What is the best alternative to Pastel on iPhone?

Color Identifier: Color Picker, S tier, #1 in color picking.

Is there a free alternative to Pastel?

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

Yes. 3 apps rank above it in color picking: Color Identifier: Color Picker (#1), Color Muse (#2), Color Identifier: Paint Match (#3).

Pastel is B tier, #4 of the 6 tiered apps in color picking. Here is everything that competes with it on iPhone, in tier order.

1
Color Identifier: Color PickerShigher tier
Free + IAP · ★ 4.5 · 2,669 ratings · score 87
Detects the color of any pixel in a photo or image and shows its RGB, CMYK, HEX values and color name.
2
Color MuseAhigher tier
Free + IAP · ★ 4.8 · 1,768 ratings · score 85
Pairs with Color Muse hardware to scan colors and find matching paint and product colors from brand libraries.
3
Color Identifier: Paint MatchAhigher tier
Free + IAP · ★ 4.1 · 206 ratings · score 83
Identifies colors from the camera or photos and matches them to named paint and design color libraries with HEX, RGB.
5
Color Name ARC
Free + IAP · ★ 4.4 · 16,090 ratings · score 65
Color database app for viewing and searching color names, with a built-in Pantone color scheme assistant.
6
Opsino: Color IdentifierF
Free + IAP · ★ n/a · 0 ratings · score 40
Names everyday colors from the iPhone camera or a photo, as an aid for color blindness.

What is the best alternative to Pastel on iPhone?: Color Identifier: Color Picker, S tier, #1 in color picking.
Is there a free alternative to Pastel?: Yes: Color Identifier: Color Picker (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Pastel?: Yes. 3 apps rank above it in color picking: Color Identifier: Color Picker (#1), Color Muse (#2), Color Identifier: Paint Match (#3).