# Heft

> AI-powered sustainable PDF reader for hobbyists and professionals. (iPhone/iPad app by Heft Tech LTD.)

- Source: https://appshunter.io/ios/app/heft/id1450655198 (this page in markdown: same URL + `.md`)
- Developer: [Heft Tech LTD](https://appshunter.io/developer/1678744610)
- Category: Lifestyle, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 13.0 · 43 MB
- Languages: American English
- Released: 2021-01-11
- Data updated: 2026-07-01
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/heft/id1450655198/reviews.md

## What is Heft?

Heft is an AI-powered sustainable PDF reader. Perfect for hobbyists and pros alike.

Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Key features

- AI-powered PDF reading
- Sustainable document interaction
- Suitable for hobbyists
- Suitable for professionals
- Optimized for Apple devices

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Plus | $1.99 | per month |


## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/heft/id1450655198/reviews.md

### 4/5 — Brilliant for knitters.

*2024-01-25, version 0.5.39*

I’ve tried many knitting apps that link with ravelry, but reading a pdf formatted for a4 isn’t very easy on a mobile. This app links with my ravelry pattern library and allows me to either choose the original pdf of one that optimised to be viewed in my mobile. It highlights key pattern info in a very clear way. Possibly good for those who have dyslexia.

### 5/5 — I made this app

*2021-02-06, version 0.4.2*

I made this app and I think it’s a five star app! Hope you enjoy it!

## Frequently asked questions about Heft

### What is Heft?

Heft is an AI-powered application designed to enhance the way you read and interact with PDF documents. It aims to provide a more sustainable and efficient reading experience for all users.

### Is Heft free to use?

Heft is available for free, but it does contain advertisements. Users can opt for in-app purchases to enhance their experience further.

### What devices does Heft support?

Heft is compatible with a wide range of Apple devices, including the Apple Watch, iPhone, iPad, and iPod. This allows for a versatile reading experience across your ecosystem.

### What is the Plus subscription for Heft?

The Plus subscription for Heft costs $1.99 per month and likely offers an enhanced experience, potentially removing ads or unlocking premium AI features. Specific benefits are detailed within the app.

### How often is Heft updated?

Heft was last updated on November 11, 2024, with version 0.5.43. This indicates a relatively active development cycle, suggesting regular improvements and bug fixes.

### What is the age rating for Heft?

Heft has an age rating of 4+, making it suitable for a broad audience, including younger users. This rating suggests content is generally appropriate for children.

### Does Heft have ads?

Yes, Heft contains advertisements. While the app is free to download and use, users will encounter ads during their experience.

### When was Heft first released?

Heft was initially released on January 11, 2021. This means the app has been available for users for several years, undergoing continuous development.

## Version history (last 5 releases)

### 0.5.43 — 2024-11-11

Upgrade frameworks.

### 0.5.39 — 2023-05-07

Fixed minor bugs!

### 0.5.38 — 2023-05-01

You can now give feedback directly in the app

### 0.5.37 — 2023-04-19

Increase device compatibility

### 0.5.36 — 2023-04-17

Fixed subscription bug

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-01.*