Compare Coolkiller Balloon84 vs Lofree Flow84 Differences Side by Side

This comparison is for buyers deciding between two popular 75% low-profile mechanical keyboards. The Coolkiller Balloon84 and Lofree Flow84 share a compact layout, hot-swappable switches, and multi-device wireless, making the choice difficult. The decision hinges on whether you prioritize long battery life and a dedicated 2.4G dongle or a more refined acoustic and tactile experience from a gasket-mounted design.

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Main differences	Released in 2024 Has built-in sound dampening Supports Bluetooth, 2.4 GHz, Wired, Wireless connectivity Equipped with a 3500 mAh battery Weighs about 870 g Sized at 33 x 144 x 329 mm Made with a Plastic, Aluminum case Features PC keycaps Offers Yes, White RGB lighting	Released in 2023 Uses a Gasket Mount mounting style Supports Bluetooth, Wired, Wireless connectivity Equipped with a 2000 mAh battery Weighs about 594 g Sized at 25 x 316 x 126 mm Made with a Aluminum case Features PBT keycaps Offers Yes, Rgb, White RGB lighting
Score	Scores Performance: 43.2 Build Quality: 47.7 Productivity: 75.5 Customizability: 60.9 Portability: 81.9	Scores Performance: 64.3 Build Quality: 66.9 Productivity: 65.5 Customizability: 69.2 Portability: 82.4
Name	Name Coolkiller Balloon84	Name Lofree Flow84
Release year	Release year 2024	Release year 2023
Switch Options	Switch Options Linear, Tactile	Switch Options Linear, Tactile
Profile	Profile Low Profile	Profile Low Profile
Hot Swappable	Hot Swappable	Hot Swappable
Layout Size	Layout Size 75%	Layout Size 75%
Layout Standard	Layout Standard ANSI	Layout Standard ANSI
Layout Ergonomics	Layout Ergonomics Normal	Layout Ergonomics Normal
Knob Support	Knob Support	Knob Support
Display Support	Display Support	Display Support
Mac/Win Support	Mac/Win Support	Mac/Win Support
Multi-Media Keys	Multi-Media Keys	Multi-Media Keys
USB-C	USB-C	USB-C
USB passthrough	USB passthrough	USB passthrough
Connection	Connection Bluetooth, 2.4 GHz, Wired, Wireless	Connection Bluetooth, Wired, Wireless
Polling Rate	Polling Rate -	Polling Rate -
Battery capacity	Battery capacity 3500 mAh	Battery capacity 2000 mAh
Hall Effect Support	Hall Effect Support	Hall Effect Support
QMK Support	QMK Support	QMK Support
VIA Support	VIA Support	VIA Support
VIAL Support	VIAL Support	VIAL Support
N-Key Rollover	N-Key Rollover	N-Key Rollover
Rapid Trigger	Rapid Trigger	Rapid Trigger
Mount Style	Mount Style -	Mount Style Gasket Mount
Screw in Stabilizers	Screw in Stabilizers	Screw in Stabilizers
Sound Dampening	Sound Dampening	Sound Dampening
Backlight	Backlight White	Backlight Rgb, White
Case Colors	Case Colors	Case Colors
Case Material	Case Material Plastic, Aluminum	Case Material Aluminum
Keycaps Material	Keycaps Material PC	Keycaps Material PBT
Dimensions	Dimensions 33 x 144 x 329 mm	Dimensions 25 x 316 x 126 mm
Weight	Weight 870g	Weight 594g

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Pros and Trade-offs

Your priority dictates the choice. If you need the most flexible wireless setup with a 2.4G dongle and the longest possible battery life, the Coolkiller Balloon84 is the clear pick. If you value a premium typing experience with a gasket mount, durable PBT keycaps, and a lighter, sleeker build, the Lofree Flow84 is the better investment, especially if you primarily use Bluetooth or wired connections.

Coolkiller Balloon84

+Substantially larger 3500mAh battery capacity.
+Offers triple connectivity: wired, Bluetooth, and 2.4 GHz wireless.
+Includes a 2.4G receiver and extra keycaps/switches in the box.
+Transparent low-profile switch design and PC keycaps for a unique aesthetic.
+Vendor description mentions multiple sound dampening layers including a silicone pad.

−Heavier at 870g, making it less portable.
−Uses PC keycaps which may show shine more quickly than PBT.
−Lacks the gasket mount design found in the Flow84.
−Only offers white backlighting, not RGB.

Lofree Flow84

+Gasket mount design with IXPE and Poron foam for a softer typing feel.
+Uses dye-sublimated PBT keycaps for better durability and texture.
+Lighter weight (594g) and slimmer profile for better portability.
+Features both white backlighting and RGB sidelighting.
+Full aluminum-alloy frame and base construction.

−Smaller 2000mAh battery.
−Lacks a 2.4 GHz wireless mode, connecting only via Bluetooth or wired USB-C.
−Vendor reviews mention some users found the return process difficult.
−Does not include a switch puller or extra switches in the box according to the listed contents.

Which Keyboard Is Better for Your Needs?

The Lofree Flow84 takes the lead for programming and modding due to its PBT keycaps and detailed gasket-mount construction. It's also the lighter option for travel. The Coolkiller Balloon84 is better suited for gaming and content creation, thanks to its 2.4G wireless option and substantially larger battery. For general office use, both keyboards are equally capable with their low-profile designs and multi-device Bluetooth.

GamingCoolkiller Balloon84

•Includes a 2.4 GHz wireless mode for a potential latency advantage over Bluetooth-only connectivity.
•Larger 3500mAh battery supports longer untethered gaming sessions.
•Vendor description mentions a 'tri-connect mode' for flexible wired and wireless use.

OfficeTie

•Both support Bluetooth for connecting to multiple devices, with the Lofree listing compatibility with Windows, macOS, Android, and iOS.
•Both are low-profile designs which can reduce typing fatigue.
•Both include multimedia keys for productivity shortcuts.

ProgrammingLofree Flow84

•Uses dye-sublimated PBT keycaps, which are more resistant to shine and wear over long typing sessions.
•Gasket mount design with IXPE and Poron foam may offer a more consistent and comfortable typing feel.
•Lower 4° typing angle may be preferable for some during extended use.

TravelLofree Flow84

•Significantly lighter at 594g compared to the Balloon84's 870g.
•Thinner profile with dimensions of 25 x 316 x 126 mm.
•Manufacturer claims up to 40 hours of battery life, which may be sufficient for travel despite the smaller capacity.

ModdingLofree Flow84

•Gasket mount construction is explicitly designed for a softer, cushioned typing feel and is a popular modding platform.
•Includes PBT keycaps as a stock upgrade over the Balloon84's PC keycaps.
•Vendor page details the use of specific foams (IXPE and Poron) for sound dampening.

Content CreationCoolkiller Balloon84

•Larger 3500mAh battery reduces the frequency of charges during long editing or streaming sessions.
•Includes a 2.4G receiver for a stable wireless connection to a primary workstation.
•Comes with 5 replacement Windows keycaps and 4 extra switches in the box for customization.