This task can be performed using Tebi
Text behind image
Best product for this task

Tebi
social-tools
An iOS app to easily place text behind image
What to expect from an ideal product
- Open Tebi and select the photo you want to add text behind
- Tap the text tool and type your message where you want it
- Adjust the text position by dragging it behind the main subject
- Fine-tune the text transparency to make it blend naturally
- Save your edited image directly to your Photos app