# Foldometer vs Duo Fold Counter

The clearest difference is review sentiment: Foldometer at 100% against Duo Fold Counter's 38%. Foldometer also leads on rating (5.0 vs 2.1). Duo Fold Counter's advantage is chart position (#40 vs unranked) and ratings volume (8 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Foldometer costs $0.99 and Duo Fold Counter $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Foldometer holds the better App Store score, 5.0 against 2.1. That said, the two scores are not equally well evidenced: Duo Fold Counter has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 100% of Foldometer's written reviews are positive against 38% of Duo Fold Counter's.

## The numbers

| Metric | Foldometer | Duo Fold Counter |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/foldometer-fold-angle-gauge/id6819503409/reviews)** | [2.1 (8 ratings)](https://appshunter.io/ios/app/duo-fold-counter/id6827677447/reviews) |
| Number of ratings | 1 | **8** |
| Positive reviews | **100.0% of reviews** | 37.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 2 days |
| Monetization | Paid | Paid |
| Best chart rank | — | **#40** |
| Size | 7 MB | 2 MB |
| Requires iOS | **27.0** | 27.1 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Matthew Purcell](https://appshunter.io/developer/1844698993) | [Julian Christopher Siebert](https://appshunter.io/developer/1830495244) |

## What reviewers say

### Foldometer

[App page](https://appshunter.io/ios/app/foldometer-fold-angle-gauge/id6819503409)

Measure precise angles with your device's screen and sensors. Ideal for foldable phones to gauge hinge angles, or as a versatile level, protractor, and slope meter for any iPhone or iPad. Offers features like auto-hold, calibration, and data logging.

**Highlights:** Foldable phone hinge angle measurement, Level and bubble level, Protractor with draggable arms, Slope and pitch meter, Camera angle finder, Auto-Hold and flip calibration, Log readings and export as CSV, Home and Lock Screen widgets

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases:** none


### Duo Fold Counter

[App page](https://appshunter.io/ios/app/duo-fold-counter/id6827677447)

**Currently charting:** #40 Top Paid · Utilities (US App Store)

Track every fold and unfold of your foldable phone to understand usage patterns and estimate hinge lifespan. Provides detailed statistics and insights into your folding habits, with options for background tracking and iCloud backup.

**Highlights:** Real-time fold and unfold counting, Inferred fold detection when app is closed, Manual fold logging, Shortcuts app integration for background counting, Optional background counting via magnetometer, Detailed statistics on folding habits, Estimated hinge lifetime calculation, iCloud backup and sync

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Foldometer free?

Foldometer costs $0.99, with no in-app purchases.

### Is Duo Fold Counter free?

Duo Fold Counter costs $0.99, with no in-app purchases.

### Which has better reviews, Foldometer or Duo Fold Counter?

Foldometer is rated higher. Foldometer averages 5.0 out of 5 from 1 ratings, while Duo Fold Counter averages 2.1 from 8 ratings.

### Do Foldometer or Duo Fold Counter have ads?

Neither Foldometer nor Duo Fold Counter shows ads.

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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.*