# HeartWrite vs Threadline

The clearest difference is ads: Threadline at none against HeartWrite's shown. Threadline also leads on iOS requirement (15.0 vs 26.0). HeartWrite's advantage is update cadence (daily vs every 3 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. HeartWrite sells 2 in-app purchases, starting at $1.99 per 7 days and Threadline sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

HeartWrite ships an update daily, Threadline every 3 weeks. The most recent releases landed on September 24, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | HeartWrite | Threadline |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/heartwrite/id6755227933/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 209 MB | 32 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yupeng Wei](https://appshunter.io/developer/1532746165) | [Kynera Studios LLC](https://appshunter.io/developer/6786725850) |

## What reviewers say

### HeartWrite

[App page](https://appshunter.io/ios/app/heartwrite/id6755227933)

This AI writing companion helps you craft heartfelt messages for any occasion. Generate personalized notes and unique card images with ease, all while keeping your words private and secure. Supports multiple languages and writing styles.

**Highlights:** AI-powered note generation, Unique AI-generated card images, Multiple writing tones and styles, End-to-end encryption, Multi-language support, Home screen widgets

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| HeartWrite Plus Annual Subscription | $34.99 | per year |


### Threadline

[App page](https://appshunter.io/ios/app/threadline-quilt-planner/id6791800250)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Threadline Studio | $19.99 | one-time |


## Frequently asked questions

### Is HeartWrite free?

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

### Is Threadline free?

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

### Do HeartWrite or Threadline have ads?

HeartWrite shows ads; Threadline does not.

### Which is updated more often, HeartWrite or Threadline?

HeartWrite ships an update daily, and Threadline every 3 weeks. Most recently, HeartWrite was updated on September 24, 2026 and Threadline on September 18, 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.*