What is the best alternative to Smoke Free - Quit Smoking Now on iPhone?

Quit Smoking --~ Smoke Free, S tier, #1 in smoking cessation.

Is there a free alternative to Smoke Free - Quit Smoking Now?

Yes: Quit Smoking --~ Smoke Free (S tier, #1) is free to download, with in-app purchases.

Yes. 2 apps rank above it in smoking cessation: Quit Smoking --~ Smoke Free (#1), QuitNow (#2).

Smoke Free - Quit Smoking Now is S tier, #3 of 6 in smoking cessation. Here is everything that competes with it on iPhone, in tier order.

1
Quit Smoking --~ Smoke FreeS
Free + IAP · ★ 4.7 · 11,444 ratings · score 94
Quit smoking app with tools for tracking progress, cravings, daily tasks, savings goals, and tips from former smokers.
2
QuitNowS
Free + IAP · ★ 4.7 · 13,621 ratings · score 93
Tracks smoke-free progress and milestones, with a quit course, ex-smoker chat and monthly expert sessions.
4
Quit smoking for good - KwitS
Free + IAP · ★ 4.7 · 2,828 ratings · score 90
Free quit smoking app with progress tracking, craving tools, community groups, and educational content.
5
quitSTART - Quit SmokingA
Free · ★ 4.6 · 2,424 ratings · score 89
Free app that gives tailored quit-smoking tips, challenges, and milestone badges based on your smoking history.
6
My Last CigaretteB
Free download · ★ 4.5 · 1,927 ratings · score 71
Quit smoking tracker that shows estimated health, savings and craving readouts based on your past smoking habits.

What is the best alternative to Smoke Free - Quit Smoking Now on iPhone?: Quit Smoking --~ Smoke Free, S tier, #1 in smoking cessation.
Is there a free alternative to Smoke Free - Quit Smoking Now?: Yes: Quit Smoking --~ Smoke Free (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Smoke Free - Quit Smoking Now?: Yes. 2 apps rank above it in smoking cessation: Quit Smoking --~ Smoke Free (#1), QuitNow (#2).