Comparison

CO2 Modeller vs Factory 4.0 Project

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

Head to head
About

CO2 Modeller

Simulate the impact of reducing carbon emissions on climate change. This app generates projections for atmospheric CO2 concentration, global warming, sea level rise, and ocean acidification.

Highlights
  • Model carbon emission reductions
  • Simulate climate change effects
  • Project CO2 concentration
  • Estimate global warming
  • Predict sea level rise
  • Analyze ocean acidification
Features
Read full description

Model the effect of carbon emissions reductions on climate change using your smartphone or tablet. CO2 Modeller uses a streamlined computationally efficient Earth system model to simulate the effect of carbon emissions reductions on climate change. It generates twenty-first century projections of atmospheric carbon dioxide concentration and global averages of surface warming, sea level rise and ocean acidification.

About

Factory 4.0 Project

This app offers short micro-modules on Industry 4.0 skills for manufacturing professionals. It covers digitalization, collaborative work, and production planning through quizzes and exercises. Subtitles are available for non-English videos.

Highlights
  • Industry 4.0 micro-modules
  • Digitalization training
  • Collaborative work modules
  • Production planning overview
  • Multiple choice quizzes
  • Video subtitles
Features
Read full description

FACTORY is a project co-founded by the Erasmus+ programme, with the participation of 6 partners organisations from France, UK, Greece, Poland and Finland aiming to address the digital skills needs of the manufacturing work force. FACTORY aims to support individuals and businesses to acquire and develop such competences, thereby enabling them to adapt to the digitalization of manufacturing processes and to remain competitive. FACTORY is mainly addressed to:  Entrepreneurs & companies’ staff Public administration staff VET providers Professionals in need of up-skilling & re-training to acquire specific Industry 4.0 skills The FACTORY mobile app consists of 100 short micro-modules (2-3 minutes duration, each) on the adaption to the digitalization of the manufacturing process and industry 4.0. Units include:  - Basic Digital Training - Collaborative work - 4.0 Technologies - Systems Analysis - Production Planning general overview - Production flow management & flexibility -Shop-floor organization techniques - Resource management - Continuous improvement - Metrology basics, data collection. Assessment methods: multiple choice questions, quizzes and exercises. Note: Subtitles available for videos in languages other than English.” Disclaimer: “The European Commission support for the production of this publication does not constitute an endorsement of the contents which reflects the views only of the authors, and the Commission cannot be held responsible for any use which may be made of the information contained therein.”

Screenshots

CO2 Modeller4 screens
Factory 4.0 Project4 screens

Verdict

The call

The clearest difference is update cadence: Factory 4.0 Project at every 2 months against CO2 Modeller's every 36 months. Factory 4.0 Project also leads on review sentiment (100% vs 75%). On price, ads, in-app purchases and monetization model 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

CO2 Modeller ships an update every 36 months, Factory 4.0 Project every 2 months. Both last shipped on October 2, 2026.

Scorecard2 real differences · 8 level
CO2 Modeller versus Factory 4.0 Project: the parameters behind the verdict, then further details
ParameterCO2 ModellerFactory 4.0 Project
PriceFreeFree
Rating2.5 (2 ratings) — better—
Positive reviews75.0% of reviews100.0% of reviews — better
Number of ratings2 — better—
Update frequencyEvery 36 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.111.0 — better
Further details — not scored
Size9 MB206 MB
Age rating4+4+
DeveloperAlex RogersPavla S.A.

Customer experience

CO2 Modeller

All ratings2 ratings
Positive50.0%
Neutral0.0%
Negative50.0%
Written reviews4 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

Factory 4.0 Project

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

CO2 Modeller

No in-app purchases

None

Factory 4.0 Project

No in-app purchases

Questions

Is CO2 Modeller free?
CO2 Modeller is free to download, with no in-app purchases.
Is Factory 4.0 Project free?
Factory 4.0 Project is free to download, with no in-app purchases.
Do CO2 Modeller or Factory 4.0 Project have ads?
Neither CO2 Modeller nor Factory 4.0 Project shows ads.
Which is updated more often, CO2 Modeller or Factory 4.0 Project?
CO2 Modeller ships an update every 36 months, and Factory 4.0 Project every 2 months. Most recently, CO2 Modeller was updated on October 2, 2026 and Factory 4.0 Project on October 2, 2026.

Other comparisons