Best In Folio alternatives: apps like In Folio

📊 Productivity

Whether you want more options like In Folio 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 In Folio

RPN Calc by James Mattis

Editor's Choice

4.0(6 ratings)

$0.99

This app provides a straightforward reverse Polish notation (RPN) calculator experience, inspired by classic HP models. It offers a clean interface with large buttons for quick calculations on iPhone, iPad, and Apple Watch, along with a convenient Today Extension for immediate access.

InterCalc by River Rock Logic

Strong Contender

5.0(1 ratings)

Free

This app performs linear interpolation using a set of X-Y values to define a relationship. It can calculate values based on defined points, useful for tasks like converting pressure readings to fluid volumes in containers or performing simple unit conversions.

Chart Builder : Simple by RetroAge Engineering

Worth Considering

0.0(0 ratings)

Free

More apps like In Folio

Ham Listening

World Radio via KiwiSDR

(0)

GRF decoderSnowtam decoderMOTNE decoder

GRF Snowtam

Global Reporting Format

$1.99

Decode aviation weather reports with this tool. It handles Global Reporting Format (GRF) and older Snowtam formats, converts visibility and temperature units, and calculates altitude corrections for cold weather.

(1)

paid

BookletPro

PDFs to folded booklets

(0)

AircraftPower S

by James Petty

Calculates performance for 74 Continental and 107 Lycoming engine modelsGraphic display of engine performance chartsIllustrates manual altitude performance construction methods

This app calculates and displays the performance of numerous Continental and Lycoming aircraft engine models. It offers a graphic display illustrating manual construction methods for determining altitude performance, with adjustable input values and unit preferences.

(5)

free

Best for Ukulele beginner!!

Ukulele -Tuner&Chords-

Ukulele tunerChord diagramsUkulele parts guide

This app helps beginners learn the ukulele with essential tools like a tuner and chord diagrams. It also provides information on ukulele parts and fretboard notes. Its user-friendly design makes it ideal for those starting their musical journey.

free with in-app purchases

(0)

Digital Stationery Companion

Penedex

Create pen, ink, and currently inked entriesTrack pen and ink combinationsCatalog pen details (material, nib size, photos)

Easily manage your pen and ink collections, track inked pens, and identify those needing cleaning. Catalog details like material, nib size, and ink characteristics. Includes a wishlist and pen show calendar.

(16)

freemium

Internet Speed Test & WiFi

Ping, Upload & Download Meter

Accurate speed testingDownload and upload speed testsPing/latency measurement

Accurately measure your internet connection's download and upload speeds, latency, and performance over time. Track trends, troubleshoot issues, and compare speeds with detailed analytics and a user-friendly interface.

(7)

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