Comparison

OCR Server vs Cardbal

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

Head to head
About

OCR Server

Features
Read full description

β—‡ OCR Server - Image Text Recognition Service Transform your iPhone into a powerful OCR text recognition server! β—Ž App Description OCR Server is an innovative iOS app that uses Apple's Vision Framework to transform your iPhone into a high-performance text recognition server. Whether for personal use or team collaboration, it enables effortless image text extraction. β—Ž Key Features * High-Precision Text Recognition - Powered by Apple's Vision Framework - Supports automatic detection of multiple languages - Intelligent language correction for better accuracy * Convenient Web Interface - Clean and intuitive web interface - Supports image upload - Fast OCR results display * Professional API Service - Offers a Web API for seamless integration - Supports JSON response format - Fully compatible with various client applications β—Ž Use Cases - Development Testing - Provide OCR API testing environment for app development - Team Collaboration - Share OCR services within local networks - Offline Processing - Local OCR solution without cloud service dependencies - Batch Processing - Build OCR processing clusters with multiple devices β—Ž Technical Advantages - Apple Native Technology – Fully utilizes the iPhone’s machine learning capabilities - Privacy & Security - All processing completed locally, protecting user privacy - Cross-Platform Compatible - Standard HTTP interface supports access from various operating systems β—Ž How to Use 1. Launch the app and the server will start automatically 2. Access the displayed IP address from any device on the same network 3. Upload images to get text recognition results 4. Integrate the service into your applications via API Unlock greater value from your iPhone and enjoy professional-grade OCR services with ease!

About

Cardbal

Read full description

Check your transit card balance on iPhone with NFC. CardBal reads supported transit and stored-value cards, showing balance, card details, and trip data where available. Supported cards include: Japan (FeliCa): Suica, PASMO, ICOCA, SUGOCA, nimoca, Kitaca, manaca, TOICA, Hayakaken, SAPICA, IruCa, and more. Japan (SV / e-money): nanaco, Rakuten Edy, WAON. Greater China (T-Union): 300+ city cards, including Beijing, Shanghai, Guangzhou, Shenzhen, and more. Hong Kong: Octopus. South Korea (KSX6924): T-money, EZL, Cashbee. France (Calypso): Lignes d'Azur. Ideal for travel, commuting, and checking card balance before you tap.

Screenshots

OCR Server2 screens
Cardbal4 screens

Verdict

The call

The clearest difference is in-app purchases: Cardbal at none against OCR Server's 1. Cardbal also leads on iOS requirement (16.0 vs 18.4). OCR Server's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. OCR Server sells 1 one-off in-app purchase. Cardbal asks for nothing beyond the download.

UpkeepUpdate frequency

OCR Server ships an update every 4 days, Cardbal every 2 weeks. The most recent releases landed on September 8, 2026 and September 26, 2026 respectively.

Scorecard3 real differences Β· 3 level
OCR Server versus Cardbal: the parameters behind the verdict, then further details
ParameterOCR ServerCardbal
PriceFreeFree
Update frequencyEvery 4 days β€” betterEvery 2 weeks
AdsNoNo
In-app purchasesYesNo β€” better
DevicesiPhoneiPhone
Requires iOS18.416.0 β€” better
Further details β€” not scored
Size19 MB50 MB
Age rating4+4+
DeveloperWei-Cheng LingKitta Co.

In-app purchases

1 purchases

OCR Server

One-time1
  • Buy me a coffee$4.99
None

Cardbal

No in-app purchases

Questions

Is OCR Server free?
OCR Server is free to download, with in-app purchases available.
Is Cardbal free?
Cardbal is free to download, with no in-app purchases.
Do OCR Server or Cardbal have ads?
Neither OCR Server nor Cardbal shows ads.
Which is updated more often, OCR Server or Cardbal?
OCR Server ships an update every 4 days, and Cardbal every 2 weeks. Most recently, OCR Server was updated on September 8, 2026 and Cardbal on September 26, 2026.

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