Comparison

Midi Suite vs OpenCards

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

Head to head
About

Midi Suite

This utility app allows you to wirelessly adjust device parameters using Bluetooth. It provides a convenient way to manage settings remotely. The application is free to download and use.

Highlights
  • Bluetooth connectivity
  • Device parameter adjustment
  • Wireless control
  • Free to use
Features
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Use Bluetooth to adjust the device parameters

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
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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

Midi Suite4 screens
OpenCards4 screens

Verdict

The call

The clearest difference is rating: OpenCards at 5.0 against Midi Suite's 3.1. OpenCards also leads on update cadence (fortnightly vs every 2 months). Midi Suite's advantage is in-app purchases (none vs 1) and ratings volume (7 vs 1). 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. OpenCards sells 1 in-app purchase, starting at $0.99 per month. Midi Suite asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

OpenCards holds the better App Store score, 5.0 against 3.1. That said, the two scores are not equally well evidenced: Midi Suite has 7 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Midi Suite ships an update every 2 months, OpenCards fortnightly. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

Scorecard6 real differences · 4 level
Midi Suite versus OpenCards: the parameters behind the verdict, then further details
ParameterMidi SuiteOpenCards
PriceFreeFree
Rating3.1 (7 ratings)5.0 (1 ratings) — better
Positive reviews0.0% of reviews—
Number of ratings7 — better1
Update frequencyEvery 2 monthsFortnightly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS15.6 — better18.6
Further details — not scored
Size28 MB2 MB
Age rating4+4+
DeveloperSinco Audio礼 付

Customer experience

Midi Suite

All ratings7 ratings
Positive42.9%
Neutral14.3%
Negative42.9%
Written reviews3 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

OpenCards

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

In-app purchases

None

Midi Suite

No in-app purchases

1 purchases

OpenCards

Subscriptions1
  • OpenCards Pro$0.991 Month

Questions

Is Midi Suite free?
Midi Suite is free to download, with no in-app purchases.
Is OpenCards free?
OpenCards is free to download, with in-app purchases available.
Which has better reviews, Midi Suite or OpenCards?
OpenCards is rated higher. Midi Suite averages 3.1 out of 5 from 7 ratings, while OpenCards averages 5.0 from 1 ratings.
Do Midi Suite or OpenCards have ads?
Neither Midi Suite nor OpenCards shows ads.
Which is updated more often, Midi Suite or OpenCards?
Midi Suite ships an update every 2 months, and OpenCards fortnightly. Most recently, Midi Suite was updated on October 4, 2026 and OpenCards on October 7, 2026.

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