# GPS String vs Smart Construction Quick3D

The clearest difference is update cadence: GPS String at every 3 days against Smart Construction Quick3D's every 3 weeks. GPS String also leads on iOS requirement (8.0 vs 15.2). 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.

GPS String ships an update every 3 days, Smart Construction Quick3D every 3 weeks. The most recent releases landed on October 7, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | GPS String | Smart Construction Quick3D |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 39 MB |
| Requires iOS | **8.0** | 15.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takuo Matsumura](https://appshunter.io/developer/1076447675) | [EARTHBRAIN Ltd.](https://appshunter.io/developer/1392320623) |

## What reviewers say

### GPS String

[App page](https://appshunter.io/ios/app/gps-string/id1097060152)

Measure distances between two points on a map, calculate areas by marking three or more points, and save or copy results. It also provides current GPS location data that can be copied for use in emails or notes.

**Highlights:** Measure distance between two points, Calculate area with three or more points, Save and copy measurement results, Switch map views (map, satellite, hybrid), Copy current GPS location, Toggle GPS data display (angle, DMS)

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

**In-app purchases:** none


### Smart Construction Quick3D

[App page](https://appshunter.io/ios/app/smart-construction-quick3d/id1627645913)

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

**In-app purchases:** none


## Frequently asked questions

### Is GPS String free?

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

### Is Smart Construction Quick3D free?

Smart Construction Quick3D is free to download, with no in-app purchases.

### Do GPS String or Smart Construction Quick3D have ads?

Neither GPS String nor Smart Construction Quick3D shows ads.

### Which is updated more often, GPS String or Smart Construction Quick3D?

GPS String ships an update every 3 days, and Smart Construction Quick3D every 3 weeks. Most recently, GPS String was updated on October 7, 2026 and Smart Construction Quick3D on October 10, 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.*