Comparison

LiTeX vs SogaType

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

Head to head
About

LiTeX

Features
Read full description

LiTeX is a powerful yet intuitive LaTeX equation editor for iOS. Perfect for students, scientists, engineers, and educators who need to write, render, and share mathematical expressions on the go. Perfect For: Taking Notes - Capture complex equations in your digital notes with proper mathematical notation - Integrate LaTeX equations seamlessly into your note-taking workflow - Keep all your scientific notes beautifully formatted and professional Studying & Learning - Create study materials with properly formatted mathematical expressions - Build your personal equation library for quick reference - Study math, physics, chemistry, and advanced sciences with clarity Presentations & Slideshows - Generate high-quality equation images for Keynote, PowerPoint, or Google Slides - Export equations instantly and paste them into any presentation - Impress with professional-looking mathematical notation in every slide Research & Papers - Write equations for research papers and academic documents - Share equation images via email or collaboration apps - Maintain consistency in your mathematical notation across documents Homework & Assignments - Solve problem sets with properly formatted equations - Share your work with teachers and classmates - Document your mathematical thinking clearly Key Features: Live Equation Editor - Write LaTeX equations with real-time preview - Support for multiple math modes: align, display, inline, and text - Adjustable font sizing for optimal readability - Beautiful, fast rendering with KaTeX TeXBoard - Smart Command Library - Quick access to 50+ commonly used LaTeX commands and symbols - Pre-built templates for fractions, roots, operators, and calculus notation - Save and manage your custom commands for frequently used expressions - One-tap insertion for efficient editing Export & Share - Capture equation previews as high-quality images - Share directly to Messages, Mail, Notes, or Files - One-click copy to paste into presentations and documents Customization - Choose from custom accent colors to personalize your workspace - Dark and light mode support - Multi-language support (English, Traditional Chinese) - Fully localized interface Smart Assistance - Interactive tips to guide new users - Responsive keyboard integration - Context-aware preview generation

About

SogaType

Features
Read full description

SogaType is a keyboard that listens. Tap the mic, speak naturally, and your words appear in the text field as you talk. When you stop, AI polishes punctuation and obvious mis-hearings in place. Your original text is never deleted. • Live dictation in any app: Messages, Notes, LINE, WhatsApp, mail • Speak in Chinese, English, Japanese or Korean (on-device recognition) • One tap to translate what you said: English ⇄ Chinese, Japanese → English, Korean → English, and 30+ more languages • Type, too: Zhuyin / Cangjie for Chinese, 12-key flick or romaji for Japanese, 2-set for Korean • Custom vocabulary so names and brand terms come out right • Long-press Delete, then swipe up to clear the field Recognition runs on your iPhone. Text is sent to our server only for AI correction and translation. Membership (optional): unlimited AI correction and translation on every platform, as a monthly or yearly auto-renewable subscription. Payment is charged to your Apple account; it renews automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://voicetype.tvsoga.com/privacy

Screenshots

LiTeX4 screens
SogaType4 screens

Verdict

The call

The clearest difference is in-app purchases: LiTeX at none against SogaType's 4. SogaType's advantage is update cadence (every 3 days vs every 5 weeks) and iOS requirement (15.0 vs 26.2). On price, ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SogaType sells 4 in-app purchases, starting at $1.99 per month. LiTeX asks for nothing beyond the download.

UpkeepUpdate frequency

LiTeX ships an update every 5 weeks, SogaType every 3 days. The most recent releases landed on October 28, 2026 and October 31, 2026 respectively.

Scorecard3 real differences · 3 level
LiTeX versus SogaType: the parameters behind the verdict, then further details
ParameterLiTeXSogaType
PriceFreeFree
Update frequencyEvery 5 weeksEvery 3 days — better
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.215.0 — better
Further details — not scored
Size21 MB53 MB
Age rating4+4+
DeveloperCHENG WEI TUNG搜咖科技股份有限公司

In-app purchases

None

LiTeX

No in-app purchases

4 purchases

SogaType

Subscriptions4
  • SogaType Premium Monthly$1.991 Month
  • Premium + Remote Desktop (Monthly)$2.991 Month
  • SogaType Premium Yearly$19.991 Year
Show 1 more
  • Premium + Remote Desktop (Annual)$29.991 Year

Questions

Is LiTeX free?
LiTeX is free to download, with no in-app purchases.
Is SogaType free?
SogaType is free to download, with in-app purchases available.
Do LiTeX or SogaType have ads?
Neither LiTeX nor SogaType shows ads.
Which is updated more often, LiTeX or SogaType?
LiTeX ships an update every 5 weeks, and SogaType every 3 days. Most recently, LiTeX was updated on October 28, 2026 and SogaType on October 31, 2026.

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