Just-right appsfor life's small snags.
From hobby logs to household notebooks: SOLVLET is a shelf of small web apps for niche everyday needs.
21 apps
Apps
2 apps, live now. They run right in your browser.
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Koi Karte
Every koi, lineage to growth.
For keepers who want each koi's breeder, bloodline and growth on record.
Nothing here yet
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PrototypeJapanese only

Juken Note
For parents tracking mock-exam scores in a homemade spreadsheet.
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PrototypeJapanese only

Team Duty Planner
For parent volunteers who assign snack duty and carpools for a youth team.
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PrototypeJapanese only

Home Upkeep Notebook
For homeowners who keep insurance and equipment dates on paper or in their heads.
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PrototypeJapanese only

Family Home Ledger
For siblings who take turns looking after an empty family home.
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PrototypeJapanese only

Memorial & Kin Notebook
For households that host the family rites and rely on memory to keep track.
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PrototypeJapanese only

Small Landlord Ledger
For small landlords running a few units from a spreadsheet and a bankbook.
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PrototypeJapanese only

Kids' Lessons Notebook
For parents juggling fees and make-up lessons across several classes.
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PrototypeJapanese only

Long-Distance Care Notebook
For siblings sharing the care of a parent who lives far away.
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PrototypeJapanese only

Cleaning Board
For hosts who run a few short-stay rooms themselves.
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PrototypeJapanese only

Neighborhood Officer Handover
For residents whose turn has come as a neighborhood association officer.
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PrototypeJapanese only

Lesson Fee Ledger
For teachers running a home studio who handle fees, make-ups and recitals alone.
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PrototypeJapanese only

Family Home Clear-out Ledger
For siblings clearing out a parent's home over a few months.
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PrototypeJapanese only

Graduation Committee Notebook
For parents taking on the graduation committee for the first time.
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PrototypeJapanese only

Guardian's Cash Book
For family members acting as a parent's guardian who keep track of pensions and care fees.
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PrototypeJapanese only

Pet Sitter Report
For independent pet sitters who type long reports to owners after every visit.
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PrototypeJapanese only

Next-Visit Cards
For one-person trades that look after customers' things on a cycle, such as piano tuning or shoe care.
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PrototypeJapanese only

Lecturer's Booking Ledger
For freelance lecturers tracking each host's billing cycle in a spreadsheet.
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PrototypeJapanese only

Festival Committee Book
For shrine representatives and festival committee members who take their turn without last year's notes.
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PrototypeJapanese only

Board Member's Notebook
For residents whose turn has come to serve on their condominium board.
Nothing here yet
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About
SOLVLET is a product brand for small, focused web apps that solve niche problems. The name joins SOLVE with -LET, the suffix English uses for something small.
Instead of one large system that tries to do everything, we build specific answers to the problems that genuinely matter to a particular person — one app at a time.
Contact
Questions, requests, or thoughts about the apps are always welcome by email.
