Comparison

AltKey Codes vs Symbol Atlas

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

AltKey Codes

Features
Read full description

Never Search for Alt Codes Again! AltKey Codes is your offline companion for special characters and symbols. Access 800+ characters with their Alt key combinations instantly - no internet required! KEY FEATURES: 800+ Characters - Letters, symbols, math, Greek, emoticons & more 8 Categories - Organized for quick browsing Smart Search - Find by name, character, or Alt code Favorites & Recents - Save and track your most-used characters Dual Views - Switch between grid and list layouts One-Tap Copy - Copy characters or Alt codes to clipboard Completely Offline - Works anywhere, anytime PERFECT FOR: Writers needing accented letters (café, résumé, naïve) Students using math symbols (π, ∞, ±, ÷) Designers adding special characters Developers working with ASCII and Unicode Anyone typing in multiple languages PRIVACY FOCUSED: No internet connection required All data stays on your device No personal information collected No ads or tracking CATEGORIES INCLUDE: Basic & Accented Letters (À, É, Ñ, Ç) Mathematics & Symbols (±, ×, ÷, ≤, ≥) Currency (€, £, ¥, ¢) Quotes & Punctuation (" " « ») Drawing Characters Greek Letters (α, β, π, Ω) Emoticons & Symbols Full ASCII Reference From typing "café" to adding mathematical π symbols, AltKey Codes makes special characters effortless. Clean interface, instant search, and reliable offline access.

About

Symbol Atlas

Explore and type any Unicode symbol, emoji, or special character with this powerful iOS tool. Browse thousands of characters by category, search by name, or even draw a shape to find what you need. Includes a keyboard extension for easy access across all apps.

Highlights
  • Browse 71,475 Unicode characters
  • Search by name or category
  • Draw to find symbols
  • Keyboard extension for typing
  • Save and access favorites
  • Customizable themes
Features
Read full description

Discover every symbol, emoji, and special character you have ever needed — right at your fingertips. Symbol Atlas is the most powerful Unicode explorer and keyboard for iOS. Browse 71,475 characters across every writing system, symbol set, and emoji collection. Search by name, browse by category, or draw a shape to find the exact character you are looking for. BROWSE THE ENTIRE UNICODE UNIVERSE • Explore 71,475 characters organized by blocks and categories • From basic Latin to ancient scripts, mathematical symbols, and emoji • Tap any character to see its name, code point, and details • One-tap copy to clipboard — long-press for favorites SEARCH INSTANTLY • Type "arrow" to find every arrow ever encoded • Type "heart" for every heart symbol and emoji variant • Type "math" for operators, set theory, calculus symbols, and more • Results show Unicode name, block, and script at a glance SKETCH TO FIND • Draw a rough shape and let on-device matching find real Unicode characters • No network required — runs entirely on your device • Perfect for when you know what it looks like but not what it is called KEYBOARD EXTENSION • Add the Symbol Atlas keyboard and type any Unicode character from any app • Built-in character browser with category browsing • Quick-access favorites grid • Fast backspace and category switching YOUR FAVORITES, ALWAYS HANDY • Save characters you use often for instant recall • Recents keep track of everything you have copied • Favorites sync between the app and keyboard extension CUSTOM THEMES • Choose from beautiful color themes • Keyboard extension matches your selected theme automatically • Pro users unlock exclusive gradient themes Symbol Atlas is built for designers, developers, writers, linguists, mathematicians, and anyone who works with text. Stop googling "how to type degree symbol" — just open Symbol Atlas.

Screenshots

AltKey Codes4 screens
Symbol Atlas4 screens

Verdict

The call

The clearest difference is in-app purchases: AltKey Codes at none against Symbol Atlas's 1. On price, ads, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Symbol Atlas sells 1 one-off in-app purchase. AltKey Codes asks for nothing beyond the download.

Scorecard1 real difference · 7 level
AltKey Codes versus Symbol Atlas: the parameters behind the verdict, then further details
ParameterAltKey CodesSymbol Atlas
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.517.0 — better
Further details — not scored
Size7 MB739 MB
Age rating4+4+
DeveloperRam SteenhautAlexander Knigge

In-app purchases

None

AltKey Codes

No in-app purchases

1 purchases

Symbol Atlas

One-time1
  • Symbol Atlas Pro$4.99

Questions

Is AltKey Codes free?
AltKey Codes is free to download, with no in-app purchases.
Is Symbol Atlas free?
Symbol Atlas is free to download, with in-app purchases available.
Do AltKey Codes or Symbol Atlas have ads?
Neither AltKey Codes nor Symbol Atlas shows ads.

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