Comparison

Indus by Sarvam vs Fabius

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Indus by Sarvam

This AI assistant helps simplify your day by providing quick answers, drafting messages, and researching topics. It understands Indian languages and allows for voice input, making interactions natural and efficient. Built in India, it prioritizes local data security and privacy.

Highlights
  • Natural language chat
  • Voice input for questions
  • Web research and summarization
  • Multi-language support
  • Indian data privacy focus
Features
Read full description

Meet Indus, a simple, helpful AI designed to make your day a little easier. Whether you need to research a topic, draft a message, or just find a quick answer, Indus is ready to help. It’s built right here in India to understand the unique way we speak, search, and get things done. Chat the way you speak Language shouldn't be a barrier. Whether you’re comfortable in Hindi, English, Tamil, or a mix of everything, Indus follows your lead. Switch languages naturally and be understood, just like you’re talking to a helpful local. Talk, don't type Give your thumbs a rest. Just tap the mic and ask your question out loud. It’s faster, easier, and feels more like a natural conversation than a search query. The web, simplified Skip the endless scrolling. When you ask Indus a question, it scans the internet to bring you clear, direct answers—from breaking news to obscure facts—instantly. Proudly Indian Technology that feels at home. Indus is powered by infrastructure built and hosted in India, ensuring your data stays local, secure, and respectful of your privacy.

About

Fabius

Design personalized AI agents with unique personalities, instructions, and tools. Upload documents and images to provide agents with specific knowledge for grounded answers. Collaborate with others in shared workspaces and connect to channels like Telegram.

Highlights
  • Custom AI agent design
  • Personalized agent personalities
  • Document and image knowledge integration
  • Team collaboration with roles
  • Telegram bot integration
  • Private by design, no tracking
Read full description

Fabius lets you create your own AI agents and put them to work. DESIGN YOUR AGENTS Give each agent its own personality, instructions, model, and tools. A research assistant, a writing partner, a support bot — you decide what each one knows and what it is allowed to do. BRING YOUR KNOWLEDGE Upload documents and images, and your agents use them to give grounded, specific answers. WORK AS A TEAM Invite people to your workspace, give them a role, and choose who pays. CONNECT YOUR CHANNELS Link a Telegram bot and your agent answers there too. PRIVATE BY DESIGN No ads, no analytics, no tracking. Your conversations belong to you, and you can delete your account — and everything with it — anytime, right from Settings.

Screenshots

Indus by Sarvam4 screens
Fabius4 screens

Verdict

The call

The clearest difference is in-app purchases: Indus by Sarvam at none against Fabius's 3. Indus by Sarvam also leads on ratings volume (36 vs 1). Fabius's advantage is rating (5.0 vs 4.8). On price, update cadence, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Fabius sells 3 one-off in-app purchases. Indus by Sarvam asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Fabius holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Indus by Sarvam has 36 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Indus by Sarvam ships an update every 8 days, Fabius every 9 days. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
Indus by Sarvam versus Fabius: the parameters behind the verdict, then further details
ParameterIndus by SarvamFabius
PriceFreeFree
Rating4.8 (36 ratings)5.0 (1 ratings) — better
Positive reviews86.7% of reviews—
Number of ratings36 — better1
Update frequencyEvery 8 days — betterEvery 9 days
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.1 — better16.4
Further details — not scored
Size90 MB69 MB
Age rating12+12+
DeveloperSarvamSubhi Mukbel

Customer experience

Indus by Sarvam

All ratings36 ratings
Positive91.7%
Neutral5.6%
Negative2.8%
Written reviews45 reviews
Positive86.7%
Neutral8.9%
Negative4.4%

Fabius

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Indus by Sarvam

No in-app purchases

3 purchases

Fabius

One-time3
  • 1,400 Credits$4.99
  • 6,200 Credits$19.99
  • 17,000 Credits$49.99

Questions

Is Indus by Sarvam free?
Indus by Sarvam is free to download, with no in-app purchases.
Is Fabius free?
Fabius is free to download, with in-app purchases available.
Which has better reviews, Indus by Sarvam or Fabius?
Fabius is rated higher. Indus by Sarvam averages 4.8 out of 5 from 36 ratings, while Fabius averages 5.0 from 1 ratings.
Do Indus by Sarvam or Fabius have ads?
Neither Indus by Sarvam nor Fabius shows ads.
Which is updated more often, Indus by Sarvam or Fabius?
Indus by Sarvam ships an update every 8 days, and Fabius every 9 days. Most recently, Indus by Sarvam was updated on October 31, 2026 and Fabius on October 31, 2026.

Other comparisons