More detail
Cloud sync is the practical backup most small shops need: your sales and stock survive a broken or lost device because they are not stored only there.
The exact backup frequency and how long data is retained are policy details worth confirming directly, so you know precisely what is kept and for how long.
Related questions
Where is my data kept?
How long is data kept?
Veira gives Kenyan shops one calm app for selling, M-Pesa, KRA eTIMS and stock, with a free terminal. Book a demo and see it set up for your trade.