# PREF Sync vs Profile Construct

The clearest difference is in-app purchases: PREF Sync at none against Profile Construct's 2. PREF Sync also leads on iOS requirement (11.4 vs 15.0). Profile Construct's advantage is update cadence (every 4 days vs every 6 months). On price, ads and device support there is nothing between them.

Both are free to download. Profile Construct sells 2 in-app purchases, starting at $4.99 per month. PREF Sync asks for nothing beyond the download.

PREF Sync ships an update every 6 months, Profile Construct every 4 days. The most recent releases landed on September 19, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PREF Sync | Profile Construct |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/profile-construct/id6755687789/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 16 MB | 201 MB |
| Requires iOS | **11.4** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESQUADGROUP SOLUCOES E TECNOLOGIA LTDA](https://appshunter.io/developer/568397241) | [aibek dzhumaliev](https://appshunter.io/developer/1855557846) |

## What reviewers say

### PREF Sync

[App page](https://appshunter.io/ios/app/pref-sync/id1444779144)

**In-app purchases:** none


### Profile Construct

[App page](https://appshunter.io/ios/app/profile-construct/id6755687789)

This app helps professionals quickly estimate the cost of PVC and aluminum windows. It features a visual editor for complex designs and instant cost calculations for materials and hardware. Save and export projects for clients.

**Highlights:** Visual Window Editor, Unlimited Project Creation, Instant Cost Calculation, Project Library (PRO), PDF Export (PRO), Flexible Pricing, Offline Functionality

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Profile Construct | $4.99 | per month |
| Profile Construct | $34.99 | per year |


## Frequently asked questions

### Is PREF Sync free?

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

### Is Profile Construct free?

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

### Do PREF Sync or Profile Construct have ads?

Neither PREF Sync nor Profile Construct shows ads.

### Which is updated more often, PREF Sync or Profile Construct?

PREF Sync ships an update every 6 months, and Profile Construct every 4 days. Most recently, PREF Sync was updated on September 19, 2026 and Profile Construct on October 7, 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.*