Major Advancements in Keikai (vs. ZSS)
Performance Boost

File Import
3x Faster

Sheet Clone
6x Faster

Filtering
10x Faster

Peak Memory Usage
75% Less

SUMIF Function
2x Faster

VLOOKUP Function
12x Faster

Data Validation
9x Faster

Row Height Update
70x Faster
Other Major Enhancements
- Refreshed Modern Look & Feel
- iOS/Android Tablet Support
- Smooth Frozen View
- Additionally 30+ Fixes and Improvements
Improvements may differ according to sheet content and size.