SmartPLL vs BackWalls
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Bluetooth programming
- USB connectivity
- Frequency adjustment
- Sweep mode control
- Step time and size configuration
- Power output adjustment
- LED status indicators
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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.
BackWalls
Discover a vast collection of wallpapers organized into categories. Save your favorites with bookmarks and preview them before applying. Upload your own creations to the cloud.
- Material UI design
- Categorized wallpaper library
- Bookmark favorite wallpapers
- Cloud upload functionality
- Wallpaper preview mode
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Features- - Material UI - Categories - Bookmarks - Cloud Uploads - Wallpaper Preview Developed by Techbajao Programmer- Hrishi Suthar Made with love in India
Screenshots
Verdict
The clearest difference is rating: SmartPLL at 5.0 against BackWalls's 4.0. BackWalls's advantage is iOS requirement (11.0 vs 13.1). On price, ratings volume, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
SmartPLL holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
| Parameter | SmartPLL | BackWalls |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.0 (1 ratings) |
| Number of ratings | 1 | 1 |
| Update frequency | Every 11 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.1 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Z-Communications | Hrishi Suthar |
Customer experience
SmartPLL
BackWalls
In-app purchases
SmartPLL
No in-app purchases
BackWalls
No in-app purchases
