Comparison

UnBubble vs Cerne

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

Head to head
About

UnBubble

Features
Read full description

Entre no seu próximo evento com confiança usando o UnBubble, o app criado para ajudar você a se conectar de forma mais natural e eficaz. Seja em uma conferência corporativa, workshop ou evento social, o UnBubble oferece iniciadores de conversa personalizados com base nas sessões que você escolhe, garantindo que você esteja sempre preparado para diálogos significativos. Adicione seus eventos, personalize sua programação e deixe o UnBubble guiar você para fazer conexões duradouras sem constrangimentos.

About

Cerne

Measure and understand your carbon footprint by identifying trees with augmented reality. Track your personal impact and contribute to a collaborative map of CO₂ capture, helping to support environmental research and reforestation.

Highlights
  • Augmented reality tree identification
  • Carbon sequestration calculation
  • Collaborative community mapping
  • Individual and collective impact tracking
  • Biodiversity and flora information
  • CO₂ neutralized and oxygen generated reports
Features
Read full description

Cerne is an app that connects technology and nature to help you measure, understand, and reduce your carbon footprint. With the power of iPhone augmented reality, you can identify tree species, measure trunk diameter and height, and discover how much CO₂ each tree can capture. Key Features • Carbon sequestration calculation: Use the camera to record trees and instantly see their potential for CO₂ capture. • Smart mapping: Every entry is saved on a large collaborative map that shows the real impact of each tree and the community. • Individual and collective data: Track your personal contribution and see the combined results of all users in real time. • Biodiversity revealed: Learn about the species present in your region and help expand knowledge about local flora. • Impact reports: Get clear statistics on CO₂ neutralized and estimated oxygen generated from the trees you register. How It Works 1. Capture and identify – Photograph the tree, identify its species, and record diameter and height using the camera and augmented reality. 2. Calculate and track – Cerne estimates carbon sequestration potential and oxygen release, creating a history of your positive impact. 3. Share and engage – Invite friends and watch the community’s strength grow, with data revealing the total carbon removed from the air. Why Use Cerne Every tree counts for the climate. By registering your discoveries, you contribute to a global database that supports environmental research, encourages reforestation actions, and promotes a more sustainable lifestyle. The app helps you visualize the real impact of small actions, turning every record into valuable information for the planet. Download Cerne and join a community that believes technology and nature can work together to reduce CO₂ and improve the air we breathe.

Screenshots

UnBubble4 screens
Cerne4 screens

Verdict

The call

The clearest difference is update cadence: Cerne at every 4 days against UnBubble's every 8 days. UnBubble's advantage is iOS requirement (17.5 vs 26.0). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

UnBubble ships an update every 8 days, Cerne every 4 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 7 level
UnBubble versus Cerne: the parameters behind the verdict, then further details
ParameterUnBubbleCerne
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 8 daysEvery 4 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS17.5 — better26.0
Further details — not scored
Size17 MB12 MB
Age rating4+4+
DeveloperFUNDACAO PADRE LEONEL FRANCAAndrei Rech

In-app purchases

None

UnBubble

No in-app purchases

None

Cerne

No in-app purchases

Questions

Is UnBubble free?
UnBubble is free to download, with no in-app purchases.
Is Cerne free?
Cerne is free to download, with no in-app purchases.
Do UnBubble or Cerne have ads?
Neither UnBubble nor Cerne shows ads.
Which is updated more often, UnBubble or Cerne?
UnBubble ships an update every 8 days, and Cerne every 4 days. Most recently, UnBubble was updated on October 27, 2026 and Cerne on October 30, 2026.

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