Comparison

MySQL QueryDB SSH Client vs QR & Barcode

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

Head to head
About

MySQL QueryDB SSH Client

This mobile client provides a fast and robust way to remotely query MySQL and MariaDB databases. It's optimized for unreliable network connections and handles large datasets efficiently. Features include SSH tunneling, parameterized queries, and iCloud synchronization.

Highlights
  • Remote MySQL/MariaDB querying
  • SSH tunneling and SSL support
  • Optimized for low-quality networks
  • Parameterized query support
  • iCloud synchronization
  • CSV export via iOS extensions
  • Siri Shortcuts integration
Features
Read full description

The fastest and most robust way to execute queries from your mobile device. QueryDB has spent over 15 years helping developers remotely query their MySQL databases on iOS. It's not just a desktop port: it handles flakey cellular network connections and delivering your data wherever you are! • Integrated UI support for parameterized queries • Support for SSH tunneling and MySQL native SSL • Optimized to run queries over low quality network connections. • Does not maintain persistent connections to your database • Automatically windows data requests to prevent data overload when querying large datasets. • Support for MPTCP for seamless network transitions between Wifi and cellular networks (SSH server and routers must also support) • Query oriented workflow. • Run queries with minimal steps. • Run the same queries across different environments (e.g. prod, staging, dev). • Support for Siri Shortcuts for both UI and scripting purposes • Unicode support. • Automatically sets to default database charset. • iCloud support • Easily synchronize servers and queries across all your devices. • CSV export through iOS extensions • Easily export data to Numbers, Files, and other sharing extensions that support CSV. Comprehensive MySQL version support: Versions 4,x, 5.x, 8.x, Amazon Aurora, Google SQL, MariaDB.

About

QR & Barcode

Easily scan, save, and organize QR codes with multiple scanning modes and smart filters. Export your scanned data in various formats for professional use. All your scanned information is stored locally for privacy.

Highlights
  • Multiple scan modes (quick, batch, photo import)
  • Smart organization with search and filters
  • Chronological history with timestamps
  • Powerful export options (CSV, JSON, PDF)
  • Intuitive and clean iOS interface
  • Privacy-focused with local data storage
  • Dark mode and iPad optimization
Features
Read full description

Tired of scanner apps loaded with unskippable video ads, weekly subscription traps, and slow one-by-one scanning? Meet QR & Barcode: Batch Scanner — the ultra-fast, professional scanner engineered for continuous batch scanning, inventory tracking, retail product lookups, and instant CSV/PDF spreadsheet exports. Whether you're managing warehouse inventory, organizing home storage boxes, cataloging eBay/Amazon products, or scanning shipping labels, scan dozens of codes continuously in seconds with zero interruptions. 100% on-device, completely private, and ZERO third-party ads. WHY USERS CHOOSE BATCH SCANNER • CONTINUOUS BATCH SCANNING Point and scan without stopping. Scan 10, 25, or 50+ codes in rapid succession with instant haptic confirmation and an active batch counter. • UNIVERSAL 1D & 2D CODE ENGINE (24+ FORMATS) Scans every standard format powered by Apple’s Vision engine: - Retail & Groceries: UPC-A, UPC-E, EAN-13, EAN-8 - Logistics & Shipping: Code 128, Code 39, Code 93, ITF-14 - 2D Matrix Codes: QR Code, Micro QR, Data Matrix, Aztec, PDF417 • 1-TAP PRODUCT & PRICE LOOKUP Scan any retail barcode and instantly check live pricing and product information on Google or Amazon with a single tap. • MULTI-CODE PHOTO PICKER IMPORT Import photos from your camera roll containing multiple codes. Our multi-pass Vision scanner automatically detects and imports every barcode and QR code in a single photo. • INSTANT SPREADSHEET & PDF EXPORTS Turn scans into structured data. Export your batch history to CSV (Excel & Google Sheets compatible), raw JSON, or clean formatted PDF reports with one tap. • PERSONAL NOTES & DUPLICATE TRACKING Add custom labels and notes to any scan (e.g. "Shelf 4B", "Office Router", "Order #1042"). Scanned the same item twice? Real-time count badges (2×, 3×) keep your counts accurate. • SHARP CODE GENERATION & FULL-SCREEN MODE View any saved barcode or QR code rendered razor-sharp on your screen. Tap Enlarge to boost screen brightness so registers or colleagues can scan directly from your iPhone. • AUTOMATIC ICLOUD SYNCHRONIZATION Your library syncs seamlessly across your iPhone, iPad, and Mac via Apple CloudKit. Your scan history is always backed up and available. • SMART CONTEXTUAL ACTIONS - WiFi Networks: Tap to copy network passwords or view connection security. - Contact Cards (vCard): Save directly to your iOS Contacts. - Coordinates: Navigate instantly with Apple Maps. - Web Links: Direct Safari launch with safety checks. • 100% PRIVATE & AD-FREE Your scans belong to you. All barcode decoding happens directly on your device. We never track your activity, collect personal data, or show intrusive advertisements. • PRO LIFETIME ACCESS — NO SUBSCRIPTIONS Say goodbye to $9.99/week subscriptions. Unlock unlimited continuous batch scanning, CloudKit sync, and pro export formats forever with a single, transparent lifetime purchase. Download QR & Barcode: Batch Scanner today and transform your iPhone into a high-speed inventory scanner!

Screenshots

MySQL QueryDB SSH Client4 screens
QR & Barcode4 screens

Verdict

The call

The clearest difference is price: QR & Barcode at Free against MySQL QueryDB SSH Client's $9.99. QR & Barcode also leads on rating (5.0 vs 4.5) and update cadence (every 9 days vs every 2 months). MySQL QueryDB SSH Client's advantage is in-app purchases (none vs 1) and ratings volume (15 vs 2). On 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

QR & Barcode is free to download; MySQL QueryDB SSH Client costs $9.99 up front. QR & Barcode sells 1 one-off in-app purchase. MySQL QueryDB SSH Client asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

QR & Barcode holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: MySQL QueryDB SSH Client has 15 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

MySQL QueryDB SSH Client ships an update every 2 months, QR & Barcode every 9 days. The most recent releases landed on August 15, 2026 and September 19, 2026 respectively.

Scorecard7 real differences · 3 level
MySQL QueryDB SSH Client versus QR & Barcode: the parameters behind the verdict, then further details
ParameterMySQL QueryDB SSH ClientQR & Barcode
Price$9.99Free — better
Rating4.5 (15 ratings)5.0 (2 ratings) — better
Positive reviews70.0% of reviews—
Number of ratings15 — better2
Update frequencyEvery 2 monthsEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFreemium — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size25 MB6 MB
Age rating4+12+
DeveloperExcelsis ConsultingHuy La

Customer experience

MySQL QueryDB SSH Client

All ratings15 ratings
Positive86.7%
Neutral0.0%
Negative13.3%
Written reviews20 reviews
Positive70.0%
Neutral15.0%
Negative15.0%

QR & Barcode

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

MySQL QueryDB SSH Client

No in-app purchases

1 purchases

QR & Barcode

One-time1
  • Unlock Full Scans$2.99

Questions

Is MySQL QueryDB SSH Client free?
MySQL QueryDB SSH Client costs $9.99, with no in-app purchases.
Is QR & Barcode free?
QR & Barcode is free to download, with in-app purchases available.
Which has better reviews, MySQL QueryDB SSH Client or QR & Barcode?
QR & Barcode is rated higher. MySQL QueryDB SSH Client averages 4.5 out of 5 from 15 ratings, while QR & Barcode averages 5.0 from 2 ratings.
Do MySQL QueryDB SSH Client or QR & Barcode have ads?
Neither MySQL QueryDB SSH Client nor QR & Barcode shows ads.
Which is updated more often, MySQL QueryDB SSH Client or QR & Barcode?
MySQL QueryDB SSH Client ships an update every 2 months, and QR & Barcode every 9 days. Most recently, MySQL QueryDB SSH Client was updated on August 15, 2026 and QR & Barcode on September 19, 2026.

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