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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
147countries can pre-register JarSave
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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

  1. 15.07.2026: Deed signed
  2. 31.07.2026: Legal entity
  3. 06.08.2026: Business licence
  4. 29.09.2026: Software licence
  5. 14.10.2026: D-U-N-S number
  6. 15.10.2026: JarSave on Google Play
  7. 25.10.2026: vaumu.com and ningroup.co.id go live

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

Trust

Check us, not our word

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
On your phone

Vaumu keeps every story on the device. No account, no analytics, nothing sent to a server.

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

Where we work

147 countries, 4 languages

Worldwide

JarSave is open for pre-registration on Google Play in 147 countries, the United States included.

AppJarSave
LanguagesEnglish, Bahasa Indonesia
HelloJarSave in 147 countries
StoreGoogle Play, pre-registration
Not yetEU, EEA, Switzerland, United Kingdom

Work with us

Rp800

Creators

Recommend JarSave and earn Rp800 for every family that joins through your link, plus 20% of their first purchase. For accounts with 5,000+ followers.

affiliate.jarsave.com halo@

Press and partners

Partnerships, schools and press: write to us and the founder answers.

halo@ningroup.co.id