I am fairly happy with my newest UAS/Drones the Riviera Raptor and Propel Zipp Nano.

Riviera RIV-A12 Raptor FPV Drone Propel Zipp Nano Estes Proto-Z MOTA JetJat Nano Syma X12S Nano
Released 2016-10-?? 2016-09-?? 2016-??-?? 2015-??-?? 2015-??-??
Model Number RIV-A12 PL-1502R
Purchased 2016-11-09 4th 3rd 2nd 1st
Size 220 mm ~100 mm 100 mm 31 mm 109 mm
Dimensions (W×L×H) 315×315×66 mm 140×140×32 mm ? 22×22×20 mm 77×77×27 mm
Weight 113 g 32 g 17 g / 14 g sans battery 11 g / 8 g on scale 14 g
Rotors quad quad quad quad quad
Motors brushed brushed brushed brushed brushed
Gyro 6-Axis 6-Axis 6-Axis? multi-axis (6-Axis?) 6-Axis
Blade Protector outer edge (removable?) cage (removable) none none outer edge (fixed)
Price $229.99 $26.99 (Costco) $19.99 $24.43 $24.99
FPV Camera 2 MP N/A N/A N/A N/A
FPV Radio Frequency 5.8 GHz N/A N/A N/A N/A
FPV Photo Format 1280×720 JPEG N/A N/A N/A N/A
FPV Video Format 720p MJPEG AVI w/ mono audio N/A N/A N/A N/A
FPV Video Storage microSD (4 GB included) N/A N/A N/A N/A
FPV Viewing Device Type 5″ LCD Monitor N/A N/A N/A N/A
FPV Viewing Device Battery internal LiPo? N/A N/A N/A N/A
FPV Viewing Device Charger micro USB N/A N/A N/A N/A
Transmitter Style Hobby Gamepad Gamepad Gamepad Gamepad (Xboxish)
Transmitter Frequency 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz 2.4 GHz
Transmitter Range 60 m 60 m ? 25 m 30 m
Transmitter Channels 4 3 / 4 4 4 4
Transmitter Batteries 4 × 1.5 V AA 2 × 1.5 V AAA (included) 2 × 1.5 V AAA 2 × 1.5 V AAA 4 × 1.5 V AA
Transmitter Closure Phillips Phillips Phillips Click + Phillips Phillips
Headless Mode
360° Eversion one-button one-button one-button (left and right) one-button one-button
LED Lights
Rates / Modes 3 + Headless 5 1 + Headless 2 + Headless 2?
UAV Battery 1 × 650 mAh 1S LiPo HGB80 2540H walkera plug 1 × SHIDA 300 mAh 1S LiPo 1 × 110 mAh 1S LiPo 1 × 100 mAh(?) 1S LiPo 1 × 100 mAh 1S LiPo
Flight Time 10 - 12 min 8 min 5 – 7 min 6 – 8 min 4 – 6 min
Charge 90 min < 60 min 15 min 20 min 40 min
Charger USB USB USB USB USB
Spare Rotors 4 8 4 4 4
Arm drone, controller drone, controller controller, drone any order controller, drone
Change Rates / Modes Press speed button Hold both flip buttons Press left joystick Press left shoulder button.
Hold for headless mode.
Trigger Flip Press right joystick,
move direction to flip
Press the left or right flip button Press right joystick,
move direction to flip
Press right shoulder button.
Move right joystick.
Riviera RIV-A12 Raptor FPV Drone
Audio Bitrate: 512 Kbps
AUdio Channels: 1 (mono)
Audio Codec: PCM_S16LE
Audio Sample Format: S16
Audio Sample Rate: 32 KHz
Video Bitrate: 25.32 Mbps
Video Codec: MJPEG

 

Propel Zipp Nano Battery
3.7V 300mAh SHIDA
SDL-802030 6G01
MH46655 1.11Wh

Glossary

Drone
Autonomous vehicle. Does not require continuous human assistance.
UAS
Unmanned Aerial System. Meaning that there is a remote pilot. Not that the vehicle is autonomous.
UAV
Unmanned Aerial Vehicle. Meaning that there is a remote pilot. Not that the vehicle is autonomous.