# SurvSync vs SiteWrite

The clearest difference is update cadence: SiteWrite at every 4 days against SurvSync's every 3 weeks. SurvSync's advantage is iOS requirement (13.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SurvSync ships an update every 3 weeks, SiteWrite every 4 days. The most recent releases landed on September 8, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | SurvSync | SiteWrite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 4 days** |
| Size | 85 MB | 27 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SurvTech Ltd](https://appshunter.io/developer/1291912984) | [SiteWrite Ltd](https://appshunter.io/developer/6780921091) |

## What reviewers say

### SurvSync

[App page](https://appshunter.io/ios/app/survsync/id6747404472)

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

**In-app purchases:** none


### SiteWrite

[App page](https://appshunter.io/ios/app/sitewrite/id6780921089)

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

**In-app purchases:** none


## Frequently asked questions

### Is SurvSync free?

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

### Is SiteWrite free?

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

### Do SurvSync or SiteWrite have ads?

Neither SurvSync nor SiteWrite shows ads.

### Which is updated more often, SurvSync or SiteWrite?

SurvSync ships an update every 3 weeks, and SiteWrite every 4 days. Most recently, SurvSync was updated on September 8, 2026 and SiteWrite on September 24, 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.*