# Doubling Back vs GoldPro Calculator

The clearest difference is update cadence: GoldPro Calculator at every 5 days against Doubling Back's every 13 months. Doubling Back's advantage is iOS requirement (12.0 vs 15.0). 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.

Doubling Back ships an update every 13 months, GoldPro Calculator every 5 days. Both last shipped on October 29, 2026.

## The numbers

| Metric | Doubling Back | GoldPro Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/doubling-back/id1217167960/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 9 MB | 23 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Terry NIGHTINGALE](https://appshunter.io/developer/1217167959) | [MICHAEL ADDAE](https://appshunter.io/developer/6820021775) |

## What reviewers say

### Doubling Back

[App page](https://appshunter.io/ios/app/doubling-back/id1217167960)

This utility app allows you to precisely measure walking or running distances. You can start and stop tracking at any point, and it calculates the total distance covered only during the measured segments.

**Highlights:** Measure walking/running distance, Start and stop measurement, Calculate distance for selected portions, iPhone and iPad compatible

**Features:** macOS Compatibility

**In-app purchases:** none


### GoldPro Calculator

[App page](https://appshunter.io/ios/app/goldpro-calculator/id6820021773)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Doubling Back free?

Doubling Back is free to download, with no in-app purchases.

### Is GoldPro Calculator free?

GoldPro Calculator is free to download, with no in-app purchases.

### Do Doubling Back or GoldPro Calculator have ads?

Neither Doubling Back nor GoldPro Calculator shows ads.

### Which is updated more often, Doubling Back or GoldPro Calculator?

Doubling Back ships an update every 13 months, and GoldPro Calculator every 5 days. Most recently, Doubling Back was updated on October 29, 2026 and GoldPro Calculator on October 29, 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.*