Useful tools for anglers
On the bank
Stopwatch
Time how long since you cast, the wait between catches, or any other interval during your session
Compass
Quick orientation on the bank of a lake or big water
Flashlight
The phone's flashlight, handy for night fishing
Spirit level
A spirit level for your rod pod, table and tent, from the phone's sensor
Packing list
Checklists by session type: feeder, 48 h carp, spinning, fly, Delta, sea
Calculators
Ruler from a photo
Measure the fish in a photo using a coin or card for scale; compare with the legal minimum
Weight/length calculator
Estimate the weight and length of a fish from a photo
Lead weight calculator
How heavy the lead, feeder or jig should be, by distance, current and wind
Line, hook, rod
Line strength by diameter and which line/hook/rod suits each species
Unit converter
lb ↔ kg, oz ↔ g, inch ↔ cm, °F ↔ °C -- leads and rods often use imperial sizes
Community
Fishing day
Am I allowed to fish?
Pick the water and the day: closed season, permit, rods, catch limit, night, tent, fire
Sunrise, sunset and best hours
Sunrise/sunset, moon, solunar windows and estimated water temperature
Water temperature
Estimated from the last 7 days of air temperature, by water type; the trend and which species are active
Barometric pressure
72 h trend with the good hours marked; the phone's sensor if it has one
Fishing journal
Your sessions: water, time, weather at the start, catches; yearly totals for the ANADSPA (formerly ANPA) report
Water level alerts
A notification when the Danube or a river goes above/below your threshold