Essay Writer vs CipherKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Essay Writer
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Introducing AI Writer, the leading iOS app that brings advanced artificial intelligence technology to the world of writing. Whether you need to create an essay, compose an email, formulate an engaging resume or a compelling narrative, "AI Writer" gives you all the tools you need to succeed. With an advanced AI-based chat system, "AI Writer" becomes your personalized texting assistant. The app also acts as a universal translator, ensuring perfect understanding in different languages. In addition, "AI Writer" helps you generate code, inspire business ideas, compose messages, create engaging paragraphs and even develops you in writing short stories, jokes, songs, poems, recipes and workout plans. Enhance your writing skills and discover new possibilities with "AI Writer", your trusted writing companion on iOS. In-app purchase: You can become a premium user by auto-renewing your subscription. - Payment will be charged to your iTunes account when you confirm your purchase. - Subscription will automatically renew unless auto-renew is turned off at least 24 hours before the expiration date. - Subscription length: one week, one month, one year. - If you renew your subscription within 24 hours before the end of the current period, your account will be charged the amount corresponding to the renewal price. - Subscription cost: one week - $4.99, one month - $9.99, tree month - $29.99. - Subscriptions can be managed by the user, and auto-renewal can be disabled by going to User Account Settings after purchase. - Cancellation of the current subscription during the active subscription period is not allowed Privacy Policy: https://appslabs.org/privacy-policy/ Terms of Use: https://appslabs.org/terms-of-service/
CipherKit
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Crack any cipher, encrypt anything, and train your brain with daily puzzles. CipherKit is a complete cryptography lab, codebreaking toolkit, puzzle game, and encrypted vault that works fully offline. SOLVE UNKNOWN CIPHERTEXT Paste, type, or scan a message and let CipherKit figure it out: • Auto-detects the likely cipher and recovers the key • Solvers for Vigenère, Beaufort, Gronsfeld, monoalphabetic substitution, affine, rail fence, and columnar transposition • Interactive Substitution Workbench: tap letters to map them, lock what you know, auto-fill by frequency, or let the hill-climbing solver finish • Frequency analysis and index of coincidence in five languages • Recognizes Base64, hex, binary, URL, and decimal encodings • Honest results when text looks like modern encryption • Save sessions with notes and come back later ENCRYPT WITH 48 CIPHERS From antiquity to the present day: • Substitution: Caesar, ROT13, Atbash, Affine, Keyword, Baconian, Homophonic • Polyalphabetic: Vigenère, Beaufort, Autokey, Running Key, Gronsfeld • Transposition: Rail Fence, Columnar, Scytale, Route • Polygraphic: Playfair, Two-Square, Four-Square, Bifid, Trifid, Hill, ADFGX, ADFGVX, Nihilist, Polybius • Machines: Enigma, M-209, Jefferson Disk • Stream: RC4, ChaCha20, Salsa20, One-Time Pad, Vernam, LFSR • Block and AEAD: AES, DES, Blowfish, Twofish, Camellia, AES-GCM, ChaCha20-Poly1305 • Public key: RSA and Diffie-Hellman demonstrations • Morse code and Tap Code, with audio playback WATCH CIPHERS WORK Animated visualizers show every step: rotating Caesar rings, the Vigenère tabula recta, rail fence zig-zags, Playfair grids, columnar read-offs, Enigma rotors stepping, and Morse timelines. Chain several ciphers into a recipe and save it. PLAY EVERY DAY • Daily challenge with streaks, history, and shareable results • 125 hand-verified puzzles across 10 packs, from Easy to Diablo • Sprint, No-Hint Challenge, and endless Cipher Drill modes • Share puzzles with friends by link or QR code • Achievements, mastery levels, and Game Center leaderboards LEARN CRYPTOGRAPHY Interactive lessons with quizzes for every cipher family, a timeline from the scytale to post-quantum encryption, and history, weaknesses, and worked examples for each cipher. KEEP SECRETS SAFE The Vault stores notes with AES-256-GCM encryption, protected by Face ID, Touch ID, or your passcode. Organize with folders and tags, auto-lock on a timer, and export encrypted backups. WORKS EVERYWHERE • Home Screen and Lock Screen widgets with today's challenge and your streak • Control Center control to jump into the daily challenge • Share extension: decode text from Safari, Messages, or any app • Apple Watch app with a Morse tapper that sends to your iPhone • Live camera capture for printed ciphertext • Siri and Shortcuts: encode, decode, analyze, or check your streak • Native Mac app with keyboard shortcuts PRIVATE BY DESIGN No account. No tracking. No servers. Everything stays on your device unless you turn on optional iCloud sync. CIPHERKIT PRO CipherKit is free to download, and the core toolkit stays free. CipherKit Pro is a one-time $9.99 purchase, no subscription, and unlocks expert and Diablo packs, the Machine Room pack, modern crypto ciphers, visualizers, chain recipes, and vault backup. Visualizers and chain recipes include three free tries each. Paid for CipherKit before it went free? Pro is already yours. Great for cryptography students, puzzle lovers, escape room fans, teachers, security enthusiasts, and anyone who likes making their brain earn its keep. Download CipherKit and start cracking.
Screenshots
Verdict
The clearest difference is in-app purchases: CipherKit at none against Essay Writer's 6. CipherKit also leads on ads (none vs shown). Essay Writer's advantage is iOS requirement (13.0 vs 18.0). On price, update cadence and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Essay Writer sells 6 in-app purchases, starting at $4.99 per 7 days. CipherKit asks for nothing beyond the download.
Essay Writer ships an update every 4 months, CipherKit every 6 months. The most recent releases landed on September 29, 2026 and October 8, 2026 respectively.
| Parameter | Essay Writer | CipherKit |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months — better | Every 6 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 13.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 32 MB | 23 MB |
| Age rating | 17+ | +4 |
| Developer | Apps Labs | Zossoz |
In-app purchases
Essay Writer
- Essay Writer3 Days trial$4.997 Days
- AI Writing$7.997 Days
- AI Writing Assistant$9.991 Month
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- AI Text Generation$29.991 Month
- AI Text$39.991 Year
- Write For Me$79.991 Year
CipherKit
No in-app purchases
Questions
Is Essay Writer free?
Is CipherKit free?
Do Essay Writer or CipherKit have ads?
Which is updated more often, Essay Writer or CipherKit?
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