# Kello vs Locatometer

The clearest difference is review sentiment: Locatometer at 100% against Kello's 37%. Locatometer also leads on price (Free vs $9.99) and rating (4.9 vs 2.8). Kello's advantage is in-app purchases (none vs 1) and ads (none vs shown). On ratings volume, update cadence and device support there is nothing between them.

Locatometer is free to download; Kello costs $9.99 up front. Locatometer sells 1 one-off in-app purchase. Kello asks for nothing beyond the download.

Locatometer holds the better App Store score, 4.9 against 2.8. Both are backed by a comparable volume of ratings — 5 and 8 respectively. Written reviews point the same way: 37% of Kello's written reviews are positive against 100% of Locatometer's.

Kello ships an update every 3 months, Locatometer every 4 months. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Kello | Locatometer |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [2.8 (5 ratings)](https://appshunter.io/ios/app/kello/id380539253/reviews) | **[4.9 (8 ratings)](https://appshunter.io/ios/app/locatometer/id1155813914/reviews)** |
| Number of ratings | 5 | **8** |
| Positive reviews | 37.3% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 months** | Every 4 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 7 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Coldflower Design Corp.](https://appshunter.io/developer/380539256) | [App Viper Inc.](https://appshunter.io/developer/641369312) |

## What reviewers say

### Kello

[App page](https://appshunter.io/ios/app/kello/id380539253)

This app analyzes the accuracy of mechanical watches by listening to their ticking sounds through your device's microphone. It compares the watch's rhythm to the precise system clock to reveal timekeeping differences. Supports a wide range of watch frequencies and offers guidance on identifying mechanical timepieces.

**Highlights:** Microphone-based watch sound analysis, Comparison to iOS system clock, Automatic detection of 8 common watch frequencies, Guidance on identifying mechanical watches, Displays timekeeping differences

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Innovative watch timing solution at affordable price
- ✅ Accurate readings when properly configured
- 🎯 Correctly identifies beat frequency (BPH)
- ⚙️ Useful for watch regulation and adjustment
- 📱 Portable alternative to expensive timing machines

**What reviewers complain about**

- 🎙️ Highly sensitive to microphone quality and placement
- 🔇 Requires extremely quiet environment to function
- 📊 Inconsistent readings even in same position
- ⚠️ Frequent signal detection failures
- 🔄 High variability in results between measurements

**Reported bugs**

- App crashes on iPhone 5 and iOS 6
- Signal detection fails inconsistently
- Frequency auto-detection varies wildly on same watch
- Unstable signal readings despite strong initial signal
- App hangs on 'determine frequency' step

**Requested features**

- History log and data storage for watches
- Graphical representation of timing data over time
- Average readings over longer time periods
- Watch profile saving functionality
- Beat error measurement capability


### Locatometer

[App page](https://appshunter.io/ios/app/locatometer/id1155813914)

This app displays your current speed, altitude, heading, latitude, and longitude. You can easily share this location data via various messaging platforms and customize map views and speedometer colors. It supports both Imperial and Metric systems.

**Highlights:** Real-time speed display, Altitude and heading tracking, Latitude and longitude coordinates, Location data sharing, Selectable map types, Customizable speedometer colors, Imperial/Metric system support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad Free | $1.99 | one-time |


## Frequently asked questions

### Is Kello free?

Kello costs $9.99, with no in-app purchases.

### Is Locatometer free?

Locatometer is free to download, with in-app purchases available.

### Which has better reviews, Kello or Locatometer?

Locatometer is rated higher. Kello averages 2.8 out of 5 from 5 ratings, while Locatometer averages 4.9 from 8 ratings.

### Do Kello or Locatometer have ads?

Locatometer shows ads; Kello does not.

### Which is updated more often, Kello or Locatometer?

Kello ships an update every 3 months, and Locatometer every 4 months. Most recently, Kello was updated on October 14, 2026 and Locatometer on October 6, 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.*