# STACK Construction Management vs JMap Survey

The clearest difference is in-app purchases: JMap Survey at none against STACK Construction Management's 1. JMap Survey also leads on iOS requirement (12.3 vs 15.0). STACK Construction Management's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. STACK Construction Management sells 1 in-app purchase, starting at $599.00 per year. JMap Survey asks for nothing beyond the download.

STACK Construction Management ships an update fortnightly, JMap Survey every 2 months. The most recent releases landed on October 5, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | STACK Construction Management | JMap Survey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (8 ratings)](https://appshunter.io/ios/app/stack-construction-management/id1221957820/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 207 MB | 16 MB |
| Requires iOS | 15.0 | **12.3** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [STACK Construction Canada Inc.](https://appshunter.io/developer/1296418375) | [K2 Geospatial](https://appshunter.io/developer/594537883) |

## What reviewers say

### STACK Construction Management

[App page](https://appshunter.io/ios/app/stack-construction-management/id1221957820)

Access and mark up digital construction plans directly on the jobsite. This app allows crews to work offline, manage issues with photo uploads, and streamline project communication for increased field productivity.

**Highlights:** Digital plan access and markup, Offline work capability, Issue management with photo uploads, Real-time plan comparison, Streamlined daily reports, Automated hyperlinking of details

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Yearly subscription | $599.00 | per year |


### JMap Survey

[App page](https://appshunter.io/ios/app/jmap-survey/id1440073003)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is STACK Construction Management free?

STACK Construction Management is free to download, with in-app purchases available.

### Is JMap Survey free?

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

### Do STACK Construction Management or JMap Survey have ads?

Neither STACK Construction Management nor JMap Survey shows ads.

### Which is updated more often, STACK Construction Management or JMap Survey?

STACK Construction Management ships an update fortnightly, and JMap Survey every 2 months. Most recently, STACK Construction Management was updated on October 5, 2026 and JMap Survey on September 22, 2026.

---

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