Yes, both Polarr Next and 4DDiG offer a Free Trial.
Pricing for Polarr Next Starts at $0.05/month whereas for 4DDiG Starts at $59.99/month.
Polarr Next offers several advantages, including Web-based tool, Simulates user's editing style, Real-time editing feedback, REDUCES workload, Instantly implements user modifications and many more functionalities.
The cons of Polarr Next may include a Requires Google Chrome, Limited browser compatibility, Monthly subscription fees, Localized data storage. and No standalone application
4DDiG offers several advantages, including Restores compromised photographs, Improves quality of old photos, Handles corrupted images, Fixes blurry pictures, Corrects overexposed photos and many more functionalities.
The cons of 4DDiG may include a No mobile version, Lacks online version, No Linux support, Limited to photo repairs. and Price not clear
