Notehot.ai vs Guyun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Notehot.ai
This AI-powered writing assistant helps you generate, optimize, and polish text. It offers features like auto-writing, grammar correction, content expansion/reduction, tone adjustment, summarization, translation, and text explanation.
- AI-powered content generation
- Grammar and spelling correction
- Content optimization and expansion
- Tone adjustment
- One-click summarization
- Multi-language translation
- Text explanation
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Welcome to Notehot.ai - the ultimate solution for intelligent writing and editing. This application combines various features like auto-writing, content optimization, and grammar correction to help you complete writing tasks more efficiently. With our outstanding AI technology, we can quickly generate high-quality content for you. In Notehot.ai, you can experience exceptional language polishing and auto-writing capabilities. Our content expansion and content reduction tools can help you with flexible creation, adding or removing text as needed. Meanwhile, Notehot.ai can also adjust the tone to make your content style more suitable for specific scenario requirements. This application also provides a one-click summary function, condensing cumbersome texts into core points. With Notehot.ai's translation assistant, you can easily complete multi-language translation tasks. Moreover, the app's text explanation feature can help you analyze complex words and sentences for a deeper understanding. Notehot.ai's notes, acting as an artificial intelligence writer, aim to become your personal editing assistant. With machine learning writing technology and creative writing features, your creative process will be more enjoyable and relaxed. In addition, it can help you automatically correct spelling errors, ensuring your work is flawless. In conclusion, Notehot.ai is an application that combines advanced language processing technology and various practical tools to enhance your writing quality and efficiency. Download Notehot.ai now and embark on your intelligent writing journey! If you like Notehot.ai or have any other feedback, please take a moment to write a comment or send an email to notehotaiteams@outlook.com. This will help us continuously improve our product and provide you with a better user experience! About terms: Privacy Policy:http://ai.notehot.cn/privacypolicy.html Terms of Service:http://ai.notehot.cn/termsofservice.html
Guyun
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Guyun keeps your files in object storage you own: Alibaba Cloud OSS, Tencent Cloud COS, Qiniu, Upyun, Backblaze B2, Cloudflare R2, MinIO, or any S3-compatible service. No account system, no server of ours, no telemetry — files go straight from this device to your own bucket. The app provides no cloud space and takes no cut of your storage. ■ Why "your own storage" Most cloud drives keep your files on the vendor's servers, which decides the speed, the capacity and the price. Guyun is the other way round: the bucket, the keys and the bill are yours, and your provider bills storage and traffic at its published rates. Guyun never bills you for either. ■ What it does · Browse and manage: grid or list, sorted by name, date or size; whole-bucket search, not just the folder you are in; new folders, rename, copy, move · Upload and download: from Files or Photos, or a whole folder at once, through a queue you can pause and resume; downloads go to a folder or to Photos · iOS background transfers: files up to 200 MB go to the system as one request and finish even if you switch apps or lock the screen; larger files continue with the background time granted · Progress anywhere: a small pill shows how many transfers are running and how far along they are · Usage ledger: how much Guyun itself moved — today, this month and last month, by bucket and by device, with cellular counted separately on this device. Only this app's transfers, never your provider's bill · Storage size: measure a bucket to get its file count and total size; a large bucket can be finished over several taps, and the result stays on this device · Archive files are marked; the app asks before a restore (how long, billed by your provider, cannot be cancelled), and afterwards preview and download work as usual · Preview: zoom images, play video while it is still loading, open PDF and text · Trash: a delete moves the item to the bucket's own trash folder, where it can be restored or removed for good · Several devices: the same bucket on iPhone, iPad and Mac; hand a configuration over by scanning a code instead of typing keys · Make it yours: an icon per storage, a sidebar you can reorder, and storages you do not need hidden away (back in Settings → Storage service) · Locks: Face ID / Touch ID for the whole app or one storage; transfers keep running while locked, and turning a lock off always asks for authentication first ■ Privacy, in plain terms · No account and no server of ours: the app talks to the storage address you enter, and to nothing else · Access keys live in this device's Keychain, never uploaded to us and never synced through iCloud · Keys leave the device only when you deliberately hand a storage to another device: the handoff code contains them in plain text, so show it only to your own device and treat it like a password · No usage data collected; no third-party SDKs, no analytics, no ads · Face ID / Touch ID is handled by the system, and that data never leaves your device · Both locks are screen gates, not encryption: they keep out someone who picks up your unlocked device ■ Try it without any storage A local demo storage is built in: sample photos, a video and a PDF are generated on device. No account, no keys, no network — browse, preview, upload, rename, copy, move, delete and restore, all without a single credential. ■ What you need A bucket, and a key pair allowed to use only that bucket. Pick the service and place and the app fills in the endpoint and region; you enter the bucket name and the keys (Tencent COS also asks for the APPID ending its bucket names). Guides for every service are on our website, including an Alibaba Cloud template that creates the bucket, the RAM user and the keys at once. ■ Languages Simplified Chinese, Traditional Chinese and English (switch in Settings; applies next time you open the app). Support: contact@airdiode.com Privacy policy: https://www.godar.cn/Guyun-privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: Guyun at none against Notehot.ai's 7. Notehot.ai's advantage is iOS requirement (11.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Notehot.ai sells 7 in-app purchases, starting at $3.99 per month. Guyun asks for nothing beyond the download.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.
| Parameter | Notehot.ai | Guyun |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (9 ratings) — better | — |
| Positive reviews | 54.5% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Weekly | Weekly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 53 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Play Era | 晖 江 |
In-app purchases
Notehot.ai
- Prime Subscription$3.991 Month
- Prime Subscription$4.997 Days
- Prime Subscription7 Days trial$4.997 Days
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- Prime Subscription$12.993 Months
- Prime Subscription$39.991 Year
- Prime Subscription$19.99
- Prime Subscription$29.99
Guyun
No in-app purchases









