DeviceWallpaper vs Interview Prep Question Tool
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DeviceWallpaper
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When managing a terminal, will not hesitate which OS was the terminal and which model it was? With this application, it is possible to set the terminal information as wallpaper. By displaying the OS version and terminal name as wallpaper it is possible to easily know what version the terminal is! The information that can be currently displayed is as follows. Simple Wallpaper: * Major version of OS (such as 10) * Terminal model name (iPhone 6s, etc.) Normal Wallpaper: * OS full name (such as 10.3.2) * Terminal model name (iPhone 6s, etc.) * Name set for the terminal (Hoge's iPhone 6s, etc.) * Terminal model name (iPhone 5, 3 etc)
Interview Prep Question Tool
Prepare for job interviews with AI-powered practice sessions. Get personalized feedback on your answers to common behavioral and technical questions. Improve your interview skills and boost your confidence for your next job hunt.
- Curated interview questions
- AI-powered answer feedback
- Answer transcription
- Favorite question marking
- Random question shuffle
- Practice reminder notifications
- Cross-device syncing
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HOW IT WORKS 1. Tell us your role and experience level 2. Review a curated list of interview questions for you 3. Practice the questions you are least prepared for. 4. Get real-time feedback on your answers and how to improve. Echo is your interview companion who will take your results to the next level. The reality is the most polished candidates get the best job offers. The best candidates show up rehearsed and nail the behavioral interview. One mistake technical candidates make is disregarding the behavior interview sessions of their panels. Practice makes perfect - Echo will guide you through the most common interview questions for all levels and skillsets, with a focus on the behavioral interview format. Practice on our growing database of over 50 questions. Use Echo‘s AI assistant to record your answer, transcribe your answers to text, and receive feedback and a grade. Mark your favorite questions and use the shuffle mode to practice a random question from your list. Setup practice reminder notifications so you stay on top of your career search process. Everything syncs automatically across your devices with iCloud. Terms of use: https://puzzlepartyapps.com/termsofuse Privacy policy: https://puzzlepartyapps.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: DeviceWallpaper at none against Interview Prep Question Tool's 3. DeviceWallpaper also leads on update cadence (weekly vs monthly) and iOS requirement (8.0 vs 18.0). 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
Both are free to download. Interview Prep Question Tool sells 3 in-app purchases, starting at $3.99 per month. DeviceWallpaper asks for nothing beyond the download.
DeviceWallpaper ships an update weekly, Interview Prep Question Tool monthly. The most recent releases landed on October 29, 2026 and November 4, 2026 respectively.
| Parameter | DeviceWallpaper | Interview Prep Question Tool |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.9 (42 ratings) — better |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | — | 42 — better |
| Update frequency | Weekly — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Vision Pro |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 25 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Kensuke Hoshikawa | Puzzle Party, LLC |
In-app purchases
DeviceWallpaper
No in-app purchases
Interview Prep Question Tool
- Month3 Days trial$3.991 Month
- Week-by-Week3 Days trial$3.997 Days
- Discount3 Days trial$29.991 Year
Questions
Is DeviceWallpaper free?
Is Interview Prep Question Tool free?
Do DeviceWallpaper or Interview Prep Question Tool have ads?
Which is updated more often, DeviceWallpaper or Interview Prep Question Tool?
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