Best AI Tools in Japan 2025
Apr 2025
Discover The Top 50 AI Products
Check out the top ranking list of the best AI products in Japan. Compare traffic, market shifts and growth trends.
Key Takeaways
Fast Growing Top AI Tools in April 2025
DomoAI's lead highlights the demand for creative AI. 🎨 Gemini 2.5 Pro Preview and ElsaSpeak show language AI's rising popularity. 🗣️
AI Products Facing Sharply Declined Traffic in April 2025
Declines in 'Japanese AI Novelist,' 'chichi-pui,' & 'PixAI' signal a user shift. 📉 Competition in AI art & writing tools is intensifying. ✍️
Ranking List
| Rankings | Monthly Visits | ||
 | DeepL | 22.3M | |
 | Gemini 2.5 Pro Preview 05-06 | 21.1M | |
 | Seaart.ai | 6.2M | |
4 | Perplexity AI | 5.7M | |
5 | chichi-pui | 5.5M | |
6 | PixAI - AI Art Generator | 4M | |
7 | Claude AI | 3.4M | |
8 | Civitai | 2.7M | |
9 | HEROZ | 1.7M | |
10 | HubSpot | 1.7M | |
11 | NovelAI - The AI Storyteller | 1.5M | |
12 | Notta | 1.4M | |
13 | Japanese AI Novelist | 1.2M | |
14 | Monica - Your ChatGPT AI Assistant Chrome Extension | 747.2K | |
15 | 123RF | 689.4K | |
16 | 123RF | 689.4K | |
17 | Candy.ai | 675K | |
18 | GVA NDAチェック | 584.3K | |
19 | STUDIO AI | 497.4K | |
20 | Mirai Translator | 344.5K | |
21 | Goodnotes | 322.9K | |
22 | Microsoft Designer | 246.3K | |
23 | tl;dv | 166.7K | |
24 | Live3D | 163.5K | |
25 | Mapify | 147.8K | |
26 | Clothoff.io | 146.5K | |
27 | GitMind Chat | 128.9K | |
28 | Consensus | 117.2K | |
29 | Akool AGI Content Platform | 116.1K | |
30 | BeautyPlus | 107.6K | |
31 | Dify | 101.5K | |
32 | Luma AI Dream Machine 1.6: Luma Photon | 99.5K | |
33 | elsaspeak | 87K | |
34 | Stability AI Stable Diffusion 3.5 | 85.4K | |
35 | LANDR: Creative Tools for Musicians | 84K | |
36 | DomoAI | 82.8K | |
37 | Language Reactor | 78.7K | |
38 | オーダーメイドAI | 74.9K | |
39 | Clipdrop | 74.2K | |
40 | Seismic | 71K | |
41 | Readable | 67.7K | |
42 | TopMediai® | 66.1K | |
43 | TopMediai | 66.1K | |
44 | Glasp | 61.8K | |
45 | TxGemma | 59.7K | |
46 | Evoto | 54.3K | |
47 | Mage | 53.7K | |
48 | LightPDF | 53.6K | |
49 | Lingvanex | 50.9K | |
50 | NijiJourney | 48.8K |
Top 5 Growing AI Tools - Trends & Analysis
No.1 - DomoAI: Gained 62.6K monthly visit growth and 11.2% growth rate
DomoAI experienced significant growth likely due to its recognition as a Trend-Setting Product of 2025, highlighting its comprehensive AI services. Its specialization in transforming images and videos into creative formats, especially anime styles, also likely contributed to user interest and traffic.
No.2 - Gemini 2.5 Pro Preview 05-06: Gained 66.4M monthly visit growth and 19.4% growth rate
Gemini 2.5 Pro Preview experienced a moderate growth of 32.3%, likely driven by its availability in Google AI Studio and Gemini Advanced, as announced in April 2025. The model's enhanced AI capabilities and accessibility to developers and users contributed to the increase in visits.
No.3 - elsaspeak: Gained -303.4K monthly visit growth and -16.8% growth rate
ELSA Speak experienced moderate growth likely due to its continued focus on improving English pronunciation through AI-powered features. The recent funding rounds, totaling $60M, may have enabled further development and marketing efforts, contributing to increased user acquisition.
No.4 - Clothoff.io: Gained 326.3K monthly visit growth and 16.4% growth rate
Clothoff.io experienced moderate growth possibly due to its AI-powered photo undressing features, which offer fast and realistic results. The platform's availability across multiple platforms like Telegram, websites, and smartphone applications may have also contributed to increased user engagement.
No.5 - Goodnotes: Gained -215.9K monthly visit growth and -9.2% growth rate
Goodnotes experienced moderate growth likely due to continued feature updates like the Tape tool, enhancing user experience. Positive reviews and comparisons highlighting its strengths against competitors such as Notability may have also contributed to user acquisition and retention.
Frequently Asked Questions
The rankings are based on monthly traffic data from the third-party platform Similarweb, which ranks products by the number of visits to their websites during a given month. The results are not influenced by any commercial partnerships or advertising, and no subjective evaluations are involved, ensuring the objectivity and fairness of the rankings.To elaborate, our research indicates that websites are a common and important way to use AI tools, so this ranking primarily uses website traffic as an objective metric. The goal is to help users understand the growth trends and changes of top AI products and make it easier to choose the right tools. However, it is inevitable that some AI products, which offer services in other forms, might have their actual traffic unaccounted for.