What is the best alternative to Number Paint: Color Puzzle on iPhone?

Color Dots Connect, S tier, #1 in connect the dots.

Is there a free alternative to Number Paint: Color Puzzle?

Yes: Color Dots Connect (S tier, #1) is free to download, with in-app purchases.

Yes. 2 apps rank above it in connect the dots: Color Dots Connect (#1), Cozy Ropes: Connect the Dots (#2).

Number Paint: Color Puzzle is C tier, #3 of 9 in connect the dots. Here is everything that competes with it on iPhone, in tier order.

1
Color Dots ConnectShigher tier
Free + IAP · ★ 4.8 · 20,200 ratings · score 89
Logic puzzle game where you connect matching colored dots on a grid without letting the lines cross.
2
Cozy Ropes: Connect the DotsAhigher tier
Free + IAP · ★ 4.7 · 3,901 ratings · score 87
A free relaxing puzzle game where you connect dots with rope to form shapes and reveal hidden pictures.
4
Dot to Dot: Connect the DotsC
Free + IAP · ★ 4.6 · 11,255 ratings · score 61
Free dot to dot puzzle game with over 500 pictures to connect, playable offline, with optional premium subscriptions.
5
Flow Free: BridgesC
Free + IAP · ★ 4.8 · 10,092 ratings · score 60
Puzzle game where you connect matching colors with pipes and use Bridges to cross two pipes while covering the whole.
6
1LINE one-stroke puzzle gameD
Free + IAP · ★ 4.7 · 30,288 ratings · score 58
Free puzzle game where you connect all the points on each stage with one continuous line.
7
Link & ArrowD
Free · ★ 4.6 · 2,869 ratings · score 58
Free puzzle game where you connect numbered nodes in order by drawing a continuous path through a grid.
8
Rope N RollD
Free · ★ 4.6 · 34,000 ratings · score 56
A free puzzle game where you wrap a rope around pegs to form a picture, similar to connect the dots.
9
Educational Games Abc TracingF
Free · ★ 4.2 · 2,107 ratings · score 39
Free game where kids connect dots to complete symbol images while learning letters A-Z and word pronunciations.

What is the best alternative to Number Paint: Color Puzzle on iPhone?: Color Dots Connect, S tier, #1 in connect the dots.
Is there a free alternative to Number Paint: Color Puzzle?: Yes: Color Dots Connect (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Number Paint: Color Puzzle?: Yes. 2 apps rank above it in connect the dots: Color Dots Connect (#1), Cozy Ropes: Connect the Dots (#2).