Stamp Rally Maker
Create digital stamp rallies with QR codes, GPS and puzzles. Participants play without installing an app.
Web · Subscription · stamprally-maker.com
App & SaaS Development for Business
We build web services tailored to how you work, and apps for the App Store and Google Play.
One team handles it all: planning, development, store review and running it after launch.
We operate SaaS products and apps of our own, and take real payments for them.
Sign-ins that fail. Payment notifications that arrive twice. Apps stuck in review. We've run into these post-launch stumbles ourselves, so we build the answers into the design from the start.
The same team handles everything from sorting out requirements to design, development, testing and store submission. Nothing gets lost in hand-offs.
We handle subscriptions, one-time purchases and in-app purchases, and prepare the pages you need to launch, such as terms of use and a privacy policy.
We build on cloud services you pay for as you use them, so running costs stay small while your user base is still small.
Our own products
Built with the same technology and the same team as our client work.
Create digital stamp rallies with QR codes, GPS and puzzles. Participants play without installing an app.
Web · Subscription · stamprally-maker.com
An asset management SaaS: put tags on your equipment, scan them with a phone, and stocktaking is done.
Web + scanner app · Subscription · tagmiru.com
Viewers vote from a QR code, and the results chart moves on top of the stream in real time.
Web · Real-time communication · livote.app
Hand out fan cards for your favorites straight to fans' Apple Wallet and Google Wallet.
Web · Wallet integration · kawaii-pass.com
Drop spots on a map and get an audio walking tour. Visitors need no app, and audio plays as they arrive.
Web · AI voices in 5 languages · koe-tour.com
Our next SaaS is on the way
We'll announce it here when it launches.
A mosaic app that hides the parts of a photo you don't want shown, just by tracing over them with your finger.
Pick your favorite moment in a video and turn it into a Live Photo that moves on your Lock Screen.
A camera app that shoots with the front and back cameras at once, with AI editing built in.
Ideas
Where we already run a similar system in our own services, that experience carries straight over.
Cards that go into Apple Wallet and Google Wallet, under your shop's or organization's name.
Stamp rallies and quiz rallies on phones alone, with no paper cards.
Ledgers and stocktaking you run in Excel, moved onto a phone-and-web system.
Viewers and attendees join from their phones, and the results appear on screen on the spot.
Customers book on the mobile web; the shop checks bookings in an admin panel.
From on-device editing features to AI-powered editing.
Scope
We're also happy to discuss partial work, such as only implementing screens that are already designed, or only updating an existing app.
How we work
We ask about the problem, who will use it, your budget and timing, and propose how to make it happen.
Looking at draft screen designs together, we separate what goes into the first release from what can wait.
We hand you something working early, and finish it while you try it out.
We stay on through store submission, switching payments over to live, and improvements after launch.
Yes. We recommend launching with only the features you need, then adding more as you see how it's used.
Yes. We help with everything from registering as an Apple and Google developer to submission and review.
At the design stage, we put numbers on the expected payment provider and store fees and server costs.
It varies widely with the number of features and whether it's an app or a web service. Tell us what you have in mind and we'll send you a quote.
"Could this task become an app?" "We want to launch a service like this."
Come as you are, with whatever you have so far.