215+ iOS apps & games curated and reviewed
Every iPhone needs a few good decode pro apps and games. We benchmark 215+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 5.0★ (3) | No | No | Aug 2026 |
| 2 |  | $9.99 was $29.99 | — | No | No | Jul 2026 |
| 3 |  | Free | — | Yes | Yes | May 2026 |
| 4 |  | $1.99 | 5.0★ (1) | No | No | Aug 2026 |
| 5 |  | Free | 4.7★ (7K) | Yes | No | Aug 2026 |
| 6 |  | Free | 4.8★ (30K) | Yes | Yes | Aug 2026 |
| 7 |  | Free | 4.8★ (8.7K) | No | No | Aug 2026 |
| 8 |  | Free | 4.5★ (6.6K) | Yes | Yes | Aug 2026 |
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.
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.
This application decodes Morse code from your device's microphone, offering two decoding methods (BPF and FFT) with adjustable parameters. It includes features like automatic frequency detection, gain control, and real-time signal display for accurate Morse code practice and reception.
Decode famous quotes using a 1-to-1 substitution cipher. This free word puzzle game challenges your knowledge of language and grammar to reveal insightful sayings from notable individuals. Play online or offline and track your solve times.
This app helps women track their hormonal health and fertility using body temperature data. It offers hormone-free contraception, pregnancy planning, and insights into various cycle stages. It adapts to individual cycles, even irregular ones, providing daily fertility status.
Easily identify vehicles and order necessary parts with this professional tool. Features like VIN scanning and license plate decoding ensure order accuracy and speed. Access a full catalog and local store inventory to get the right parts quickly.
This app allows you to read and write NFC tags, scan and create QR codes, digitize documents, and capture 3D models. It offers advanced NFC tools like encryption and batch operations, alongside a versatile QR code scanner and document scanner with OCR.
This application provides fast and secure scanning of QR codes and various barcode formats. It offers an ad-free and privacy-focused experience with no hidden costs or data collection. Simply open the app and point your camera at the code to scan.
Engage your mind with a variety of puzzles including cryptograms, anagrams, crosswords, and Sudoku. This game offers over 500 levels and 10,000 quotes for an enriching intellectual adventure.
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.
Engage your logic and deduction skills by solving thousands of encrypted word puzzles. Uncover famous quotes and test your brain with daily challenges. Play offline anytime, anywhere.
Convert text to Morse code and vice versa. Transmit messages using flashlight, screen blinking, vibration, or sound. Includes practice modes for learning Morse code.
Decode VINs to reveal original vehicle equipment, options, and cost. This tool helps ensure accurate car descriptions and pricing for used vehicles, preventing potential financial losses.
Decode encrypted messages, quotes, and riddles using logic and pattern recognition. This game offers daily challenges and a relaxing, pressure-free environment to sharpen your brain and improve cognitive skills.
This utility app allows users to encode and decode various text formats, including Base64, Unicode, Morse code, and URI encoding. It also calculates multiple hash values like MD5 and SHA256, and can encode images to Base64 and decode Base64 strings back to images.
Easily scan and generate QR codes and barcodes for sharing, marketing, or product information. Features include auto-scan mode, the ability to save and organize codes, and quick sharing options. Unlock premium features with a subscription for unlimited scans and advanced functionalities.
This app allows automotive professionals to quickly scan VINs for accurate vehicle selection, check parts inventory, and order in-stock items for same-day delivery. It also facilitates searching by keyword or interchange part numbers and tracking orders.
Learn and practice Morse code with this app. It offers translation between English and Morse, with output options for sound, vibration, and flashlight. Includes an auto-decode feature and a printable guide.
Unlock the hidden messages and emotions within your dreams with AI-powered interpretation. Explore symbols, track patterns, and gain deeper self-understanding through a personalized dream journal and insights.