Indonesia · est. 2026

Apps worth keeping.

NIN Group makes JarSave, a money app for kids and parents, and Vaumu, a chat-story app for writers.

2apps, one PT
2026incorporated 31 July
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We show the real thing. No fake reviews, no invented numbers, no AI filler.

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Kids earn their money in JarSave. We earn trust the same way, one release at a time.

Read the founder's note

Every product is licensed and on the books before it ships.

See the records

We would rather keep a few products for years than start many and drop them.

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From the founder
“I built PT NIN to hold what my family makes. Every app ships registered, every rupiah sits on the books, and nothing goes out until it is real.”

Rizki Itsna Syafi'i · Director, PT Nadi Inovasi Nusantara

Our companies

Two apps, one PT
1

JarSave

An allowance app that teaches kids to earn, save and wait for what they want.

Pre-registration on Google Playjarsave.com
2

Vaumu

Write an alternate-universe chat story once, then show it as WhatsApp, iMessage, Instagram, Messenger or LINE.

Coming soon to iPhonevaumu.com

On record

Public registrations

Check who we are

To check who we are, look up our D-U-N-S number with Dun & Bradstreet.

  • D-U-N-S, Dun & Bradstreet78-149-3113
  • Legal entity, Ministry of LawPerseroan Terbatas
  • Business licence, OSSIssued
  • Electronic system, KomdigiJarSave website
PT Nadi Inovasi Nusantara company seal Company seal

One company. Every product under one name and one set of books.

Children's data, handled with care

JarSave is made for children aged 5 to 17, so the rules come before the features.

Data protection policy, SK 001/2026Data impact assessment on filePP Tunas self-assessment: low riskScreen time capped at 20 min a day

Inside the products

JarSave

Kids earn points from chores and practice, keep them in a jar, and wait for the wishes their parents price.

For parents and kids
Earn20 min of chores, up to 28 points
GrowCoins in the jar grow on the 1st
WaitEvery wish has a price in practice days
KeepA record of certificates, theirs at 18
Visit jarsave.com