SDJ vs Lydsto
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。
Lydsto
Control your Lydsto robot cleaner remotely. Monitor cleaning progress in real-time and customize cleaning schedules and areas for a consistently clean home.
- Remote functional control
- Real-time cleaning dynamics
- Automatic environmental detection
- Dynamic route planning
- Customized area planning
- Personalized cleaning modes
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Lydsto App is a mobile phone application that connects to the Lydsto robot cleaner. Through the App, you can complete the functional control of the sweeping robot, and you can also obtain the cleaning dynamic information of the sweeping robot in real time. You can enjoy a warm and clean home environment while lying down. Connect to Lydsto App and unlock your new smart life experience with one click! Linkage control, easy to use It can quickly grasp the addition and operation of equipment to realize the interconnection and intercommunication between smart devices; it can issue instructions on the palm to allow the sweeping robot to automatically detect the surrounding environment and dynamically plan the cleaning route. Personalized customization, as you like According to your own practical habits, you can implement customized area planning and cleaning programs, and support the personalized customization of multiple cleaning modes.
Screenshots
Verdict
The clearest difference is rating: SDJ at 3.4 against Lydsto's 2.0. SDJ also leads on iOS requirement (9.0 vs 13.0). Lydsto's advantage is ratings volume (47 vs 5). On price, review sentiment, update cadence and ads 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.
SDJ holds the better App Store score, 3.4 against 2.0. That said, the two scores are not equally well evidenced: Lydsto has 47 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 11% and 11% positive.
SDJ ships an update fortnightly, Lydsto every 3 weeks. The most recent releases landed on September 6, 2026 and September 23, 2026 respectively.
| Parameter | SDJ | Lydsto |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (5 ratings) — better | 2.0 (47 ratings) |
| Positive reviews | 11.1% of reviews — better | 10.8% of reviews |
| Number of ratings | 5 | 47 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 49 MB | 182 MB |
| Age rating | 4+ | 4+ |
| Developer | Tianlang innovation Technology (Shenzhen) Co.,Ltd. | Wuhan Smartda Electronic Technology Co Ltd. |
Customer experience
SDJ
Lydsto
In-app purchases
SDJ
No in-app purchases
Lydsto
No in-app purchases
