# SFD vs Humanize AI

The clearest difference is iOS requirement: Humanize AI at 15.5 against SFD's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SFD sells 1 one-off in-app purchase and Humanize AI sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | SFD | Humanize AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sfd-write-it-bad/id6778871291/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | — |
| Monetization | Paid | — |
| Size | 3 MB | 89 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Daniel James Kinney-Spears](https://appshunter.io/developer/6778614359) | [CHAKO LTD](https://appshunter.io/developer/6785997367) |

## What reviewers say

### SFD

[App page](https://appshunter.io/ios/app/sfd-write-it-bad/id6778871291)

This app helps you overcome writer's block by forcing you to write a first draft without the ability to edit or reread. It uses timed bursts and nudges to keep you moving forward, allowing you to flag sections for later revision.

**Highlights:** Forward-only writing, Timed writing bursts, Cursor nudges for stalls, Flagging sections for revision, Plain text export, Offline functionality

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SFD Habit Tracking | $0.99 | one-time |


### Humanize AI

[App page](https://appshunter.io/ios/app/humanize-ai-rewrite-and-detect/id6792274493)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $8.99 | per month |
| Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is SFD free?

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

### Is Humanize AI free?

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

### Do SFD or Humanize AI have ads?

Neither SFD nor Humanize AI shows ads.

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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.*