Comparison

Open as App vs NucleApp

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

Head to head
About

Open as App

Transform spreadsheets into powerful, customizable mobile and web apps for teams. Digitize processes, improve speed, and reduce errors with a no-code solution. Build and share apps instantly, working offline and in real-time across platforms.

Highlights
  • Spreadsheet to app conversion
  • No-code app builder
  • Offline app access
  • Real-time collaboration
  • Customizable app templates
  • Cross-platform compatibility
Features
Read full description

Open as App enables teams to turn spreadsheets into powerful, customizable apps they can Open as App enables teams to turn spreadsheets into powerful, customizable apps they can use on the go, even offline. Depending on your business needs, you can now digitize processes, work much faster, avoid human errors, and much more without investing in development. Through our no-code solution, you built your app yourself. It's easy. All you need is Excel, Google Sheets, or other databases that serve as your app's base. Upload your file or use a template. Open as App will recognize the logic and creates your app automatically. Once you are finished, you publish your app, share it, and work with it in real time on any platform. Whether you work in Finance, Manufacturing, Health, Education, Insurance, Management, or other, you can create service quotes through your apps and have them signed on the spot, invoices on-site, pricing plans, product catalogs, dashboards, budget reports, finance reports, company performance, contact lists, inventory lists, project lists, time-tracking, recording of billable hours, customer surveys and more. Start building incredible mobile and web calculators, dashboards, lists, and surveys now!Start building incredible mobile and web calculators, dashboards, lists, and surveys now!

About

NucleApp

Create professional mobile apps without coding using a drag-and-drop interface and over 80 templates. This platform makes app development accessible to everyone, empowering you to bring your ideas to life.

Highlights
  • No-code app development
  • Drag-and-drop interface
  • 80+ app templates
  • Screen builder
  • App link creation
  • Intuitive design
Features
Read full description

What is NucleApp? NucleApp is a dynamic platform to build apps without the need for any programming/coding knowledge or technical skills. It helps users to create any type of app with simple and easy steps. It can create professional-level apps with equipped tools and can be used by any iOS, Web apps and other mobile platform apps for free. NucleApp has strong expertise from ‘SurveyHeart’ which is another successful company run by the Same Founder. With NucleApp, the world of app development becomes accessible to everyone. Empower your creativity and turn your ideas into reality with this revolutionary app creation platform. Start building your app today and unlock the limitless possibilities of mobile technology. Why NucleApp? Easy-to-use Interface: The interface is intuitive and easy to use. You don't need any technical skills to get started. Our app provides a clean and user-friendly interface that guides you through the entire app creation process. You can easily navigate through various sections and modules to build your desired app. Intuitive Drag-and-Drop Interface: NucleApp simplifies the app development process by providing a visual drag-and-drop interface. You can effortlessly design and arrange app screens, buttons, images, and other elements to create a stunning and professional-looking app. App Templates: Choose from a wide variety of pre-built 80+ app templates that cater to different industries and app types. These templates provide a solid foundation for your app and save you time in designing its basic structure. You can customize and personalize these templates according to your requirements. Discover our extensive collection of categorized pre-built app templates including Real estate, art & Fashion, Lifestyle & Wellness, Transportation, Content Creation, Reading & literature, organization & productivity, Education, Events & planning, communication & contacts, Cooking & Food, Sports, Technology & Design, Health & Wellness, Travel & Tourism, Business & Employment, News and Information, Shopping, Photography & Creativity and etc., Screen Builder: The screen builder typically provides a visual representation of the app screen or page being designed. It may resemble the final appearance of the app, allowing developers to see a real-time preview as they make changes. App Builder: The app builder provides the functionality to search the screens created by the user. With this feature, users can easily manage and navigate through their collection of screens by applying sorting options based on criteria such as screen name, creation date, or other relevant parameters. Additionally, users can utilize the search functionality to quickly find specific screens by entering keywords or filters, making it efficient to locate and work with the desired screens within the app builder. App Link Creation: After Publishing the app, it typically generates a unique link that serves as the access point for your app. This link can be shared with your users, friends, or potential customers, allowing them to easily access and install the app. The generated link serves as a gateway to your app and can be distributed through various channels. You can share the link via messaging apps, email, and social media platforms, or even embed it on your website. By sharing the link, you enable others to directly download and install your app on their devices. It also provides options to submit your app to official app stores. Preview: This feature provides a real-time representation of how the screen will look. This allows for immediate feedback and evaluation of the screen's appearance and functionality, enabling users to identify any necessary adjustments or refinements. Previewing the screen helps ensure a polished and user-friendly experience by allowing developers to iteratively fine-tune the design and achieve the desired look and feel before proceeding with further development or publishing the app.txt

Screenshots

Open as App4 screens
NucleApp4 screens

Verdict

The call

The clearest difference is rating: Open as App at 4.3 against NucleApp's 3.6. Open as App also leads on update cadence (every 5 weeks vs every 3 months) and review sentiment (78% vs 69%). NucleApp's advantage is monetization model (free vs freemium). On price, ratings volume, ads and in-app purchases 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.

ReceptionRating · Positive reviews · Number of ratings

Open as App holds the better App Store score, 4.3 against 3.6. Both are backed by a comparable volume of ratings — 37 and 13 respectively. Written reviews point the same way: 78% of Open as App's written reviews are positive against 69% of NucleApp's.

UpkeepUpdate frequency

Open as App ships an update every 5 weeks, NucleApp every 3 months. The most recent releases landed on October 9, 2026 and September 29, 2026 respectively.

Scorecard5 real differences · 5 level
Open as App versus NucleApp: the parameters behind the verdict, then further details
ParameterOpen as AppNucleApp
PriceFreeFree
Rating4.3 (37 ratings) — better3.6 (13 ratings)
Positive reviews77.8% of reviews — better69.2% of reviews
Number of ratings37 — better13
Update frequencyEvery 5 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreemiumFree — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size145 MB104 MB
Age rating4+17+
DeveloperOpen as App GmbHNucleApp Software Private Limited

Customer experience

Open as App

All ratings37 ratings
Positive83.8%
Neutral0.0%
Negative16.2%
Written reviews36 reviews
Positive77.8%
Neutral2.8%
Negative19.4%

NucleApp

All ratings8 ratings
Positive75.0%
Neutral12.5%
Negative12.5%
Written reviews13 reviews
Positive69.2%
Neutral15.4%
Negative15.4%

In-app purchases

None

Open as App

No in-app purchases

None

NucleApp

No in-app purchases

Questions

Is Open as App free?
Open as App is free to download, with no in-app purchases.
Is NucleApp free?
NucleApp is free to download, with no in-app purchases.
Which has better reviews, Open as App or NucleApp?
Open as App is rated higher. Open as App averages 4.3 out of 5 from 37 ratings, while NucleApp averages 3.6 from 13 ratings.
Do Open as App or NucleApp have ads?
Neither Open as App nor NucleApp shows ads.
Which is updated more often, Open as App or NucleApp?
Open as App ships an update every 5 weeks, and NucleApp every 3 months. Most recently, Open as App was updated on October 9, 2026 and NucleApp on September 29, 2026.

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