Comparison

Code Zebra Symbols vs KeyFlow AI

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

Head to head
About

Code Zebra Symbols

Access a vast library of over 4,300 technical and graphic symbols for various design disciplines. Easily integrate these publication-quality vector and pixel assets into your projects across multiple drawing applications. Offline access ensures symbols are always available.

Highlights
  • Over 4,300 technical and graphic symbols
  • Vector and pixel formats
  • Offline local storage
  • Drag-and-drop integration
  • Multiple export formats (PNG, PDF, SVG, DWG)
  • Searchable symbol library
  • Isometric drawing capabilities
Features
Read full description

Code Zebra Symbols is the first complete technical and graphic symbols library for iOS––Over 4,300 symbols in multiple vector and pixel formats in easy-to-browse libraries professionally crafted for every discipline. Our publication-quality symbols are stored locally on your device––no data connection required.* Works with all of your favorite Apps that support vector, pixel, or CAD images––virtually every drawing App. Drag or paste symbols into Pages, Numbers, Keynote, Mail, iMessage and more. Create drawings for Architecture and AEC, schematics, structural, isometric assembly, technical manuals, exploded views, floor plans, landscaping, HVAC, plumbing and electrical. Great for bill of materials (BOM) and parts lists. For artistic compositions and graphic design, Code Zebra Symbols provides an enormous source of vector and pixel line art. Export formats include: - PNG - PDF - SVG - Illustrator-compatible SVG - DWG blocks for CAD (WBLOCK files) Drag-and-drop symbols in vector PDF or SVG format, or PNG pixel images with transparent backgrounds. Search for symbols by text description with instant results. Great as a pocket reference of ANSI and IEEE symbols for architects and engineers. DRAG-AND-DROP ISOMETRIC DRAWING Over 900 2D isometric symbols included for creating amazing illustrations and assembly diagrams with fasteners, mechanical and structural parts, wires and connectors. FASTENERS Depict any standard fastener in any view. - Cap, Set and Shoulder Screws - Machine Screws and Bolts - Nuts & Knobs - Self Threading Screws - Thread Builders to draw any length even in iso view - Washers & Miscellaneous ARCHITECTURAL All in proper relative scale (PDF/DWG), and to ANSI Y32.4-1977. - Doors, Windows and Building Construction - Furnishings - Cabinets - Appliances - Architectural Graphic Symbols - Small Appliances and Utensils - Accessories and Plumbing Fixtures PEOPLE & VEHICLES All at the identical relative scale of our Architectural and Roads and Parking symbols (PDF/DWG). - Accessibility - People - People from Above - Vehicles & Aircraft - Flow Charts - Network LANDSCAPING These professionally hand-rendered designs will help you express your concepts with style. - Landscape Elements - Roads and Parking - Sitework Symbols - Trees and Plants in Plan and Elevation BUILDING SERVICES - Switches, Receptacles and Outlets - Y32.9-1972 - Sensors, Alarms and Indicators - Lighting - Circuits and Panels - HVAC - ANSI Y32.2.4-1949 (R1998) - Pipe Fittings and Valves (in all six flange types) - Y32.2.3-1949 (R1999) ELECTRICAL Symbols conform to IEEE 315-1975 (R1993) and IEEE 91/91a-1991 (Logic Functions) standards. Numerous symbols conform with IEC 617 and IEC 117. - Fundamental Items - Analog Logic - Digital Logic - Circuit Protectors - Communications and Power Generation - Composite Assemblies - IC Components - Lamps, Acoustics and Readouts - Maintenance Diagrams - Motors and Machines - PLC & Static Switching - Qualifying Symbols - Semiconductors - Switches and Relays - Terminals and Connectors - Transformers and Inductors - Transmission Path - VHF UHF SHF - Audio and Video Connectors - BNC RJ USB Connectors - Views of Cable Bends - DIN and Centronics Connectors - D-sub Connectors - Power Connectors MECHANICAL - Bearings - Fluid Power - ANSI Y32.10-1967 (R1994) - one of the most complete libraries available anywhere. - Bevel Gears, Sprockets and Miscellaneous - Spur Gears - Geometric Dimensioning & Tolerancing - ANSI Y14.5M - Process Flow Diagrams - ANSI Y32.11-1961 (R1998) - Springs, Shafts & Hardware - Structural Shapes - Surface Texture Symbols - ANSI Y14.36-1978 (R1993) - Tubing and Hose Connectors - Weld and Welding Symbols - ANSI/AWS A2.4-79 *SVG and DWG categories require a one-time download when first needed, but persist on your device thereafter.

About

KeyFlow AI

Enhance your writing with an AI-powered keyboard. Instantly rewrite messages in different tones, fix grammar, translate languages, and dictate with accurate transcription. Save frequently used phrases and replay past actions seamlessly within any app.

Highlights
  • Rewrite messages with different tones
  • Instant spelling and grammar correction
  • Translate to over 50 languages
  • Whisper-powered dictation
  • Save and reuse text snippets
  • Replay recent actions
Features
Read full description

KeyFlow AI is the keyboard that writes with you. One tap rewrites your message in a better tone. Another fixes the grammar. A third translates it into any of 50+ languages. All of it happens right inside whatever app you're in, no switching, no copying, no interruptions. What KeyFlow AI can do: • Rewrite with a different tone — professional, casual, friendly, or formal • Fix spelling and grammar instantly • Translate to 50+ languages • Dictate with Whisper-powered transcription — remarkably accurate • Save snippets for phrases you type again and again • Replay recent actions without retyping Your key. Your data. KeyFlow AI connects directly to your OpenAI account. Your API key stays on your device — nothing is stored on our servers. A note on permissions: Allow Full Access is required for AI features. Microphone is only used when you start Dictation. Terms of Use (Apple Standard EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://lumozz.com/privacy

Screenshots

Code Zebra Symbols4 screens
KeyFlow AI4 screens

Verdict

The call

The clearest difference is price: KeyFlow AI at Free against Code Zebra Symbols's $8.99. KeyFlow AI also leads on update cadence (fortnightly vs every 25 months). Code Zebra Symbols's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On rating and ads 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

KeyFlow AI is free to download; Code Zebra Symbols costs $8.99 up front. KeyFlow AI sells 3 in-app purchases, starting at $4.99 per month. Code Zebra Symbols asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Code Zebra Symbols against 5.0 for KeyFlow AI. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

UpkeepUpdate frequency

Code Zebra Symbols ships an update every 25 months, KeyFlow AI fortnightly. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

Scorecard7 real differences · 3 level
Code Zebra Symbols versus KeyFlow AI: the parameters behind the verdict, then further details
ParameterCode Zebra SymbolsKeyFlow AI
Price$8.99Free — better
Rating5.0 (3 ratings)5.0 (1 ratings)
Positive reviews100.0% of reviews—
Number of ratings3 — better1
Update frequencyEvery 25 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS12.0 — better18.0
Further details — not scored
Size147 MB19 MB
Age rating4+4+
DeveloperCode Zebra, Inc.Lumozz

Customer experience

Code Zebra Symbols

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

KeyFlow AI

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Code Zebra Symbols

No in-app purchases

3 purchases

KeyFlow AI

Subscriptions2
  • KeyFlow Pro$4.991 Month
  • KeyFlow Pro$39.991 Year
One-time1
  • KeyFlow BYOK Lifetime$14.99

Questions

Is Code Zebra Symbols free?
Code Zebra Symbols costs $8.99, with no in-app purchases.
Is KeyFlow AI free?
KeyFlow AI is free to download, with in-app purchases available.
Which has better reviews, Code Zebra Symbols or KeyFlow AI?
Code Zebra Symbols and KeyFlow AI are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.
Do Code Zebra Symbols or KeyFlow AI have ads?
Neither Code Zebra Symbols nor KeyFlow AI shows ads.
Which is updated more often, Code Zebra Symbols or KeyFlow AI?
Code Zebra Symbols ships an update every 25 months, and KeyFlow AI fortnightly. Most recently, Code Zebra Symbols was updated on October 7, 2026 and KeyFlow AI on September 30, 2026.

Other comparisons