Karri.io vs Lumraa
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Karri.io
Facilitates one-to-one and group communication between parents and children. Connects families through a dedicated smartphone application and child-friendly devices.
- One-to-one communication
- Group communication
- Parent-child connection
- Smartphone app integration
- Dedicated child devices
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Karri allows for one-to-one and group communication between parents and children via their Messengers and our smartphone app.
Lumraa
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One question. Seven billion perspectives. Lumraa is a daily anonymous polling app that reveals how the world really thinks. No accounts. No followers. No algorithms shaping what you see. Just honest answers from real people, broken down by age, gender, and location. HOW IT WORKS A new question drops every day. Answer Yes or No, completely anonymously. Then see in real time how your response stacks up against a global audience, filtered by the demographics that matter to you. But here is where it gets interesting. After you vote, predict where the crowd will land. Pick your confidence level, set your window, and earn points for accuracy. The tighter your prediction, the higher the reward. Your streak multiplies everything, so showing up every day matters as much as being right. Answer 15 questions and Lumraa builds a personality profile based on how you actually think, not how you present yourself online. WHAT YOU GET A fresh question every single day Real-time results from a global audience Demographic breakdowns by age, gender, and location A prediction game with weekly, monthly, and all-time leaderboards A personality profile that evolves as you answer more Zero sign-up, truly anonymous from the start WHY LUMRAA Most opinions you see online are filtered by algorithms, social pressure, and whoever shouts loudest. Lumraa strips all of that away. Anonymity unlocks honesty, and honesty is where things get interesting. Thirty seconds a day. One question. Find out where you really stand. YOUR PRIVACY, GUARANTEED Lumraa does not know who you are, and it is designed that way. No name, no email, no social login. Your answers belong to you, protected by architecture, not just a privacy policy.
Screenshots
Verdict
The clearest difference is ads: Karri.io at none against Lumraa's shown. On price, update cadence, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Karri.io ships an update monthly, Lumraa every 3 weeks. The most recent releases landed on September 23, 2026 and September 20, 2026 respectively.
| Parameter | Karri.io | Lumraa |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | โ |
| Update frequency | Monthly | Every 3 weeks โ better |
| Ads | No โ better | Yes |
| In-app purchases | No | No |
| Monetization | Free | โ |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.0 โ better | 15.1 |
| Further details โ not scored | ||
| Size | 123 MB | 37 MB |
| Age rating | 4+ | 17+ |
| Developer | Karri.io Ltd. | Aparna Keswani |
In-app purchases
Karri.io
No in-app purchases
Lumraa
No in-app purchases









