Comparison

Dictionary 2.0 vs OpenCards

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

Head to head
About

Dictionary 2.0

Features
Read full description

Dictionary 2.0 reimagines how you look up words. Instead of scrolling through a long list of definitions, just point your camera at any text, tap the word you don't know, and get the single correct meaning based on how it's actually used in context. Key features: - Context-aware definitions — one precise meaning, not a list of guesses - Camera scan — point, tap, and learn instantly - Text search — type any word or phrase to look it up - Pronunciations — listen to US and UK audio - Translations — see meanings in your native language - History — revisit every word you've looked up - Tags — organize saved words into custom lists - 12 languages supported Powered by AI, Dictionary 2.0 reads the surrounding sentence to understand exactly how a word is being used — just like asking a fluent speaker, "What does this mean here?" Perfect for language learners, readers, travelers, and anyone tired of guessing which definition is the right one. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

OpenCards

Transform your Markdown notes into interactive knowledge cards. Organize, review, and access your information seamlessly across devices. Supports rich formatting, including math equations and code.

Highlights
  • Markdown cards with math and code highlighting
  • Organize cards into sections
  • Tags and likes with filtering
  • Full-screen swipe navigation
  • Global search
  • iCloud sync
  • GitHub Markdown import
Features
Read full description

OpenCards — Organize Your Knowledge Turn your Markdown notes into beautiful, browsable knowledge cards. OpenCards helps you organize, review, and carry your knowledge everywhere. Organize Your Way Create sections to group your cards by topic — class notes, research papers, vocabulary, or anything you need. Browse cards in a smooth horizontal carousel or search across your entire collection instantly. Rich Markdown Rendering OpenCards renders full Markdown with support for math equations (KaTeX), syntax-highlighted code blocks, tables, and more. Your content looks great in both light and dark mode. Tag, Like & Filter Mark your favorite cards with a like. Add tags to categorize and find cards quickly. Filter any section by likes or tags to focus on what matters. Full-Screen Reading Tap any card to enter an immersive full-screen view. Swipe through cards one by one — perfect for studying and review. iCloud Sync Your cards sync automatically across all your devices via iCloud. Start on your iPhone, continue on your iPad. Import from GitHub Paste a GitHub folder URL to bulk-import Markdown files directly into any section. Great for pulling in shared notes, study materials, or documentation. Key Features - Markdown cards with math (KaTeX) and code highlighting - Organize cards into sections - Tags and likes with per-section filtering - Full-screen card feed with swipe navigation - Global search across all cards - iCloud sync across devices - GitHub Markdown import Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Dictionary 2.04 screens
OpenCards4 screens

Verdict

The call

The clearest difference is ads: OpenCards at none against Dictionary 2.0's shown. Dictionary 2.0's advantage is update cadence (daily vs fortnightly) and iOS requirement (15.0 vs 18.6). On price, in-app purchases 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. Dictionary 2.0 sells 2 in-app purchases, starting at $0.99 per month and OpenCards sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Dictionary 2.0 ships an update daily, OpenCards fortnightly. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.

Scorecard3 real differences · 6 level
Dictionary 2.0 versus OpenCards: the parameters behind the verdict, then further details
ParameterDictionary 2.0OpenCards
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyDaily — betterFortnightly
AdsYesNo — better
In-app purchasesYesYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPad, Mac — better
Requires iOS15.0 — better18.6
Further details — not scored
Size23 MB2 MB
Age rating4+4+
DeveloperSung Wook Kim礼 付

In-app purchases

2 purchases

Dictionary 2.0

Subscriptions1
  • Premium$0.991 Month
One-time1
  • Search 100-Pack$0.99
1 purchases

OpenCards

Subscriptions1
  • OpenCards Pro$0.991 Month

Questions

Is Dictionary 2.0 free?
Dictionary 2.0 is free to download, with in-app purchases available.
Is OpenCards free?
OpenCards is free to download, with in-app purchases available.
Do Dictionary 2.0 or OpenCards have ads?
Dictionary 2.0 shows ads; OpenCards does not.
Which is updated more often, Dictionary 2.0 or OpenCards?
Dictionary 2.0 ships an update daily, and OpenCards fortnightly. Most recently, Dictionary 2.0 was updated on October 5, 2026 and OpenCards on October 7, 2026.

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