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Head to head · Prices checked Oct 21, 2026

Coolkiller CK98 vs WOBKEY Rainy75

Get the Coolkiller CK98 for the 3,750 mAh battery.

What actually differs

The differences that matter

Skip the 40-row spec sheet. These are the specs that change how each board feels, sounds, and fits your desk.

Coolkiller CK98

WOBKEY Rainy75

  • Layout size

    98%

    75%

  • Battery

    3,750 mAh

    3,500 mAh

  • Case material

    Aluminum, Plastic

    Aluminum

  • Switch options

    Linear, Silent, Tactile

    Linear

  • Mount style

    Gasket Mount

    Gasket Mount, PCB Mount, Plate Mount

KeebFinder scores

How we score
  • Coolkiller CK98
  • WOBKEY Rainy75
Performance
65
70
Build quality
65
90
Productivity
87
94
Customizability
73
94
Portability
56
81

What they share

  • Connection: Bluetooth, 2.4 GHz, Wired
  • Hot-swappable
  • Sound dampening
See every spec side by side

From real owners

What owners say

Ratings and quotes collected from verified store reviews, including the critical ones.

Coolkiller CK98

No owner reviews collected yet.

WOBKEY Rainy75

5.0

22 owner reviews

Praise
“Amazing build quality and sound. The Keyboard is visually and audibly very appealing. The correct QWERTZ DE layout made the decision to get this keyboard quite easy.”
AnonymousVerified buyer· via MonacoKeys

Full specs

Coolkiller CK98 vs WOBKEY Rainy75 specs

Every tracked spec, side by side. Rows marked with a dot differ between the boards.

14 of 23 specs differ

Coolkiller CK98

WOBKEY Rainy75

Typing & switches

Switch options

Linear, Silent, Tactile
Linear

Hot-swappable

Yes
Yes

Mount style

Gasket Mount
Gasket Mount, PCB Mount, Plate Mount

Sound dampening

Yes
Yes

Screw-in stabilizers

Yes
Yes

Layout

Layout size

98%
75%

Layout standard

ANSI
ANSI, ISO, ISO-DE

Ergonomics

Standard
Standard

Display

TFT
None

Connectivity & battery

Connection

Bluetooth, 2.4 GHz, Wired
Bluetooth, 2.4 GHz, Wired

Battery

3,750 mAhBetter
3,500 mAh

USB-C

Yes
Yes

Build & materials

Case material

Aluminum, Plastic
Aluminum

Plate material

—
FR4, Plastic, Polycarbonate

Keycaps

ABS, PBT, PC
PBT

Weight

1,300 g
1,800 g

Dimensions

45 x 390 x 144 mm
40 x 320 x 130 mm

Backlight

RGB, south-facing
RGB, south-facing

Firmware & software

QMK

No
Yes

VIA

No
Yes

N-key rollover

Yes
No

Mac & Windows

Yes
Yes

Extras

Released

2022
2024

Where to buy

Compare prices

Live prices from the stores we track, cheapest in-stock offer first.

Lowest price across stores, Amazon excluded.

  • MechkeysCN

    In stock
    $235Visit
  • AmazonGlobal

    Check price
    Visit
  • WhatGeekCN

    Out of stock
    $194Visit
  • MKUS

    In stock
    $139Visit
  • ktechsSG

    In stock
    $145Visit
  • AmazonGlobal

    Check price
    ~$139Visit
  • WhatGeekCN

    Out of stock
    $135Visit

Prices in USD are converted to your currency and can change at any time. KeebFinder may earn a commission when you buy through these links, at no extra cost to you.

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