Currently, the mobile AI apps market is valued at $2 billion, primarily led by the success of ChatGPT and the sector continues to rise with more apps.
In 2024 alone, over 4 thousand new AI apps were released and downloads reached a staggering 1.49 billion times across all AI apps.
But what are the most popular AI apps worldwide and in the US, besides ChatGPT?
Most Popular AI Apps (Top Picks)
As of January 2025, ChatGPT ranks as the most popular AI app worldwide with 349.41 million monthly active users worldwide.
ChatGPT, Google Gemini, and Doubao were the most downloaded AI apps worldwide in 2024.
In 2024, ChatGPT became the most popular AI app in the US, recording 31 million downloads.
Most Popular AI Apps Worldwide by Monthly Active Users (January 2025)
ChatGPT was the most popular AI app in January 2025 with 349.41 million app monthly active users worldwide (excluding website users).
A total of 6 AI-first apps have an active monthly user base of 30 million and over.
Here’s a complete ranking of the most popular AI apps worldwide as of January 2025 ranked by monthly active users:
Note: Data above includes app users only, excluding website users.
Rank, App
Developer
App Monthly Active Users Worldwide
1. ChatGPT
OpenAI (US)
349.41 million
2. Doubao
ByteDance (China)
78.61 million
3. Nova
HubX (Turkey)
56.6 million
4. DeepSeek
DeepSeek (China)
33.7 million
5. Talkie AI
SubSup (Singapore)
32.8 million
6. Remini
Bending Spoons (Italy)
31.77 million
7. ChatOn
AIBY (US)
29.1 million
8. Character AI
Character Technologies (US)
28.75 million
9. Ask AI
Ai Search (US)
28.35 million
10. Chatbot App
HubX (Turkey)
25.65 million
11. FaceApp
HubX (Turkey)
25.35 million
12. Hypic
ByteDance (China)
19.95 million
13. Kimi
Moonshot AI (China)
19.43 million
14. AI Mirror
Polyverse (US)
19.37 million
15. Google Gemini
Google (US)
19.18 million
16. Genius
No data available
16.67 million
17. Umax
No data available
16.11 million
18. Luzia
Luzia (Spain)
16.04 million
19. Photoroom
Photoroom (France)
13.67 million
20. AI Chatbot
No data available
13.49 million
Source: Aicpb
Most Popular AI Apps by Downloads Worldwide (2024)
ChatGPT was the most downloaded AI app in 2024 by far with 250.1 million installs worldwide, followed by Gemini and Doubao.
Here’s a complete table of the most downloaded AI apps across iOS and Google Play worldwide in 2024:
Note: Download estimates above include data for 99 countries and the total number of worldwide downloads may differ.
Rank, App
Downloads Worldwide (2024)
1. ChatGPT
250.1 million
2. Google Gemini
81.5 million
3. Doubao
No data available
4. Microsoft Copilot
No data available
5. Nova
31.7 million
6. ChatOn
29.6 million
7. Chatbot AI
29.2 million
8. Talkie
27.9 million
9. Character AI
27.9 million
10. Genius
23.2 million
Source: Analysis of Sensor Tower, Appfigures data
Most Popular AI Apps by Downloads in the US (2024)
In 2024, ChatGPT was the most downloaded AI app in the US with 31 million downloads, followed by Microsoft Copilot and Google Gemini.
Here’s a complete list of the most downloaded AI apps in the US in 2024:
Rank, App
Downloads in the US (2024)
1. ChatGPT
31 million
2. Microsoft Copilot
No data available
3. Google Gemini
7 million
4. PolyBuzz
6.5 million
5. Question.AI
6.5 million
6. Talkie
6 million
7. Character AI
5.4 million
8. ChatOn
5.4 million
9. Linky AI
3.52 million
10. Future Baby Generator: Cosplay
2.72 million
Source: Analysis of Sensor Tower, Appfigures data
Most Popular AI Apps by Downloads in the US in First 18 Days Since Launch in the App Store
ChatGPT’s US launch ranked #1 with 1.4 million downloads in the App Store in the first 18 days since app release, followed by Google Gemini (951 thousand) and Microsoft Copilot (518 thousand).
Here’s the complete list of the most downloaded AI apps in the US in the first 18 days of release for each app:
Rank, App
Downloads in the US (First 18 Days)
1. ChatGPT
1.4 million
2. Google Gemini
951 thousand
3. Microsoft Copilot
518 thousand
4. DeepSeek
384 thousand
5. Grok
256 thousand
6. Claude
132 thousand
Source: Appfigures
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