# GPS String vs QR Code Reader PRO for iPhone!

The clearest difference is in-app purchases: GPS String at none against QR Code Reader PRO for iPhone!'s 3. GPS String also leads on ads (none vs shown) and update cadence (every 3 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. QR Code Reader PRO for iPhone! sells 3 in-app purchases, starting at $2.99 per month. GPS String asks for nothing beyond the download.

GPS String ships an update every 3 days, QR Code Reader PRO for iPhone! every 6 weeks. The most recent releases landed on October 7, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | GPS String | QR Code Reader PRO for iPhone! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/qr-code-reader-pro-for-iphone/id1641226747/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 1 MB | 63 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takuo Matsumura](https://appshunter.io/developer/1076447675) | [Nico Schroeder](https://appshunter.io/developer/432790036) |

## 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


### QR Code Reader PRO for iPhone!

[App page](https://appshunter.io/ios/app/qr-code-reader-pro-for-iphone/id1641226747)

Easily scan, generate, and manage QR codes and barcodes. Access detailed information from codes, create custom codes for various themes, and organize them with built-in folder management. Features bulk scanning and CSV export for efficient data handling.

**Highlights:** Scan QR codes and barcodes, Create themed QR codes, Detailed code information, Bulk-scan functionality, Folder management system, CSV export, Generate QR codes for various themes

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Premium | $2.99 | per month |
| One Year Premium | $14.99 | per year |
| QR Code Reader PRO - Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is GPS String free?

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

### Is QR Code Reader PRO for iPhone! free?

QR Code Reader PRO for iPhone! is free to download, with in-app purchases available.

### Do GPS String or QR Code Reader PRO for iPhone! have ads?

QR Code Reader PRO for iPhone! shows ads; GPS String does not.

### Which is updated more often, GPS String or QR Code Reader PRO for iPhone!?

GPS String ships an update every 3 days, and QR Code Reader PRO for iPhone! every 6 weeks. Most recently, GPS String was updated on October 7, 2026 and QR Code Reader PRO for iPhone! on September 6, 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.*