# Just Write vs ShelterSync

The clearest difference is in-app purchases: ShelterSync at none against Just Write's 1. ShelterSync also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Just Write sells 1 one-off in-app purchase. ShelterSync asks for nothing beyond the download.

Just Write ships an update every 11 days, ShelterSync every 3 weeks. The most recent releases landed on October 22, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Just Write | ShelterSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.8K ratings)](https://appshunter.io/ios/app/just-write-app-for-writer/id942826631/reviews)** | — |
| Number of ratings | **1.8K** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 10 MB | 22 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Tung Vu](https://appshunter.io/developer/870117448) | [Zoolytix Inc.](https://appshunter.io/developer/6778207395) |

## What reviewers say

### Just Write

[App page](https://appshunter.io/ios/app/just-write-app-for-writer/id942826631)

A minimalist text editor designed to streamline the writing process. It supports both RTF and TXT formats, offering rich text editing and Markdown support. Sync your work across devices with iCloud integration.

**Highlights:** RTF and TXT file support, Markdown styling, iCloud file syncing, Rich text editing tools, Multiple themes, Smart selection tool (iPad)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Ads | $6.99 | one-time |

**What reviewers like**

- 💻 Simple and straightforward interface
- 📁 Organized folder system
- ✨ Clean and minimalist design
- 🆓 Free to use with no ads
- ⚡️ Offline writing capability

**What reviewers complain about**

- 🐛 Occasional crashes and data loss issues
- 🔍 Difficulty finding/accessing files
- 🔧 Limited formatting and customization options
- 🖥️ Lack of syncing/cross-device support
- 🖋️ No spell check or grammar assistance

**Reported bugs**

- Frequent crashes and data loss
- Inability to reopen saved documents
- Unreliable auto-save functionality
- Compatibility issues on older devices

**Requested features**

- Add dark mode option
- Implement more font and formatting choices
- Introduce paragraph spacing and indentation controls
- Integrate spell check and grammar tools
- Enable file syncing across devices


### ShelterSync

[App page](https://appshunter.io/ios/app/sheltersync/id6778207393)

**In-app purchases:** none


## Frequently asked questions

### Is Just Write free?

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

### Is ShelterSync free?

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

### Do Just Write or ShelterSync have ads?

Just Write shows ads; ShelterSync does not.

### Which is updated more often, Just Write or ShelterSync?

Just Write ships an update every 11 days, and ShelterSync every 3 weeks. Most recently, Just Write was updated on October 22, 2026 and ShelterSync on October 8, 2026.

---

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