GentleflowStudio

Apps worth
keeping.

Eight apps across iOS, Android and HarmonyOS. No ads, no accounts, nothing you did not ask for.

01 / puzzle

Ninefold

Sudoku, made of candy bricks.

  • iOS
  • Android
  • HarmonyOS

Five difficulty tracks, a daily challenge you can go back and replay by date, and a Hell mode with no ceiling. Every puzzle is solver-checked before it ships.

puzzles
5,000 × 5
daily
since day one
ads
none
Open Ninefold

02 / puzzle

Kudoku

Killer sudoku that teaches itself.

  • iOS
  • Android
  • HarmonyOS

Cage sums, cage-aware notes, and an onboarding that walks you from plain sudoku into killer in one sitting.

puzzles
25,000
tracks
easy → master
languages
20
Open Kudoku

03 / puzzle

Sweeple

Minesweeper you finish by thinking.

  • iOS
  • HarmonyOS

Three hundred hand-built levels where no guess is ever required, plus the classic endless boards. Offline, no ads.

levels
300
guessing
never required
network
not used
Open Sweeple

04 / puzzle

Arvia

Move the arrows. Find the way out.

  • iOS

Every arrow pushes the next. One wrong order and the board locks. The rules fit on a napkin; the later boards do not.

rule
one
solution
exactly one
hints
optional
Open Arvia

05 / tool

Airclap

Files across the room, not the planet.

  • iOS
  • Android
  • macOS
  • Windows

Local network transfer between phones, Macs and PCs. No account, no cloud, no upload bar crawling while you wait. #1 Product of the Day on Product Hunt.

transport
local network
account
not required
product hunt
#1 of the day
Open Airclap

06 / place

Locary

Pin a memory to where you stood.

  • iOS
  • HarmonyOS

A place-first diary built to one rule: standing somewhere, one hand, thirty seconds. Six months later you walk the same street and the street remembers.

capture
< 30 seconds
types
photo · voice · music · mood
data
stays on device
Open Locary

07 / tool

GT Alarm

An alarm that knows it's Saturday.

  • iOS

Weekday-aware schedules, holiday skips, and the small mercy of staying quiet on a day you booked as leave.

calendar
workday aware
holidays
auto-skip
setup
once
Open GT Alarm

08 / tool

mydots

Catch the thought before it leaves.

  • iOS

One field, no folders, no title. Open, type, gone. Structure is something you can add later, if you ever want it.

fields
1
taps to capture
2
folders
none
Open mydots