# Doubling Back vs Qrobús

The clearest difference is rating: Doubling Back at 3.7 against Qrobús's 2.3. Doubling Back also leads on iOS requirement (12.0 vs 14). Qrobús's advantage is update cadence (every 2 weeks vs every 13 months) and ratings volume (12 vs 3). On price, ads, in-app purchases and monetization model 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 holds the better App Store score, 3.7 against 2.3. Both are backed by a comparable volume of ratings — 3 and 12 respectively.

Doubling Back ships an update every 13 months, Qrobús every 2 weeks. The most recent releases landed on September 18, 2026 and July 21, 2026 respectively.

## The numbers

| Metric | Doubling Back | Qrobús |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/doubling-back/id1217167960/reviews)** | [2.3 (12 ratings)](https://appshunter.io/ios/app/qrobus/id1643234694/reviews) |
| Number of ratings | 3 | **12** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 9 MB | 65 MB |
| Requires iOS | **12.0** | 14 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Terry NIGHTINGALE](https://appshunter.io/developer/1217167959) | [INSTITUTO QUERETANO DEL TRANSPORTE](https://appshunter.io/developer/1643234696) |

## 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


### Qrobús

[App page](https://appshunter.io/ios/app/qrobus/id1643234694)

This app provides real-time public transportation information for the Querétaro Metropolitan Area. Find routes, stops, and estimated arrival times for buses. It also helps locate nearby top-up points for your prepaid card and manage your account.

**Highlights:** Real-time bus tracking, Route and stop information, Estimated arrival times, Prepaid card top-up locations, Account balance check

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

**In-app purchases:** none


## Frequently asked questions

### Is Doubling Back free?

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

### Is Qrobús free?

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

### Which has better reviews, Doubling Back or Qrobús?

Doubling Back is rated higher. Doubling Back averages 3.7 out of 5 from 3 ratings, while Qrobús averages 2.3 from 12 ratings.

### Do Doubling Back or Qrobús have ads?

Neither Doubling Back nor Qrobús shows ads.

### Which is updated more often, Doubling Back or Qrobús?

Doubling Back ships an update every 13 months, and Qrobús every 2 weeks. Most recently, Doubling Back was updated on September 18, 2026 and Qrobús on July 21, 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.*