Short let cleaning happens in the tightest window in hospitality: the couple of hours between one guest leaving and the next arriving. When a host later finds something wrong, the cleaner is the first person they ask, and a message saying it is all done is not much of an answer.
Before photos protect you from the last guest
Damage found after a turnover usually happened during the stay, not during the clean. Photos of the flat as you found it are what separate the two. Without them it is your word against a reasonable assumption.
After photos prove the standard
Hosts cannot see the clean. They see the reviews. A set of after photos, room by room, shows the flat was left ready, which matters when a guest complains about something that was not there when you left.
Send it the way the host reads it
Most hosts live in WhatsApp. A tidy strip of before and after photos sent there gets looked at. A formal report does the same job for landlords and agencies who want paperwork.
Get paid off the back of it
The report is also the natural moment to invoice. A proof of work with the payment link on it gets settled faster than a separate message a week later.
TurnSnap is an Android app built for that two hour window. You shoot before and after, and it turns the photos into a WhatsApp strip or a branded PDF with your payment link on it.