What is the best alternative to Graphing Calculator X84 on iPhone?

Calculate84, S tier, #1 in graphing.

Is there a free alternative to Graphing Calculator X84?

Yes: Calculate84 (S tier, #1) is free to download, with in-app purchases.

Yes. 3 apps rank above it in graphing: Calculate84 (#1), Graphing Calculator 84: Calc84 (#2), Taculator 84 Graphing Calc (#3).

Graphing Calculator X84 is A tier, #4 of 6 in graphing. Here is everything that competes with it on iPhone, in tier order.

1
Calculate84Shigher tier
Free + IAP · ★ 4.8 · 54,106 ratings · score 93
Graphing calculator app for iPhone with touch controls, intended for use with the TI-84.
2
Graphing Calculator 84: Calc84Shigher tier
Free download · ★ 4.6 · 5,062 ratings · score 90
Calculator app with a UI like a real 84 graphing calculator: graphing, scientific math, equation solving, and.
3
Taculator 84 Graphing CalcA
Free + IAP · ★ 4.5 · 7,644 ratings · score 86
Graphing and scientific calculator app for high school and college math, with statistics tools and built-in apps.
5
Graphing Calculator Plus AIA
$5.99 · ★ 4.6 · 12,056 ratings · score 82
Graphing calculator app with 2D graphing, matrix, statistics, base-N mode, programming tools and an AI math chat.
6
GraphNCalc83C
$12.99 · ★ 4.9 · 4,038 ratings · score 68
Graphing calculator app with algebraic entry, touch-based graphing, matrix and statistics tools, and BASIC programming.

What is the best alternative to Graphing Calculator X84 on iPhone?: Calculate84, S tier, #1 in graphing.
Is there a free alternative to Graphing Calculator X84?: Yes: Calculate84 (S tier, #1) is free to download, with in-app purchases.
Does anything rank above Graphing Calculator X84?: Yes. 3 apps rank above it in graphing: Calculate84 (#1), Graphing Calculator 84: Calc84 (#2), Taculator 84 Graphing Calc (#3).