Let you know vs Notify
When to use each in English, with meaning, register, and examples.
Let you know
Top 1,000 (very common)
Notify
Top 2,000 (common)C1verb
Most common: Let you know
| Let you know | Notify | |
|---|---|---|
| Pronunciation | 🇬🇧 //lɛt jʊ nəʊ//🇺🇸 //lɛt jə noʊ// | 🇬🇧 /["/ˈnəʊtɪfaɪ/","/ˈnəʊtɪfaɪz/","/ˈnəʊtɪfaɪd/","/ˈnəʊtɪfaɪɪŋ/"]/🇺🇸 /["/ˈnəʊtɪfaɪ/","/ˈnəʊtɪfaɪz/","/ˈnəʊtɪfaɪd/","/ˈnəʊtɪfaɪɪŋ/"]/ |
| Meaning | To tell someone information later. | to tell someone about something |
| Example | I will let you know as soon as I have more information. | Competition winners will be notified by post. |
| Register | Neutral | Neutral |
| How common | Top 1,000 (very common) | Top 2,000 (common) |
| CEFR level | - | C1 |
| Part of speech | verb | |
| Collocations | let you know later, let you know soon, let you know when, let you know tomorrow | forthwith, immediately, promptly, be obliged to, be required to, must, of, to |
| Antonyms | - | ignore, neglect, overlook |
| Common mistakes | Using 'let you know' instead of 'let me know' when speaking about oneself., Confusing 'let you know' with 'let you see' – they have different meanings., Forgetting to follow up on the promise to inform someone. | Using 'notify' without an object (e.g., saying 'I will notify' instead of 'I will notify you')., Confusing 'notify' with 'inform' — while similar, 'notify' implies a more formal notification., Mixing up prepositions (e.g., saying 'notify with' instead of 'notify about') |
| Usage notes | Commonly used in informal speech to indicate that you'll inform someone about something. Suitable in both personal and professional contexts. | Use 'notify' in situations where you are formally informing someone, like in business or official contexts. Avoid in casual conversations. |
See it in real clips
Frequently asked questions: Let you know vs Notify
What's the difference between Let you know and Notify?
Let you know: To tell someone information later. Notify: to tell someone about something
Which is more common: Let you know and Notify?
Let you know is the most common in everyday English.
Can you show an example of each?
Let you know: I will let you know as soon as I have more information. Notify: Competition winners will be notified by post.
Can I use Let you know and Notify interchangeably?
Not always. Let you know and Notify are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.