ProofShow Ack app for iPhone and iPad

4.0 ( 3920 ratings )

Utilities
Developer: ProofShow Inc.

Free

Current version: 1.0.71212, last update: 4 years ago
First release : 29 May 2019
App size: 43.9 Mb

Ack is what parcel recipients can use to sign digital return receipts in the ProofShow system (https://www.proof.show), with the signatures meeting ETSI’s PDF Advanced Electronic Signatures (PAdES) standard.

Simply scan the barcodes on your parcels and press the Sign button to finish the signing with your email identity.