When it comes to mechanical keyboards, switches are often the first thing people focus on. However, the keycap profile also plays a major role in shaping the overall typing experience. Today, let’s take a look at a new and exciting keycap profile: the ACA profile.
What Is ACA Profile?
ACA = Akko, Cherry, All Sculpted Rows
A: Akko– In-House Structural Optimization
ACA is not an off-the-shelf profile copied from existing molds, but a fully in-house design developed by Akko’s product team.
C: Cherry, ACA is original from the Cherry profile
The “C” in ACA stands for Cherry, the most widely trusted and performance-proven keycap height standard in the mechanical keyboard industry.
ACA is based on Cherry’s height system, which means it retains:
- Fast key response
- Controlled bottom-out feel
- Excellent stability for both typing and gaming
Instead of copying Cherry directly, Akko refined its geometry to:
- Reduce long-term finger fatigue
- Improve key targeting
- Create smoother transitions between rows
A: All Sculpted Rows
ACA has a unique height and curvature for each row. Unlike flat keycap profiles (such as DSA or XDA), ACA uses fully sculpted rows from top to bottom:
- Each row has a unique height and angle (R1–R4/R5)
- Keys naturally guide your fingers into position
- Less finger travel is required during continuous typing
ACA profile is Akko’s refined interpretation of the Cherry height system, combined with fully sculpted rows for a smoother, more ergonomic, and more balanced typing experience.
Features of ACA Profile
ACA Profile keeps the soul of Cherry but modifies its physical presence.
- Slightly increased height compared to Cherry
- Retains full sculpting across all rows
- Adjusted angles for stronger ergonomic guidance
- Designed for longer sessions without finger fatigue
ACA Profile vs Cherry Profile
| Feature | ACA Profile | Cherry Profile |
| Height | Generally slightly taller than Cherry, offering a bit more structural presence | Lower standard height, widely adopted across the industry |
| Sculpting | Sculpted (R1–R4) as well, maintaining ergonomic row transitions | Sculpted (R1–R4) to fit natural finger movement |
| Typing Feel | Inherits Cherry’s comfort, but feels slightly more substantial and supportive | Classic, comfortable, and widely preferred by most users |
| Typing Angle | Combines Cherry’s sculpted structure with Akko’s ergonomic optimization for a more relaxed typing angle | Low-height design with a efficient, performance-oriented angle |
| Sound Character | More rounded and fuller, benefiting from slightly increased height and refined structure | Crisp, clean, and controlled due to the lower profile |
| Interference & Stability | Also maintains strong compatibility, while enhancing stability with refined geometry | Excellent low-height comfort and strong interference prevention |
| Overall Positioning | A refined evolution of Cherry with improved ergonomics and sound balance | Industry-standard baseline for precision and performance |
Cherry Profile defines the industry standard for low-height precision, while ACA Profile builds on that foundation with a slightly taller structure, optimized ergonomics, and a more balanced acoustic character.
Related Article: Keycap Profiles 101: Find the Right Fit for You
Why Akko Created the ACA Profile?
As the table shows, ACA Profile is not meant to replace Cherry—but to refine it. Cherry’s low height, sculpted rows, and performance-oriented feel have stood the test of time and remain a gold standard in the industry.
However, modern users are no longer choosing between “typing” or “gaming” alone. Today’s keyboards are used for:
- Long work sessions
- Competitive gaming
- Streaming, editing, and content creation
These hybrid scenarios demand more than just speed—they require comfort that lasts for hours, better acoustic balance, and smoother finger movement across rows.
That’s exactly where Akko stepped in. By keeping Cherry’s proven height logic and combining it with slightly increased structure and refined sculpting, Akko created ACA Profile, a profile built specifically for modern all-day usage.
ACA Profile Keycap Set
Timeline Keycap Set (151-Key)
If you’re looking for a real-world example of what the ACA Profile can deliver, the Akko Timeline 151-Key Keycap Set is one of the best choices to start with.
Features:
- ACA Profile (Akko × Cherry × All Sculpted Rows): keeps the familiar Cherry-style height while adding Akko’s refined sculpting for smoother row transitions and improved long-session comfort.
- High-Quality PBT with 5-Sided Dye-Sublimation: Made from durable PBT and produced with 5-sided dye-sub printing, the legends are highly resistant to wear, fading, and shine—perfect for daily use over many years.
- 151 Keys for Maximum Layout Compatibility: With 151 keys included, this set supports 60%, 65%, 75%, TKL, 1800, and full-size layouts. It also includes Mac modifiers and ISO-UK support, making it ideal for multi-platform users.
- Balanced Typing & Gaming Experience: Thanks to the sculpted ACA rows and slightly fuller structure than standard Cherry, the Timeline set feels stable for gaming while remaining comfortable for long typing sessions—an ideal hybrid setup.
- Retro-Inspired, Clean Aesthetic: The Timeline colorway blends subtle retro vibes with modern desk setups, making it suitable for both professional and creative environments.
Best For
- Users who type for long hours (office work, writing, coding)
- Gaming + typing hybrid users who want balance instead of extremes
- Anyone upgrading from OEM or standard Cherry profile
- Users who need broad layout and OS compatibility
ACA Profile FAQs
Is ACA Profile the same as Cherry Profile?
Not exactly. ACA is based on the Cherry height system, but it is refined by Akko with smoother sculpting and slightly increased structure. The result is a profile that keeps Cherry’s speed and precision while improving comfort and sound balance.
Is ACA Profile good for beginners?
Yes. ACA has a very low learning curve—especially for users coming from OEM or Cherry profiles. It feels familiar, but with better ergonomics for long-term use, making it an excellent first upgrade.
Is ACA Profile better for typing or gaming?
It’s designed for both. ACA provides the fast response and control needed for gaming, while its sculpted rows and relaxed typing angle make it comfortable for long typing sessions.
Conclusion
The ACA Profile isn’t designed to chase extremes—it’s built to deliver balance that lasts. By combining Cherry’s proven low-height performance, Akko’s in-house structural refinement, and fully sculpted rows, ACA creates a typing experience that feels familiar on day one and comfortable even after months or years of use.
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