1. | It was developed and is owned by Apple Incorporation. | It was developed and is owned by Google LLC. |
2. | It was launched in 2001. | It was launched in 2009. |
3. | Its target system types are workstation, personal computers and embedded systems. | Its target system types are Chromebook, Chromebox, Chromebase and tablets. |
4. | Computer architectures supported by macOS are x86-64(10.4.7-present), IA-32(10.4.4-10.6.8) and PowerPC(10.0-10.5.8). | Computer architectures supported by Chrome OS are ARM, IA-32 and x86-64. |
5. | Its kernel type is Hybrid with modules. | Its kernel type is Monolithic with modules. |
6. | Its package management is macOS installer. | Its package management is Portage. |
7. | It is specifically designed for MacBook. | It is specifically designed for Chromebook. |
8. | Its native APIs are Carbon, Cocoa, Java and BSD-POSIX. | Its native APIs are SysV/POSIX. |
9. | It has the preferred license of Proprietary, APSL and GNU GPL. | It has the preferred license Proprietary. |
10. | The non-native APIs supported by its subsystems are Toolbox, Win16 and Win32. | The non-native APIs are not supported by its subsystems. |
11. | File systems supported by macOS are HFS+, APFS, HFS, UFS, AFP, ISO 9660, FAT, UDF, NFS, SMBFS, NTFS, FTP, WebDAV and ZFS. | File systems supported by Chrome OS are eCryptfs, NTFS, FAT, FAT16, FAT32, exFAT, ext2, ext3, ext4, HFS+, MTP, ISO 9660 and UDF. |