Comparison

SmartPLL vs Image Converter

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

Head to head
About

SmartPLL

This application allows users to program and control Z-COMM SSG series Smart Phase Locked Loop (PLL) modules. Adjust frequency, sweep mode, step time, and power output via Bluetooth or USB. Features LED status indicators and a rugged design for field or benchtop use.

Highlights
  • Bluetooth programming
  • USB connectivity
  • Frequency adjustment
  • Sweep mode control
  • Step time and size configuration
  • Power output adjustment
  • LED status indicators
Features
Read full description

The Z-COMM SSG series of Smart Phase Locked Loop (PLL) modules provide high performance in a compact package suitable for any number of applications. Fully programmable through a unique Bluetooth interface, or USB cable, the user may adjust functions such as frequency, sweep mode, step time, step size, and power output, among others. LED indicators provide a visual cue of the status of the various functions. Its rugged enclosure lends itself to in-field use as well as bench top testing. The highly reliable output signal, excellent phase noise, and flexibility of an internal reference or input for an external reference, provides RF engineers with an adaptable RF tool.

About

Image Converter

Features
Read full description

FormatFlow – Batch Image Converter, Compressor & Photo Toolkit FormatFlow is your essential iOS app for fast, simple, and private photo editing. Effortlessly convert, compress, resize, and manage your photos in batches — all from your iPhone or iPad, with full photo library integration. Designed for speed, privacy, and ease of use, FormatFlow gives you everything you need to edit smarter, faster, and with complete control. Key Features # Batch Image Processing (Need Premium Subscription) • Batch convert, compress, and upscale multiple images at once. Save time with efficient batch workflows, progress tracking, and error recovery. • Merge multiple images into a single, high-quality PDF. # Smart Format Conversion • Convert photos between JPEG, PNG, HEIC, HEIF, and PDF • Preserve image quality and important photo details • Keep all your photo metadata intact • Perfect for sharing, storage, and cross-platform compatibility # Premium Image Enhancement • Enlarge images using AI CoreML- powered upscaling . • Upscale photos to stunning 4K and 8K quality • Perfect for printing, professional presentations, and digital displays • Real-time preview of enhanced photos • Ideal for restoring old photos or improving low-resolution images # Intelligent Photo Compression • Reduce file size by up to 90% while keeping photos crystal clear • Smart compression automatically balances quality and size • Perfect for email attachments, messaging, and cloud storage • Free up space on your iPhone without losing photo quality # Image Resizing • Resize photos to any dimension with perfect clarity • Ready-made presets for Instagram, Facebook, Twitter, and LinkedIn • Custom sizes for websites, printing, and professional use • Maintain aspect ratios automatically • Create perfect thumbnails and profile pictures # Photo Library Integration • Seamlessly access and manage your photos. Save processed images directly into your albums. # Privacy First • All image processing is done locally on your device for maximum privacy. An internet connection is required only for app logging and future ad services. • 100% offline processing - your photos never leave your device • No cloud uploads, no data collection • Complete control over your photos # Beautiful & Easy to Use • Clean, modern interface designed for iOS • Quick actions for common tasks • Real-time previews of all changes • Multi Themes support • Premium themes available # Subscription Support • Subscribe for unlimited photo edits and exclusive access to powerful batch processing, image upscaling, format conversion, and theme options — with no ads. # Why Choose FormatFlow? • Batch convert, resize, and compress images effortlessly • Supports JPEG, PNG, HEIC, HEIF, PDF, and more • Fast offline photo processing for speed and privacy • Unlimited photo editing and batch features with Premium • No data collection, no unnecessary tracking • Simple to use, modern design, built for iPhone and iPad # Perfect for: • Social media creators and influencers • Photographers and content creators • Business professionals • Anyone who wants to organize and optimize their photo collection • Web developers and designers • Digital artists and hobbyists Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://formatflow.digitalrockhub.com/privacy.html

Screenshots

SmartPLL3 screens
Image Converter4 screens

Verdict

The call

The clearest difference is in-app purchases: SmartPLL at none against Image Converter's 4. SmartPLL also leads on iOS requirement (13.1 vs 17.6). Image Converter's advantage is update cadence (every 2 months vs every 11 months). 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. Image Converter sells 4 in-app purchases, starting at $1.99 per 7 days. SmartPLL asks for nothing beyond the download.

UpkeepUpdate frequency

SmartPLL ships an update every 11 months, Image Converter every 2 months. The most recent releases landed on October 5, 2026 and September 30, 2026 respectively.

Scorecard3 real differences · 6 level
SmartPLL versus Image Converter: the parameters behind the verdict, then further details
ParameterSmartPLLImage Converter
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 11 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS13.1 — better17.6
Further details — not scored
Size1 MB9 MB
Age rating4+4+
DeveloperZ-CommunicationsMahmoud Suliman

Customer experience

SmartPLL

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

Image Converter

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

SmartPLL

No in-app purchases

4 purchases

Image Converter

Subscriptions3
  • Weekly Plan3 Days trial$1.997 Days
  • Format Flow Monthly Plan3 Days trial$4.991 Month
  • Annual Plan$9.991 Year
One-time1
  • Lifetime Access$19.99

Questions

Is SmartPLL free?
SmartPLL is free to download, with no in-app purchases.
Is Image Converter free?
Image Converter is free to download, with in-app purchases available.
Do SmartPLL or Image Converter have ads?
Neither SmartPLL nor Image Converter shows ads.
Which is updated more often, SmartPLL or Image Converter?
SmartPLL ships an update every 11 months, and Image Converter every 2 months. Most recently, SmartPLL was updated on October 5, 2026 and Image Converter on September 30, 2026.

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