Software that asks for less.
Spolvero is a small studio that builds big things fast: private apps for your phone, free tools for your browser, and product design for founders, teams and brands. A designer with AI in the loop, shipping in days what used to take a quarter.
- 39free browser toolsIn 10 sets, nothing to install
- 10apps designed and built6 live on Google Play, the rest on the way
- 108guides publishedEach one checked against the tools here
- 0uploads, everTests, recordings and photos stay on your device
Tools that open and work
No sign-up, nothing uploaded, no feature held back. Ads on the page pay for them, never the person using them.
- Device tests8 liveFreeCheck your camera, mic, speakers, keyboard and screen.Open device tests
- Timers8 liveFreeBig, calm timers for classrooms, speeches and workouts.Open timers
- Audio2 liveFreeRecord and export without uploading anything.Open audio
- Play6 liveFreeBingo and Tambola: print the cards, call the game.Open play
- Print at home1 liveFreeWall-sized posters from a home printer.Open print at home
- Craft2 liveFreePhoto to crochet and knitting charts, and a row tracker.Open craft
- Measure3 liveFreeA true-size ruler, a ring sizer and a bangle sizer, calibrated to your screen.Open measure
- Photo2 liveFreeRemove location and hidden data from photos, on your device.Open photo
- Astrology4 liveFreeKundli, birth chart, today's horoscope and panchang, computed for you.Open astrology
- Calculators3 liveFreeGST with the CGST and SGST split, speech time and exam time.Open calculators
The tools are free. These are the finished things.
A kundli report to keep, and party packs to print tonight. Pay once, download at once.
Each one does one job well
Private by default, no account to start, and honest about what they cannot prove.
Unspend: Subscription TrackerOn Google Play
ExactPhoto compressor
Enough: Drink Water ReminderOn Google Play
Baseline: Skincare TrackerOn Google Play- Plainly: Mood & Symptom TrackerMood tracker
Lull: Baby Feeding & Sleep LogBaby tracker
Jyotish: Kundli & AI AstrologyOn Google Play
Women Safety: Flashlight SOSOn Google Play
GST Calculator by SpolveroOn Google Play
Booster: Pet Vaccine TrackerPet vaccine tracker
Something to play tonight
Bingo, Tambola, a piano and a jigsaw, in the browser. The studio's own games come after — and until one is out, the page says so.
- Bingo Card GeneratorPrint or play on phones
- Tambola TicketsHousie tickets and caller
- Tambola Prize CalculatorSplit the prize money
- Kitty Party ChitsPrintable chits and a name draw
- Virtual PianoKeyboard, touch or MIDI
- Photo Jigsaw PuzzleTurn a photo into a puzzle
Bingo, Tambola, piano and jigsaw to play tonight — free, in the browser, nothing uploaded. See the games.
Product design that ships, from people who ship
Apps, websites and brands for founders, teams and businesses anywhere, led by the designer of a five-million-download super app. A written quote before any work starts.
- 5M+downloads of the app I design by day
- 6designers led across four verticals
- 27homepage variants tested before one shipped
Answers to the things that actually go wrong
Written to solve the problem and then stop. Every fix has been checked against the tools on this site.
Astrology
How Guna Milan is calculated: the 36 points, koota by koota
The eight kootas of Ashtakoota matching, what each one compares and how many points it can give, with the rules for Nadi, Bhakoot and the 18-point line.
ReadSkincare
How long does skincare take to work? Give it four weeks at least
Most products need four weeks or more before any change is fair to judge, longer as skin ages. How to test one product properly, with photos you can compare.
ReadAstrology
Mulank, bhagyank and namank: how to work out your numbers
How Ank Jyotish works out your mulank from your birth day, your bhagyank from the full date, and your namank from your name, with the letter table and rulers.
Read
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