# GPS String vs mapry測量

The clearest difference is in-app purchases: GPS String at none against mapry測量's 1. GPS String also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (8.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. mapry測量 sells 1 in-app purchase, starting at $799.99 per year. GPS String asks for nothing beyond the download.

GPS String ships an update every 3 days, mapry測量 every 2 weeks. The most recent releases landed on September 10, 2026 and September 1, 2026 respectively.

## The numbers

| Metric | GPS String | mapry測量 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Size | 1 MB | 219 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takuo Matsumura](https://appshunter.io/developer/1076447675) | [MAPRY Co., Ltd.](https://appshunter.io/developer/1394357768) |

## What reviewers say

### GPS String

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

**Features:** macOS Compatibility

**In-app purchases:** none


### mapry測量

[App page](https://appshunter.io/ios/app/mapry/id6443784788)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| mapry測量 (Yearly Paid Plan) | $799.99 | per year |


## Frequently asked questions

### Is GPS String free?

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

### Is mapry測量 free?

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

### Do GPS String or mapry測量 have ads?

Neither GPS String nor mapry測量 shows ads.

### Which is updated more often, GPS String or mapry測量?

GPS String ships an update every 3 days, and mapry測量 every 2 weeks. Most recently, GPS String was updated on September 10, 2026 and mapry測量 on September 1, 2026.

---

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