What is the best alternative to Dot to Dot: Connect the Dots on iPhone?

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

Is there a free alternative to Dot to Dot: Connect the Dots?

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).

Dot to Dot: Connect the Dots 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 · 19,919 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 DotsShigher tier
Free + IAP · ★ 4.7 · 3,874 ratings · score 89
A free relaxing puzzle game where you connect dots with rope to form shapes and reveal hidden pictures.
4
Number Paint: Color PuzzleC
Free + IAP · ★ 4.8 · 6,511 ratings · score 66
A number puzzle game where you link numbers in order across a grid to reveal a hidden painting.
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 59
Free puzzle game where you connect all the points on each stage with one continuous line.
7
Link & ArrowD
Free download · ★ 4.6 · 2,861 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 · 33,999 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 download · ★ 4.2 · 2,096 ratings · score 37
Free game where kids connect dots to complete symbol images while learning letters A-Z and word pronunciations.

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