What is the best alternative to Color Knitzy on iPhone?

Yarn Loop: Knit Puzzle, S tier, #1 in knitting puzzles.

Is there a free alternative to Color Knitzy?

Yes: Yarn Loop: Knit Puzzle (S tier, #1) is free to download.

Yes. 5 apps rank above it in knitting puzzles: Yarn Loop: Knit Puzzle (#1), Knit Away - Yarn 3D (#2), Knit Out (#3) and more.

Color Knitzy is B tier, #6 of 7 in knitting puzzles. Here is everything that competes with it on iPhone, in tier order.

1
Yarn Loop: Knit PuzzleShigher tier
Free download · ★ 4.8 · 56,290 ratings · score 96
A free puzzle game where colored yarn bobbins collect matching stitches to complete knitted patterns.
2
Knit Away - Yarn 3DShigher tier
Free download · ★ 4.9 · 24,768 ratings · score 95
A cozy yarn puzzle game where you pull colored threads from knitted items and sort them into matching-colored boxes.
3
Knit OutShigher tier
Free + IAP · ★ 4.7 · 36,948 ratings · score 92
Puzzle game where you clear lines of knots and match released ropes to bobbins on a grid.
4
Yarnation: Unravel FlowShigher tier
Free download · ★ 4.7 · 8,958 ratings · score 92
A sorting puzzle where you unravel knitted pixel artwork by removing yarn stitches in the correct order.
5
stitch.Ahigher tier
n/a · ★ 4.8 · 34,841 ratings · score 85
A casual puzzle game where you fill numbered grid areas with no gaps to stitch embroidery patterns called Hoops.
7
Thread Jam - Untangle 3D RopesC
Free + IAP · ★ 4.8 · 11,444 ratings · score 67
A free puzzle game where you sort colored thread spools into matching groups to fill in embroidered 3D stitch pictures.

What is the best alternative to Color Knitzy on iPhone?: Yarn Loop: Knit Puzzle, S tier, #1 in knitting puzzles.
Is there a free alternative to Color Knitzy?: Yes: Yarn Loop: Knit Puzzle (S tier, #1) is free to download.
Does anything rank above Color Knitzy?: Yes. 5 apps rank above it in knitting puzzles: Yarn Loop: Knit Puzzle (#1), Knit Away - Yarn 3D (#2), Knit Out (#3) and more.