Rolls vs First Step
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Rolls
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The Rolls-Royce Introduction to Gas Turbine Technology App will introduce you to gas turbine technology and its evolution throughout Rolls-Royce businesses. The Rolls-Royce Introduction to Gas Turbine Technology App includes: โข An introduction to gas turbine technology principles. โข The key elements of a gas turbine. โข How gas turbine technology is used in Rolls-Royce.
First Step
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An electronic developmental scale focuses on identifying the aspect that represents apparent delay in the condition, specifying it by measuring against the natural development of children from the age of 1 to 18, encompassing psychological, cognitive, motor, and functional development, followed by speech and language development in the condition, as well as any developmental or sensory disorders (motor, visual, auditory). This is achieved through the response of the parent or caregiver to diverse questions on the application, according to the chronological age of the individual, enabling us to determine the extent of development in the aforementioned aspects or the degree of delay compared to the normal growth and acquisition rate. The application provides an indicator of a delay in one or more of these aspects. The scale includes 360 questions distributed across 5 skills: 1. Communication Skills 2. Academic and Functional Skills 3. Functional Skills 4. Social Skills 5. Motor Skills Estimated time for the application: 30 minutes Languages: Arabic, English, Russian The methodology was tested and translated by the Ural Federal University (the Russian Federation).
Screenshots
Verdict
The clearest difference is iOS requirement: Rolls at 9.0 against First Step's 12.0. On price, ads, 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.
| Parameter | Rolls | First Step |
|---|---|---|
| Price | Free | Free |
| Update frequency | โ | Weekly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 โ better | 12.0 |
| Further details โ not scored | ||
| Size | 70 MB | 75 MB |
| Age rating | 4+ | 17+ |
| Developer | Rolls-Royce Holdings Plc | Zayed Higher Organization for People of Determination |
In-app purchases
Rolls
No in-app purchases
First Step
No in-app purchases









