Tide Chart
潮汐なび
Tide Chart gets 1k+ downloads a day worldwide (AppInsider estimate, September 2026, rounded down to a band).
Tide Chart is #32 in Weather Free in Japan and charting in 1 of 24 countries we track.
Updated 27 Sep 2026 · rankings refresh through the day
Developerhanitaro
CategoryWeather
PriceFree
Released
Rating★ 4.6 (30k)
Version2.19
Age rating4+
First seen by us
25 Sep 2026
25 Sep 2026Rating
4.6 ★
30k ratings
Measured
Best rank now
#32
Weather FreeMeasured
Tide Chart on the App Store
App details
App ID
500375115
Publisher
黒木 康勘
Publisher country
Japan
Content rating
4+
Tide Chart downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Where Tide Chart's downloads come from Modelled
Last 30 days: organic search, browsing the store, features and paid ads.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
Retention · share of new users still active
Day 1
Day 7
Day 30
Time spent · per daily user
Average time spent Pro
min a day
Sessions a day Pro
Time per session Pro
min
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Business model: Ad-led
How Tide Chart makes money: subscriptions, one-off purchases and ads.
Ads
Ads
/mo
of revenue
Where it ranks now
Every top chart it appears in across 24 countries.
| Country | Charts | Rank |
|---|---|---|
| Japan | WeatherFree | #32 |
Apps near Tide Chart on the chart
Weather Free, around #32.
Ratings
App Store, worldwide.
Rating
4.6 ★
30k ratings
Measured
Ratings
30k
Measured
About Tide Chart
"Tide Chart" is an application to display tidal information.
I made for fun fishing.
This program is not available for commercial purposes, and navigation.
THERE IS NO WARRANTY OF ANY KIND.
I made for fun fishing.
This program is not available for commercial purposes, and navigation.
THERE IS NO WARRANTY OF ANY KIND.
Latest updates
2.19
Correcting spelling mistakes.