Comparison

TabTool vs GPM Horizon

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

Head to head
About

TabTool

Features
Read full description

By digitally managing and documenting projects with TabTool, you increase project efficiency and save valuable time! Using the mobile TabTool app, you can capture all data on site in a structured and seamless manner on your tablet or smartphone. Create professional reports with just one click! The professional SaaS cloud software combines the advantages of a mobile app with the convenience of a powerful PC application. With TabTool you will always have all the documents for a project at hand – whether in meetings, in the field or in the office. A clear file structure and intelligent cross-references ensure that you can find information quickly and intuitively from the context in which you are currently working. Real-time sync of project data on the devices of all team members and other project participants makes collaborative work more efficient. The need for consultation by mail, chat, etc. is significantly reduced because all current information and work orders for the project are available in TabTool. With the TabTool mobile app, you can use our industry solutions TabTool Photovoltaik for solar service and TabTool Bau for the construction on your tablet or smartphone. This will enable you to digitally map and document the installation and technical management of photovoltaic systems or the construction site management including construction diary, defect management and construction meetings. In addition, we also provide tailor-made TabTool configurations for the automation and documentation of your business processes. YOUR ADVANTAGES: + Seamless mobile data capture. Forget paper chaos, photo clutter and hours of rework on the PC. With TabTool, field staff can record notes, defects and photos directly on site via tablet or smartphone and locate them on stored plans. + Intelligent documentation All project data is digitally recorded in TabTool and stored in a structured manner, creating a complete project history. Intelligent search and filter functions make it easy to find data even years after a project has been completed. + Flexibly adaptable to your requirements Individually designable file types, drop-down lists and checklists as well as workflows and evaluations make it possible to flexibly adapt TabTool to the requirements of your respective projects. This makes TabTool your precise and efficient digitization tool! + Dashboards & analyses Well structured list evaluations and configurable dashboards ensure that you always have an overview of your project status as well as open tasks and processes. Display customised lists and analyses on the state of deadlines, defects and open tasks in each project phase to track the progress of your projects. + Offline functionality Thanks to TabTools offline functionality, working on the move while you’re on site is no problem. Synchronisation starts automatically as soon as your device is connected to the internet again.

About

GPM Horizon

Features
Read full description

GPM Horizon is a state-of-art monitoring tool, to get a real-time view von your wind energy assets. Use your mobile to check both the relevant technical KPIs such as production, availability, power or wind speed and also the commercial KPIs like Revenues or financial loss. Be able to start a workflow to inform or challenge the personnel at the sites any time. Inform your peers or your stakeholders about any relevant information. Increase your revenues and have a high-level overview any time.

Screenshots

TabTool4 screens
GPM Horizon3 screens

Verdict

The call

The clearest difference is update cadence: GPM Horizon at monthly against TabTool's every 2 months. GPM Horizon also leads on iOS requirement (13.0 vs 15.0). 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

TabTool ships an update every 2 months, GPM Horizon monthly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard2 real differences · 4 level
TabTool versus GPM Horizon: the parameters behind the verdict, then further details
ParameterTabToolGPM Horizon
PriceFreeFree
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.013.0 — better
Further details — not scored
Size13 MB56 MB
Age rating4+4+
DeveloperTabTool GmbHGreen Power Monitor

In-app purchases

None

TabTool

No in-app purchases

None

GPM Horizon

No in-app purchases

Questions

Is TabTool free?
TabTool is free to download, with no in-app purchases.
Is GPM Horizon free?
GPM Horizon is free to download, with no in-app purchases.
Do TabTool or GPM Horizon have ads?
Neither TabTool nor GPM Horizon shows ads.
Which is updated more often, TabTool or GPM Horizon?
TabTool ships an update every 2 months, and GPM Horizon monthly. Most recently, TabTool was updated on November 6, 2026 and GPM Horizon on November 3, 2026.

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