# ShiftSync vs MarkWrite

The clearest difference is in-app purchases: ShiftSync at none against MarkWrite's 1. ShiftSync also leads on iOS requirement (17.0 vs 26.4). MarkWrite's advantage is device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. MarkWrite sells 1 in-app purchase, starting at $9.99 per year. ShiftSync asks for nothing beyond the download.

ShiftSync ships an update every 6 weeks, MarkWrite every 4 weeks. The most recent releases landed on September 27, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ShiftSync | MarkWrite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 weeks** |
| Size | 15 MB | 16 MB |
| Requires iOS | **17.0** | 26.4 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jean Steven St Marc](https://appshunter.io/developer/1845244209) | [Guy Shaviv](https://appshunter.io/developer/301042830) |

## What reviewers say

### ShiftSync

[App page](https://appshunter.io/ios/app/shiftsync-work-scheduler/id6758892323)

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

**In-app purchases:** none


### MarkWrite

[App page](https://appshunter.io/ios/app/markwrite/id6784939089)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MarkWrite Pro | $9.99 | per year |


## Frequently asked questions

### Is ShiftSync free?

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

### Is MarkWrite free?

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

### Do ShiftSync or MarkWrite have ads?

Neither ShiftSync nor MarkWrite shows ads.

### Which is updated more often, ShiftSync or MarkWrite?

ShiftSync ships an update every 6 weeks, and MarkWrite every 4 weeks. Most recently, ShiftSync was updated on September 27, 2026 and MarkWrite on October 3, 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.*