DevBath is a film development timer for developing, stop, fix and wash steps, with an on-device development log.
Where is my data? Only on your device. There is no account or sync; deleting the app deletes your data.
Are there ads? No. DevBath is a one-time paid app with no ads and no tracking.
Does it work offline? Yes, fully.
Email tong.zhang.app@icloud.com and we'll reply as soon as possible.