# Letterly vs HOSFU

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.

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.

## The numbers

| Metric | Letterly | HOSFU |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/letterly-ai-note-taker/id6464049772/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/hosfu/id6742998400/reviews) |
| Number of ratings | **1.1K** | 4 |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 10 days** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 95 MB | 31 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anton Lebedev](https://appshunter.io/developer/1763234652) | [俊 胡](https://appshunter.io/developer/1789563109) |

## What reviewers say

### Letterly

[App page](https://appshunter.io/ios/app/letterly-ai-note-taker/id6464049772)

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.

**Highlights:** Speech to text transcription, Customizable text rewriting, Note organization with tags, Offline recording, Multi-language support, Cross-device syncing, Audio file upload transcription

**Features:** Apple Watch app

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Subscription (1 month) | $19.99 | per month |
| PRO Subscription (3 months) | $44.90 | per 3 months |
| PRO Subscription (1 Year) | $69.99 | per year |
| PRO Subscription (1 Year) | $79.99 | per year |
| PRO Subscription (1 Year) | $89.99 | per year |
| PRO Subscription (12 months) | $99.99 | per year |
| PRO Subscription (12 months) | $99.99 | per year |
| PRO Subscription (Lifetime) | $199.99 | one-time |
| PRO Subscription (Lifetime) | $249.99 | one-time |

**What reviewers like**

- 🚀 Quick, easy, and consistent
- 👍 Fantastic application
- 👍 Game-changing app
- 👍 Admissions
- 👍 My go-to app

**What reviewers complain about**

- 🐛 Hopeless info and double charged
- 🐛 A scam
- 🐛 Big Promise, Big Fizzle
- 🐛 NO! NO! NO!
- 🐛 Formatting

**Reported bugs**

- Login screen freezes
- Incompatible with older devices
- When I get phone calls, I lose the entire recording

**Requested features**

- 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

[App page](https://appshunter.io/ios/app/hosfu/id6742998400)

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.

**Highlights:** Interactive game-based training, Smart hardware integration, Progress tracking and feedback, Customizable goals, Suitable for postpartum recovery, Enhances muscle strength and control

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Letterly free?

Letterly is free to download, with in-app purchases available.

### Is HOSFU free?

HOSFU is free to download, with no in-app purchases.

### Which has better reviews, Letterly or HOSFU?

Letterly is rated higher. Letterly averages 4.7 out of 5 from 1.1K ratings, while HOSFU averages 2.0 from 4 ratings.

### Do Letterly or HOSFU have ads?

Neither Letterly nor HOSFU shows ads.

### Which is updated more often, Letterly or HOSFU?

Letterly ships an update every 10 days, and HOSFU monthly. Most recently, Letterly was updated on October 30, 2026 and HOSFU on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*