An oh so simple time lapse app suitable for iPad and iPhone.
Download it, then give the app access to camera roll and microphone (optional). Place your device in a suitable location. Press the big button to record and press again to stop.
View the recording on x2, x4, x6, x8, x10 and x12 speeds
Save (and share). Video is stored in your camera role.
Also has options for a selfie-lapse! The mind boggles….
Great for all manner of Science experiments, flow measurements, long term construction etc.