Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
on demand
Grammar usage guide and real-world examplesUSAGE SUMMARY
"on demand" is correct and usable in written English.
You can use the phrase "on demand" to describe something that is done upon request. For example: "The library offers ebook checkouts on demand."
✓ Grammatically correct
News & Media
Formal & Business
Science
Wiki
Alternative expressions(20)
as requested
when required
upon request
on request
as needed
custom-made
accessible anytime
available immediately
instantly available
is equivalent to
in the wishes of
rapidly thereafter
for the immediate future
Very soon
somewhere later
one week before
at the early time
in the next weeks
it is important to remember
during the previous years
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
38 human-written examples
That's talent on demand.
News & Media
Price on demand?
News & Media
Video on demand.
News & Media
Everything would be on demand.
News & Media
Print on demand.
Academia
Offered on demand.
Academia
Human-verified similar examples from authoritative sources
Similar Expressions
22 human-written examples
On-demand print runs.
News & Media
People want on-demand, people.
News & Media
It's like piracy-on-demand.
News & Media
They live in an on-demand world".
News & Media
The energizer delivers on-demand urge.
News & Media
Expert writing Tips
Best practice
Use "on demand" to clearly communicate that a service, product, or resource is available whenever a user needs it. This emphasizes flexibility and immediate access.
Common error
While "on demand" is widely accepted, it can sound less formal than alternatives like "upon request" or "when required" in professional or academic writing. Consider the tone and audience when selecting your wording.
Linguistic Context
The phrase "on demand" primarily functions as an adjective phrase modifying a noun, indicating that the noun (service, product, etc.) is available immediately or when requested. As Ludwig AI confirms, it is grammatically correct and widely used.
Frequent in
News & Media
42%
Formal & Business
20%
Wiki
15%
Less common in
Science
13%
Academia
5%
Encyclopedias
0%
Ludwig's WRAP-UP
In summary, the phrase "on demand" is a versatile and grammatically sound term used to describe services, products, or resources available immediately or when requested. Ludwig AI validates its correctness and widespread use, spanning across various contexts from news and media to business and technology. While generally neutral in register, it’s crucial to consider the audience and opt for more formal alternatives like "upon request" in professional settings. With its emphasis on accessibility and convenience, understanding its proper usage ensures effective communication in diverse writing scenarios.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
as requested
This alternative directly implies that something is provided according to a specific request.
when required
Focuses on the necessity or requirement for something to be available or performed.
upon request
Similar to "as requested" but slightly more formal in tone.
as needed
Emphasizes the availability of something based on necessity.
at one's convenience
Highlights the user's control over when something is provided.
tailored to requirements
This emphasizes customization based on specific individual needs.
custom-made
Emphasizes that something is specifically created or altered to fit one's specific needs.
accessible anytime
Focuses on the continuous availability of something.
available immediately
Highlights the promptness of availability.
instantly available
Similar to "available immediately" but with a stronger emphasis on speed.
FAQs
How can I use "on demand" in a sentence?
You can use "on demand" to describe services or products that are available immediately when requested, such as "video "on demand"" or "print on demand".
What are some alternatives to the phrase "on demand"?
Alternatives include phrases like "as requested", "when required", or "upon request", depending on the specific context and desired level of formality.
Is it correct to say "demanding" instead of "on demand"?
While "demanding" can refer to making a request, it doesn't convey the same meaning as "on demand", which implies immediate availability or fulfillment of a request. "Demanding" refers to the act of requesting, while "on demand" describes the availability.
What's the difference between "on request" and "on demand"?
"On request" implies that something will be provided if asked for, while "on demand" suggests that it is readily available and can be accessed immediately without needing to explicitly ask.
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