# Letterly vs ZenFlow AI Markdown Editor

The clearest difference is device support: Letterly at 4 against ZenFlow AI Markdown Editor's 2. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Letterly sells 9 in-app purchases, starting at $19.99 per month and ZenFlow AI Markdown Editor sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Letterly ships an update every 10 days, ZenFlow AI Markdown Editor fortnightly. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Letterly | ZenFlow AI Markdown Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.1K ratings)](https://appshunter.io/ios/app/letterly-ai-note-taker/id6464049772/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 78.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 10 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 95 MB | 70 MB |
| Requires iOS | **16.0** | 16.6 |
| Devices | **iPhone, iPad, Mac, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Anton Lebedev](https://appshunter.io/developer/1763234652) | [发亮 刘](https://appshunter.io/developer/1830179467) |

## 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


### ZenFlow AI Markdown Editor

[App page](https://appshunter.io/ios/app/zenflow-ai-markdown-editor/id6789410391)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZenFlow Pro Monthly | $1.99 | per month |
| ZenFlow Pro Annual | $5.99 | per year |
| ZenFlow Pro | $8.99 | one-time |


## Frequently asked questions

### Is Letterly free?

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

### Is ZenFlow AI Markdown Editor free?

ZenFlow AI Markdown Editor is free to download, with in-app purchases available.

### Do Letterly or ZenFlow AI Markdown Editor have ads?

Neither Letterly nor ZenFlow AI Markdown Editor shows ads.

### Which is updated more often, Letterly or ZenFlow AI Markdown Editor?

Letterly ships an update every 10 days, and ZenFlow AI Markdown Editor fortnightly. Most recently, Letterly was updated on October 27, 2026 and ZenFlow AI Markdown Editor 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.*