Doubling Back vs Two Factor
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
Read full descriptionHide full description
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.
Two Factor
This app generates 2-step verification codes for your accounts, keeping your secrets synchronized and protected across your Apple devices. It prioritizes privacy with offline functionality, no tracking, and no data collection.
- Offline code generation
- iCloud synchronization
- Face ID/Touch ID access
- Multiple password-protected vaults
- QR code import
- Support for TOTP and HOTP
Read full descriptionHide full description
Two Factor is a modern authenticator app to generate 2-step verification codes for your accounts. Crafted exclusively for iOS and macOS, your secrets codes stay synchronized and protected. The app respects your privacy - it functions entirely offline with no tracking or analytics, no advertisement, and no data collection. Nice benefit - it weights less than a single photo on your iPhone. Import and export codes any way you prefer - scan QR codes with your camera, import from screenshots, drag and drop images (on Mac and iPad), or manually enter secrets. Key Features: • Secure storage • iCloud synchronization across all your Apple devices • Face ID/Touch ID support for quick access • Multiple password-protected vaults • Drag & drop QR codes from screenshots or images • Support for TOTP, HOTP and other common codes • Secure storage for plaintext secrets • No internet connection required - works completely offline • No ads, no tracking, no data collection Perfect for: • Securing social media and email accounts • Anyone remotely concerned about privacy and security • Anyone who is tired of spending hours migrating keys to new devices.
Screenshots
Verdict
The clearest difference is iOS requirement: Doubling Back at 12.0 against Two Factor's 17.6. 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.
| Parameter | Doubling Back | Two Factor |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 4 — better | — |
| Update frequency | Every 13 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 12.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 9 MB | 2 MB |
| Age rating | 4+ | 4+ |
| Developer | Terry NIGHTINGALE | Baulin Roman |
Customer experience
Doubling Back
Two Factor
In-app purchases
Doubling Back
No in-app purchases
Two Factor
No in-app purchases









