Level Devil vs WiFi QR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Level Devil
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The Official Tank Monitoring app from Electronic Sensors Inc. Monitor your tanks levels from anywhere on your phone.
WiFi QR
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Share WiFi without spelling passwords. WiFi QR turns your network name and password into a scannable QR code so guests can join in seconds. Use WiFi QR to: - Generate QR codes for WPA, WEP, and open networks - Save important networks for quick reuse - Show a large full-screen Guest Mode for visitors - Save QR images to Photos and share them anywhere - Print WiFi QR codes for desks, counters, rooms, and rentals - Pick premium QR themes for cleaner presentation Who it is for: - Homes and families - Apartments and Airbnb hosts - Offices and coworking spaces - Salons, cafes, and reception desks - Anyone tired of repeating WiFi passwords Premium is a one-time upgrade that unlocks: - Unlimited saved networks - Guest Mode without ads - Premium QR themes - Ad-free experience WiFi QR is built for fast, simple WiFi sharing with no complicated setup.
Screenshots
Verdict
The clearest difference is in-app purchases: Level Devil at none against WiFi QR's 1. Level Devil also leads on ads (none vs shown) and iOS requirement (8.0 vs 18.0). WiFi QR's advantage is update cadence (every 10 days vs every 4 months). On price 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. WiFi QR sells 1 one-off in-app purchase. Level Devil asks for nothing beyond the download.
Level Devil ships an update every 4 months, WiFi QR every 10 days. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.
| Parameter | Level Devil | WiFi QR |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 10 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 8.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 56 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | SensorTech, LLC | Cosmic Production d.o.o. |
In-app purchases
Level Devil
No in-app purchases
WiFi QR
- Premium$1.99
