SDJ vs QByte
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SDJ
This smart sweeping robot offers integrated dust collection, sweeping, and mopping functions for smooth, flat surfaces. It operates quietly, providing efficient, hands-free cleaning with long battery life to create a comfortable living space.
- Intelligent electric universal driving
- Dust collection
- Sweeping
- Mopping
- Low noise operation
- Long endurance
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SDJ is a sweeper with the function of intelligent electric universal driving. It has the functions of dust collection, sweeping and mopping. It is suitable for the smooth and flat ground to work freely. It is clean in all directions, with low noise and no noise. It has long endurance, time-saving and labor-saving, and creates a comfortable space for you. 智能扫地机是一个智能电动万向行驶功能的扫地机,具有吸尘,扫地,拖地为一体的功能,适合光滑平整的地面自由工作,全方位吸尘清洁,低噪音清洁不吵耳,长久续航耐力持久,省时省力,为您缔造舒适空间。
QByte
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QByte is a fast, lightweight QR code scanner and generator for iPhone and iPad. SCAN INSTANTLY • Real-time camera scanning — automatic detection, no shutter button • QR codes: EAN, UPC, Data Matrix, Aztec, and more • Import and scan codes from your photo library • Flash/torch for low-light scanning • Front and rear camera support • Optional haptic and sound feedback INTELLIGENT RESULTS • Recognizes URLs, Wi‑Fi networks, contacts, phone numbers, email, SMS, and locations • Open links externally or in the in-app browser • Copy, share, or save results as text • Turn any scan into a new QR code instantly GENERATE QR CODES • Text and website URLs • Wi‑Fi credentials (network name + password) • Contact cards (vCard format) • Live preview while you type • Customize color, export size, and error correction level • Save generated codes to your Photos library SIMPLE BY DESIGN • Clean, modern interface with light and dark mode • Large touch targets for easy use • No account or registration required • Scan data stays on your device QByte is free and supported by advertising. Questions or feedback? Contact us at: llevelupdev@gmail.com PRIVACY & TERMS Privacy policy: https://github.com/nader1414518/QBytePrivacyPolicy/blob/master/privacy_policy.md Terms (Apple Standard EULA link used in-app): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: SDJ at 9.0 against QByte's 13.0. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | SDJ | QByte |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (6 ratings) — better | — |
| Positive reviews | 11.1% of reviews | — |
| Number of ratings | 6 — better | — |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 49 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | Tianlang innovation Technology (Shenzhen) Co.,Ltd. | Beshoy Nabil |
In-app purchases
SDJ
No in-app purchases
QByte
No in-app purchases









