Comparison

iSolveModel vs Repeatica

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

Head to head
About

iSolveModel

This app offers a powerful linear programming solver for iOS devices, utilizing the simplex algorithm and an integrated MIP solver for integer variables. It's designed for students and professionals in operations research and related fields, allowing easy model creation and sharing.

Highlights
  • Linear programming solver
  • Simplex algorithm
  • Integrated MIP solver
  • Sensitivity analysis
  • iTunes File Sharing
  • Email model/solution transfer
  • Text-based model documents
Features
Read full description

Looking for a mathematical model solver running on your iPad/iPhone/iPod Touch? This is iSolveModel, an easy-to-use linear programming optimizer running on iPad as well as on iPhone and using the simplex algorithm method with pivot as the main solver engine as well as an integrated MIP solver for 0-1 variables and integer numbers. The purpose of this application is to provide a linear programming solver for the iPad/iPhone/iPod Touch community as well as for students and teachers, particularly for those in Operations Research / Operations Management / Industrial Engineering or related courses (college/undergraduate students). Features: - Number of decision variables and constraints only limited by the available memory of the device - Sensitivity analysis reports on variable coefficients and right-hand side when solving pure linear models - Documents can be transferred via iTunes File Sharing - Mathematical models and solutions can be sent by email - Model documents are text files, no proprietary format - Solution documents as HTML - Supports all device orientations Benefits: - Affordable - Easy-to-use modeling, models are like the ones in textbooks - Fast learning curve

About

Repeatica

Features
Read full description

Capture anything you're learning — lectures, YouTube videos, textbooks, PDFs, articles — and AI transforms it into structured knowledge you actually retain. Raw input goes in, organized study material comes out, and spaced repetition makes sure it stays in your head. CAPTURE KNOWLEDGE YOUR WAY Record a lecture. Paste a YouTube link. Snap a textbook page. Upload a PDF. Clip an article. Just type. Repeatica handles it all: - Voice Notes: Record lectures, study sessions, or thoughts — up to 2 hours - YouTube Videos: Paste any educational video link for instant capture - PDF Documents: Upload textbooks, papers, or slides — up to 500 pages - Images: Snap photos of whiteboards, handouts, or textbook pages - Web Clips: Capture articles, ebooks, or any text from other apps - Text Notes: Write or paste content directly with full Markdown support AI TRANSFORMS IT Your raw captures become structured study material in seconds: - Auto-Transcription: Voice notes and YouTube videos converted to searchable text - Smart Summaries: Key concepts extracted and organized automatically - Instant Flashcards: Quiz-ready question-answer pairs from any content - AI Chat: Ask questions about your notes — a study companion that knows your content - Deep Research: Get comprehensive AI-powered reports that go deep into any topic - Translation: One-tap translate on any extracted content - Image Text Extraction: AI reads text from photos and makes it searchable - AI Images: Generate visual aids for flashcards to boost recall REMEMBER FOREVER Stop cramming. Repeatica uses a proven spaced repetition algorithm that shows you cards right before you'd forget them: - Science-Backed Intervals: Review at the optimal moment for long-term retention - Adaptive Scheduling: Cards adjust based on how well you know them - Daily Review Reminders: Short, focused sessions that build lasting memory - Due for Review: Quick access to notes with flashcards ready for review - Review Streaks: Track your daily activity and build consistency STAY ORGANIZED - Tags: Organize notes with #hashtags and browse by tag - Folders & Subfolders: Group notes by subject, class, or project - Favorites: Star notes you want to find fast - Archive: Tuck away notes you're done with without deleting them - Cover Images: Add gradient or photo covers to your notes - Note Icons: Set emoji icons for visual organization - Search: Find any note or flashcard instantly PERFECT FOR - University students turning lectures, videos, and textbooks into exam-ready study material - Graduate researchers retaining key concepts from papers and courses - Language learners building and drilling vocabulary - Professionals mastering new skills and remembering what they read - Lifelong learners who consume content and want to actually keep it EVERY FEATURE AT A GLANCE - Multi-Input Capture: Voice, image, YouTube, PDF, web clips, and text - AI Transcription: Accurate speech-to-text for recordings and videos - AI Summaries & Flashcards: Generated automatically from your content - AI Chat: Ask questions about any note - Deep Research: Comprehensive AI-powered topic reports - Spaced Repetition: Science-backed review scheduling - Review Streaks: Track daily progress and stay consistent - Translation: Translate extracted content in one tap - Tags, Folders & Subfolders: Flexible organization - Favorites & Archive: Quick access and decluttering Start capturing knowledge today. Terms of Service: https://www.repeatica.com/terms Privacy Policy: https://www.repeatica.com/privacy

Screenshots

iSolveModel4 screens
Repeatica4 screens

Verdict

The call

The clearest difference is price: Repeatica at Free against iSolveModel's $9.99. Repeatica also leads on update cadence (every 6 weeks vs every 4 months). iSolveModel's advantage is in-app purchases (none vs 4). On 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

Repeatica is free to download; iSolveModel costs $9.99 up front. Repeatica sells 4 in-app purchases, starting at $9.99 per month. iSolveModel asks for nothing beyond the download.

UpkeepUpdate frequency

iSolveModel ships an update every 4 months, Repeatica every 6 weeks. The most recent releases landed on October 1, 2026 and September 25, 2026 respectively.

Scorecard3 real differences · 7 level
iSolveModel versus Repeatica: the parameters behind the verdict, then further details
ParameteriSolveModelRepeatica
Price$9.99Free — better
Rating5.0 (2 ratings) — better—
Positive reviews71.4% of reviews—
Number of ratings2 — better—
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaid—
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.1 — better17.6
Further details — not scored
Size5 MB31 MB
Age rating4+4+
DeveloperMINDTechLaunchific LLC

In-app purchases

None

iSolveModel

No in-app purchases

4 purchases

Repeatica

Subscriptions4
  • Plus Monthly$9.991 Month
  • Pro Monthly$19.991 Month
  • Plus Annual1 Year trial$99.991 Year
Show 1 more
  • Pro Annual$199.991 Year

Questions

Is iSolveModel free?
iSolveModel costs $9.99, with no in-app purchases.
Is Repeatica free?
Repeatica is free to download, with in-app purchases available.
Do iSolveModel or Repeatica have ads?
Neither iSolveModel nor Repeatica shows ads.
Which is updated more often, iSolveModel or Repeatica?
iSolveModel ships an update every 4 months, and Repeatica every 6 weeks. Most recently, iSolveModel was updated on October 1, 2026 and Repeatica on September 25, 2026.

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