# JACK App Construction Software vs ShiftTrail

The clearest difference is in-app purchases: JACK App Construction Software at none against ShiftTrail's 1. ShiftTrail's advantage is update cadence (every 3 weeks vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ShiftTrail sells 1 in-app purchase, starting at $3.99 per month. JACK App Construction Software asks for nothing beyond the download.

JACK App Construction Software ships an update every 2 months, ShiftTrail every 3 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | JACK App Construction Software | ShiftTrail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 71 MB | 70 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [JACK App](https://appshunter.io/developer/1777726203) | [Anas Maqbool](https://appshunter.io/developer/1846298447) |

## What reviewers say

### JACK App Construction Software

[App page](https://appshunter.io/ios/app/jack-app-construction-software/id6738333361)

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

**In-app purchases:** none


### ShiftTrail

[App page](https://appshunter.io/ios/app/shifttrail/id6761998396)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $3.99 | per month |


## Frequently asked questions

### Is JACK App Construction Software free?

JACK App Construction Software is free to download, with no in-app purchases.

### Is ShiftTrail free?

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

### Do JACK App Construction Software or ShiftTrail have ads?

Neither JACK App Construction Software nor ShiftTrail shows ads.

### Which is updated more often, JACK App Construction Software or ShiftTrail?

JACK App Construction Software ships an update every 2 months, and ShiftTrail every 3 weeks. Most recently, JACK App Construction Software was updated on October 30, 2026 and ShiftTrail on November 5, 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.*