| Transfer method | Server-side cloud-to-cloud sync | Google's desktop sync tool | Export directly | Download then upload |
| Sync direction | 10 sync modes, including two-way, one-way, real-time sync | One-way sync only | One-way export only | One-way, manual |
| Cross-cloud support | 30+ clouds (Google Drive, Dropbox, Box, iCloud Photos, iCloud Drive, Flickr, OneDrive, and more) | No (Google ecosystem only) | Limited (Google Drive, Dropbox, Box, iCloud Photos, Flickr, OneDrive, SmugMug) | Theoretically yes, but fully manual |
| PC can be off | Yes (runs on MultCloud's servers) | No (must stay on and connected) | No (for download & re-upload) | No (computer must stay on the whole time) |
| Local bandwidth | ~Zero | High (desktop app consumes bandwidth) | ~Zero | High (every GB travels twice) |
| Local storage | None (move 1 TB on a 128 GB laptop) | Occupies disk | None | Occupies disk |
| Preserves folder structure? | Yes | Yes | Yes | Depend on your choice |
| Real-time sync | Yes (instant on any source change) | Yes (Frequent sync bugs — "Everything up to date" but files missing) | No | No |
| Scheduled sync | Yes | No | No | No |
| Auto-resume on failure | Yes | No | No | No |
| Large data (TB-scale) | Multi-threaded server transfer, handles TB-scale | Hogs RAM and CPU on large photo libraries | Practically infeasible | Practically infeasible |
| Sync speed | Fast (9.83GB in 6 mins 57 secs) | Slow (9.83GB in 1 hrs 28 mins 9 secs) | Slow (9.83GB in 16 hrs 41 mins 2 secs) | Slow (9.83GB in 2 hrs 45 mins) |
| File format | Original files preserved | Original files preserved | ZIP archives (need extraction — can't preview directly in Drive) | Original files preserved |
| Automation | Real time sync + scheduling | No scheduling | No automation & scheduling | No automation & scheduling |