Holy Stone HS210 Green
Score: 72/100
Deerc D20 Silver
Score: 68/100Rankings
The Holy Stone HS210 is an ultra-lightweight indoor trainer drone that offers quick, responsive control and three batteries for extended play. Its limitations include short per-battery flight time, loud buzzing noise and a modest 50 m range with no camera. It is best for absolute beginners and budget-conscious users focused on learning basic flight skills.
The DEERC D20 is a lightweight, beginner-friendly mini drone featuring a 720p FPV camera and robust propeller guards. Its short 10-minute per-battery flight time, limited 40 m range, and wind sensitivity restrict outdoor performance. Ideal for kids and new pilots seeking an affordable, easy-to-fly indoor drone.
| Attribute | | |
|---|---|---|
250 mAhbest | 138 mAh | |
9 minutes | 10 minutesbest | |
| ↓ lower better | 38 gbest | 69 g |
18 km/hbest | — | |
50 mbest | 40 m | |
| ↓ lower better | 50 minutesbest | 80 minutes |
— | 0.9 MPbest | |
120 mbest | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Flight Performance(1) | ||
Control Range (m) | 50 m | 40 m |
Battery & Power(4) | ||
Battery Capacity (mAh) | 250 mAh | 138 mAh |
Flight Time (minutes) | 9 minutes | 10 minutes |
Charging Time (minutes) | 50 minutes | 80 minutes |
Battery Type | Lithium-ion Polymer | Lithium Polymer |
Build & Design(2) | ||
Weight (g) | 38 g | 69 g |
Dimensions (L×W×H) (cm) | 3.0 x 8.0 x 8.0 cm cm | 130×90×170 cm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers consider the HS210 a solid entry-level trainer, praising its feather-light build, instant control response, and affordability, while noting that its lack of camera, short battery life, and limited range keep it firmly in the indoor-training niche.
Everyday users consistently highlight the drone's quick, lag-free handling and portability, but they are frustrated by the brief flight times, long charging cycles, loud noise, and difficulty keeping the tiny aircraft in sight, especially outdoors.
Professional reviewers describe the DEERC D20 as a fun, easy-to-fly mini drone that excels in sturdiness and value, highlighting its crash-resistant props, intuitive auto-takeoff/land, altitude hold, 720p FPV streaming, and the inclusion of two batteries for extended play, while noting the lack of onboard storage and modest range as minor drawbacks.
Everyday users love the D20 for its beginner-friendly operation, stable altitude hold, entertaining flips and lights, and the value of two batteries and a carrying case, but they commonly criticize the short flight time, wind sensitivity, occasional app connectivity issues, limited range, and the camera's performance in low light.
“great for kids, easy to fly”
“high-quality footage and safe for beginners”
