Doubling Back vs Qrobús
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Doubling Back
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.
- Measure walking/running distance
- Start and stop measurement
- Calculate distance for selected portions
- iPhone and iPad compatible
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Doubling Back is an iPhone application for measuring your walking or running distance. What does Doubling Back offer that other pedometer apps do not? You can start and stop the measurement, and when you are finished, Doubling Back will show you the total distance for just the portions of the walk or run that you chose to measure.
Qrobús
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.
- Real-time bus tracking
- Route and stop information
- Estimated arrival times
- Prepaid card top-up locations
- Account balance check
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El sistema de transporte público de la Zona Metropolitana de Querétaro cambió para brindar un servicio más ordenado y con menos tiempos de espera. En la App Qrobús encontrarás la información de las rutas troncales, complementarias y locales; también podrás ubicar las paradas, paraderos y estaciones, y conocer el tiempo en que llegan las unidades gracias a una colaboración con Google Maps. ¡Utilizar tu tarjeta de prepago será más fácil! Entra a la App Qrobús y ubica los puntos de recarga más cercanos a ti. Consulta tu estado de cuenta para organizar tus finanzas y tener un mejor control de tus gastos. Recuerda, tu tarjeta Qrobús es tu llave al nuevo modelo de transporte.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Doubling Back | Qrobús |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | 2.3 (12 ratings) |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 3 | 12 — better |
| Update frequency | Every 13 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 14 |
| Further details — not scored | ||
| Size | 9 MB | 65 MB |
| Age rating | 4+ | 12+ |
| Developer | Terry NIGHTINGALE | INSTITUTO QUERETANO DEL TRANSPORTE |
Customer experience
Doubling Back
Qrobús
In-app purchases
Doubling Back
No in-app purchases
Qrobús
No in-app purchases
