Letterly vs HOSFU
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Letterly
Instantly transform your speech into polished text for notes, messages, social media, and more. Organize with custom tags, use offline, and choose from over 25 rewrite styles. Supports over 90 languages and syncs across all your devices.
- Speech to text transcription
- Customizable text rewriting
- Note organization with tags
- Offline recording
- Multi-language support
- Cross-device syncing
- Audio file upload transcription
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Turn your speech into brilliant text – instantly. Write anything, anytime. Perfect for notes, messages, emails, meeting summaries, journal entries, social media posts, and much more. Find your own unique use case! HOW IT WORKS This isn’t just a transcription tool. Just record any speech, and get polished, ready-to-use text immediately. USE CASES - Note-taking: ideas, to-dos, shopping lists, plans - Communication: messages, emails, comments - Content creation: social media posts, articles, newsletters, scripts - Journaling: thoughts, emotions, memories, gratitude - Meetings: summaries, minutes, action plans USEFUL FEATURES - Tags: organize notes with custom tags for easy navigation - Offline mode: capture thoughts anytime, even without internet - Any device: iPhone, Web, Mac, or iPad – notes stay synced across all platforms - Rewrite options: choose from 25+ premade rewrite styles or create your own - 90+ languages: speak freely – language is detected automatically - Widget: start recording instantly from your home screen - Translate: convert voice notes to any language in seconds - Quick sharing: send your text anywhere via Share button or integrations like Zapier - Audio upload: transcribe recordings made outside the app - Long recordings: record up to 90 minutes per note with unlimited recordings Download and try it today! We’ve designed the app to be simple, intuitive, and perfect for daily use. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
HOSFU
This app transforms pelvic floor training into an engaging game. It uses smart hardware to guide users through fun challenges, track progress, and improve muscle strength and control. Designed for various users, it makes health improvement an enjoyable experience.
- Interactive game-based training
- Smart hardware integration
- Progress tracking and feedback
- Customizable goals
- Suitable for postpartum recovery
- Enhances muscle strength and control
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【HOSFU 让盆底训练变成趣味游戏】 HOSFU是一款结合智能硬件的互动游戏APP，让盆底肌训练告别枯燥，变成轻松有趣的挑战！你可以在游戏中完成训练任务，挑战不同关卡，解锁成就，不知不觉提升盆底肌力量、增强控制力。 核心玩法： 趣味闯关：跟随节奏、完成动作，挑战你的肌肉反应力 智能反馈：精准记录训练情况，科学指导进步 个性成长：设定目标，逐步提升盆底肌耐力与协调性 健康管理：适用于产后恢复、运动增强、久坐人群 让训练变得像游戏一样有趣，随时随地挑战自己，开启健康新体验！
Screenshots
Verdict
The clearest difference is rating: Letterly at 4.7 against HOSFU's 2.0. Letterly also leads on ratings volume (1.1K vs 4) and update cadence (every 10 days vs monthly). HOSFU's advantage is in-app purchases (none vs 9) and iOS requirement (13.0 vs 16.0). On price and ads 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. Letterly sells 9 in-app purchases, starting at $19.99 per month. HOSFU asks for nothing beyond the download.
Letterly holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: Letterly has 1.1K ratings behind it against 4, so its average is the more settled of the two.
Letterly ships an update every 10 days, HOSFU monthly. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.
| Parameter | Letterly | HOSFU |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (1.1K ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 78.1% of reviews | — |
| Number of ratings | 1.1K — better | 4 |
| Update frequency | Every 10 days — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, Mac, Apple Watch — better | iPhone, iPod |
| Requires iOS | 16.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 95 MB | 31 MB |
| Age rating | 4+ | 4+ |
| Developer | Anton Lebedev | 俊 胡 |
Customer experience
Letterly
HOSFU
Bugs and requests
Letterly
Reported bugs
3 issues- Login screen freezes
- Incompatible with older devices
- When I get phone calls, I lose the entire recording
Requested features
3 requests- Dark mode option
- Advanced analytics dashboard
- Ability to use the artificial intelligence to search through all of my old notes for similar topics or keywords
HOSFU
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Letterly
- PRO Subscription (1 month)$19.991 Month
- PRO Subscription (3 months)$44.903 Months
- PRO Subscription (1 Year)7 Days trial$69.991 Year
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- PRO Subscription (1 Year)7 Days trial$79.991 Year
- PRO Subscription (1 Year)7 Days trial$89.991 Year
- PRO Subscription (12 months)7 Days trial$99.991 Year
- PRO Subscription (12 months)14 Days trial$99.991 Year
- PRO Subscription (Lifetime)$199.99
- PRO Subscription (Lifetime)$249.99
HOSFU
No in-app purchases
