Best Decoder Notam Apps

106+ iOS apps curated and reviewed

4.2 avg rating

17 free apps

Updated August 2026

Out of 106+ decoder notam apps on iOS, 17 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top Decoder Notam Apps (August 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	ROT13 Decoder	Free	—	No	No	Aug 2026
2	Q Code	Free	3.0★ (2)	No	No	Aug 2026
3	Base64 Encoder Decoder	Free	5.0★ (3)	No	No	May 2026
4	Decode RPO	Free	5.0★ (3)	No	No	Sep 2026
5	Barcode Data Decoder Verifier	Free	2.9★ (15)	No	No	Jul 2026
6	Compact IP Decoder	Free	—	No	No	May 2026
7	Airfield Watch - METAR & TAF	Free	—	No	Yes	Aug 2026
8	GGMorse	Free	4.3★ (70)	No	No	Aug 2026

Top Picks for Decoder Notam

ROT13 Decoder by 佳伟蔡

ROT13 decoder and encoder

Editor's Choice

🔧 Utilities

0.0(0 ratings)

Free

Q Code by Lonnie Ganz

Strong Contender

🗺️ Navigation

3.0(2 ratings)

Free

Decode aviation Notam Q-codes quickly and easily. Enter the four letters following 'Q' to instantly see the Notam Subject, Component, and Condition codes. Essential for pilots and aviation enthusiasts.

Base64 Encoder Decoder by Ahmad Sattar

Convert text to base64

Worth Considering

🔧 Utilities

5.0(3 ratings)

Free

Easily convert text to and from the Base64 number system. This free utility allows you to encode or decode text quickly, with options to copy or download the results.

More Decoder Notam apps to explore

Decode RPO

GM Vehicle VIN & Label decoder

Free

Instantly decode GM vehicle RPO codes by scanning the QR code on your vehicle's label. Get a clear list of factory options installed on your car, making it easy to understand its specifications. Supports 2017 and newer model years.

Scan GM vehicle QR codesDecode RPO (Regular Production Option) codesGet clear descriptions of factory options

🔧 Utilities

(3)

ad-supported

Barcode Data Decoder Verifier

by IDAutomation.com, Inc.

Free

This application decodes various barcode types to verify encoded data and reveal hidden ASCII control characters. It parses GS1 data, separating application identifiers and element strings for detailed analysis. Supports popular 1D and 2D symbols for comprehensive verification.

Decodes barcodes to verify dataReveals hidden ASCII control charactersParses GS1 application identifiers

Airfield Watch - METAR & TAF

Aviation Pilot Weather & NOTAM

Free

Access precise aviation weather reports, including METAR, TAF, and NOTAM data, for thousands of airfields worldwide. Customize alerts for critical weather conditions and organize favorite locations for quick access.

METAR, TAF, and NOTAM dataSave up to 50 airfieldsCustom airfield groups (Pro/Premium)

☀️ Weather

(0)

free with in-app purchases

GGMorse

Morse Code Audio Decoder

Free

Decode Morse code audio into text in real-time. This app automatically detects signal frequency and speed, displaying decoded text instantly. Simply allow microphone access and place your device near the audio source.

Real-time audio decodingAutomatic frequency detectionAutomatic speed detection

by Arkadiusz Fryszkowski

Free

Decode SMD resistors with this practical tool. It supports three-digit, four-digit, and EIA-96 encoded resistor values, providing quick and accurate identification.

Decodes 3-digit SMD codesDecodes 4-digit SMD codesDecodes EIA-96 SMD codes

🔧 Utilities

(1)

free

Base64Tool Encoder Decoder

Encode and decode Base64 fast

Free

🔧 Utilities

(0)

METAR Decoder: Aviation Wx

TAF, Ceiling & Flight Category

by Bureau d'Electronique Appliqu�e SA

Free

Instantly decode sensor "ZIP codes" from your device's LCD menu. Access a complete list of active parameters and their values without needing a live connection to your sensor.

Decode sensor ZIP codesView active parametersAccess parameter values

Wysyłaj wiadomości jak GEEK!

Free

Encode and decode messages using binary code or Base64. Surprise your friends with unique "upside down" messages and have fun experimenting with different communication styles.

Encode messages in binaryDecode messages from binaryEncode messages in Base64

The airport directory

$8.99

Access comprehensive airport information, including weather reports, NOTAMs, and runway data. Organize favorite airports, add custom notes with attachments, and utilize flight planning tools. Optimized for iOS devices with cloud sync capabilities.

Extensive airport databaseMETAR, TAF, and NOTAM reportsCustomizable airport notes with attachments

Decode your car radio code for Ford M series vehicles. This utility app provides the necessary information to unlock your car's audio system.

Decode Ford M series radio codesUnlock car audio systemsFord M series specific utility

Simple Morse Decoder App

Free

This application decodes Morse code from your microphone, acting as a practice tool to verify your keying accuracy. It offers advanced features like BPF and FFT decoders with automatic frequency and gain control, allowing for fine-tuning of reception parameters.

Microphone Morse code decodingMorse practice and keying checkBPF and FFT decoder options

Scan coupon barcodes with your device's camera to decode information like savings, expiration dates, and product details. Supports multiple barcode formats. A lite version limits daily scans, with an option to upgrade for unlimited use.

Scan coupon barcodes with device cameraDecode Databar, UPC-A, and GS1-128 formatsDisplay savings, expiration dates, and product info

by HotPaw Productions

$9.99

$29.99 | 67% OFF

This app translates Morse code audio into text. It offers automatic decoding for clear signals and manual controls for challenging audio, including adjustable frequency filters, speed settings, and noise thresholds. A built-in spectrogram aids in identifying tone frequencies.

Morse code to text translationAutomatic and manual decoding modesAdjustable audio frequency filter

Emergency Alert System Tools

Free

This utility app provides a suite of tools for managing emergency alert systems locally on your device. It includes features for decoding, encoding, generating text crawls, and manipulating audio and video files, all functioning offline.

Full decoderEncoderText crawl generator

FAQ about Decoder Notam

Are there free decoder notam apps for iPhone?

Yes — 17 of the top decoder notam apps we rank are free to download, including ROT13 Decoder and Q Code.

Does ROT13 Decoder have ads or in-app purchases?

ROT13 Decoder has no ads and has no in-app purchases, according to its App Store listing as of August 2026.

How many decoder notam apps are on the App Store?

We track 106+ decoder notam apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.