Best 12C Platinum Calculator alternatives: apps like 12C Platinum Calculator

10+ similar apps compared and reviewed

4.3 avg rating
8 free apps
Updated November 2026

Whether you want more options like 12C Platinum Calculator or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to 12C Platinum Calculator

RLM-10CX#1

RLM-10CX by R.L.M. Software

Scientific Calculator
Editor's Choice
🔧 Utilities
5.0(1 ratings)
FreeIn-App Purchases
RLM-10CX screenshot 1
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RLM-10CX screenshot 5
RLM-10CX screenshot 6

This scientific calculator offers a comprehensive suite of tools for finance, business, statistics, and complex scientific calculations. It emulates a classic calculator while leveraging modern iOS device capabilities for ease of use and advanced functions.

RLM-11CX#2

RLM-11CX by R.L.M. Software

Scientific & Programable
Strong Contender
🔧 Utilities
3.1(7 ratings)
FreeIn-App Purchases
RLM-11CX screenshot 1
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RLM-11CX screenshot 6

This app is a scientific and programmable calculator designed for science and engineering, replicating the functionality of the HP-11C. It offers extensive features for finance, business, statistics, complex numbers, and unit conversions, with a programmable interface for custom calculations.

More apps like 12C Platinum Calculator

4
Calculator mini - Combo
Calculator mini - Combo
Calculator mini - Combo
History & Widget
Free

A straightforward calculator app featuring a clean design. It offers essential calculation functions, a history log, and home screen widget support for quick access. Enjoy a seamless and elegant user experience for your everyday calculations.

Basic calculation functionsCombination calculationHistory records
🔧 Utilities
(5)
free
5
HP-35
HP-35
HP-35
RPN Calculator. HP-35, 45, 21
Free

Emulates classic Hewlett Packard RPN scientific calculators from the 1970s. Experience the original HP-35, HP-45, and HP-21 models on your iPhone.

RPN calculator emulationHP-35 modelHP-45 model
🔧 Utilities
(62)
free
6
bcRPN
bcRPN
bcRPN
by Paul Wilkins
Free

This utility app functions as a Reverse Polish Notation calculator. It handles complex numbers and utilizes extended precision for all calculations, offering an unlimited stack depth and an undo feature for up to 10 operations.

Reverse Polish Notation (RPN) inputComplex number calculationsExtended precision math
🔧 Utilities
(8)
free
7
Slice: Screen Time & App Locks
Slice: Screen Time & App Locks
Slice: Screen Time & App Locks
Block Apps, Focus & Save Time
Free

This app helps you eliminate digital distractions by allowing you to lock specific applications and set time limits. It's designed to boost productivity and protect your privacy by preventing unauthorized access to your apps.

Block distracting appsSet app time limitsCustomizable app restrictions
🔧 Utilities
(28)
free with in-app purchases
8
CRM Journal | Timely Contact
CRM Journal | Timely Contact
CRM Journal | Timely Contact
Save Contact: Meeting Details
Free

This app helps you manage your professional and personal network by tracking last contact dates and important details. Never forget a birthday or anniversary again, and get reminders to reconnect. Store files and metadata for each contact to keep all essential information in one place.

Track last contact datesStore contact files and metadataReminders for anniversaries and birthdays
🔧 Utilities
(18)
free with in-app purchases
9
Disk Graph
Disk Graph
Disk Graph
Save disk space
$5.99

Analyze your device's storage to identify large files and identify items not accessed recently. This utility helps you reclaim disk space by showing what's taking up the most room. Access directories directly through the Files app.

Inspect disk usageFind large filesIdentify old files
🔧 Utilities
(5)
paid
10
Calctan
Calctan
Calctan
Scientific & Tape Calculator
Free

This app offers a high-precision scientific and financial calculator with an editable tape for auditing calculations. It supports complex formulas, a wide range of mathematical functions, and customizable constants, all within an ad-free, private interface.

Smart formula workspace with direct cursor editingAdvanced scientific engine with true order of operationsAuditable calculation history on a digital tape
🔧 Utilities
(61)
free