only enhances players' thinking abilities but also stimulates their creativity and imagination. "Bus Screw Saga" is an excellent game that combines relaxation, puzzles, and elimination mechanics. It allows players to exercise their cognitive skills and enjoy the fun of gaming in a lighthearted and joyful atmosphere.

Screenshots

Thread Fever4 screens
Bus Screw Saga4 screens

Verdict

The call

The clearest difference is in-app purchases: Bus Screw Saga at none against Thread Fever's 16. Bus Screw Saga also leads on ads (none vs shown) and update cadence (every 2 days vs every 11 days). On price, device support and iOS requirement 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. Thread Fever sells 16 one-off in-app purchases. Bus Screw Saga asks for nothing beyond the download.

UpkeepUpdate frequency

Thread Fever ships an update every 11 days, Bus Screw Saga every 2 days. The most recent releases landed on October 30, 2026 and October 1, 2026 respectively.

Scorecard3 real differences · 7 level
Thread Fever versus Bus Screw Saga: the parameters behind the verdict, then further details
ParameterThread FeverBus Screw Saga
PriceFreeFree
Rating4.8 (1.6K ratings) — better—
Positive reviews41.5% of reviews—
Number of ratings1.6K — better—
Update frequencyEvery 11 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size356 MB60 MB
Age rating4+17+
DeveloperVirtual Projects忠吉 唐

Bugs and requests

Thread Fever

Reported bugs

9 issues
  • Game crashes at end of levels without awarding rewards
  • Freezing and locking up during gameplay
  • Level 3 displays extra box preventing progression
  • Level 29 yellow threads unclickable
  • Level 121 threads cannot be collected
Show 4 more
  • Glitching daily levels with misaligned elements
  • Incorrect color display under current layer after update
  • Game fails levels prematurely when slots are full
  • Leftover boxes preventing level completion

Requested features

5 requests
  • More levels beyond current cap (level 174)
  • Increased difficulty progression instead of repetition
  • Persistent power-ups that carry between levels
  • Better reward-to-cost balance for in-game currency
  • Ad-free experience that actually works

Bus Screw Saga

Not enough reviews yet to summarise bugs or requests.

In-app purchases

16 purchases

Thread Fever

One-time16
  • Travel Deal$0.99
  • Mini Coin Pack$1.99
  • Special Bundle$2.99
Show 13 more
  • Piggy Bank$2.99
  • Second Chance Offer$5.99
  • No Ads$7.99
  • Small Coin Pack$7.99
  • Elite Pass$9.99
  • Stitcher’s Bag$9.99
  • Medium Coin Pack$14.99
  • Crafter’s Chest$19.99
  • Big Coin Pack$29.99
  • Artisan’s Kit$39.99
  • Special Pack$39.99
  • Super Coin Pack$54.99
  • Mega Coin Pack$99.99
None

Bus Screw Saga

No in-app purchases

Questions

Is Thread Fever free?
Thread Fever is free to download, with in-app purchases available.
Is Bus Screw Saga free?
Bus Screw Saga is free to download, with no in-app purchases.
Do Thread Fever or Bus Screw Saga have ads?
Thread Fever shows ads; Bus Screw Saga does not.
Which is updated more often, Thread Fever or Bus Screw Saga?
Thread Fever ships an update every 11 days, and Bus Screw Saga every 2 days. Most recently, Thread Fever was updated on October 30, 2026 and Bus Screw Saga on October 1, 2026.

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