# Scale Link vs Spy Phone ® Pro Mobile Tracker

The clearest difference is review sentiment: Spy Phone ® Pro Mobile Tracker at 96% against Scale Link's 0%. Spy Phone ® Pro Mobile Tracker also leads on rating (4.5 vs 2.1) and ratings volume (1.1K vs 21). Scale Link's advantage is in-app purchases (none vs 3) and device support (3 vs 1). On price, update cadence and ads there is nothing between them.

Both are free to download. Spy Phone ® Pro Mobile Tracker sells 3 in-app purchases, starting at $19.99 per month. Scale Link asks for nothing beyond the download.

Spy Phone ® Pro Mobile Tracker holds the better App Store score, 4.5 against 2.1. That said, the two scores are not equally well evidenced: Spy Phone ® Pro Mobile Tracker has 1.1K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 0% of Scale Link's written reviews are positive against 96% of Spy Phone ® Pro Mobile Tracker's.

Scale Link ships an update monthly, Spy Phone ® Pro Mobile Tracker every 3 weeks. The most recent releases landed on September 16, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Scale Link | Spy Phone ® Pro Mobile Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (21 ratings)](https://appshunter.io/ios/app/scale-link/id1027059407/reviews) | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/spy-phone-pro-mobile-tracker/id1565756745/reviews)** |
| Number of ratings | 21 | **1.1K** |
| Positive reviews | 0.0% of reviews | **95.5% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 78 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products, Inc.](https://appshunter.io/developer/945771072) | [Spy Phone Labs LLC](https://appshunter.io/developer/917089297) |

## What reviewers say

### Scale Link

[App page](https://appshunter.io/ios/app/scale-link/id1027059407)

This application allows remote communication and control of wireless scales for servicing air-conditioning and refrigeration equipment. It offers comprehensive system measurement views, graphical depictions of test functions, and data logging capabilities.

**Highlights:** Remote scale communication, Control of select scale functions, View system measurements, Graphical test function depictions, Data logging

**In-app purchases:** none


### Spy Phone ® Pro Mobile Tracker

[App page](https://appshunter.io/ios/app/spy-phone-pro-mobile-tracker/id1565756745)

Monitor loved ones' smartphone activities with GPS tracking, contact monitoring, and screen time management. Receive alerts for geofence breaches, speed limits, and panic button activations. Access a daily digest of device activity and historical movement data.

**Highlights:** GPS location tracking, Geofencing with alerts, Screen time and app limits, Speed limit alerts, Contact list monitoring, Panic button alerts, Route history and export

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spy Phone Pro Premium | $19.99 | per month |
| Spy Phone Pro package | $39.99 | per 3 months |
| Spy Phone Pro Premium | $69.99 | per year |

**What reviewers like**

- 💯 Accurate tracking
- 🔒 Secure monitoring
- 🔍 Comprehensive access
- 👍 Helpful for catching cheaters
- 🕵️‍♀️ Effective spy tool

**What reviewers complain about**

- 🔐 Requires device access
- 💰 Expensive subscription
- 🔏 Privacy concerns
- 🤔 Ethical questions
- 🚫 Illegal in some areas

**Reported bugs**

- Inconsistent location tracking
- Delayed message updates

**Requested features**

- Remote access without device
- Discreet monitoring mode
- Refund policy for unsatisfied users


## Frequently asked questions

### Is Scale Link free?

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

### Is Spy Phone ® Pro Mobile Tracker free?

Spy Phone ® Pro Mobile Tracker is free to download, with in-app purchases available.

### Which has better reviews, Scale Link or Spy Phone ® Pro Mobile Tracker?

Spy Phone ® Pro Mobile Tracker is rated higher. Scale Link averages 2.1 out of 5 from 21 ratings, while Spy Phone ® Pro Mobile Tracker averages 4.5 from 1.1K ratings.

### Do Scale Link or Spy Phone ® Pro Mobile Tracker have ads?

Neither Scale Link nor Spy Phone ® Pro Mobile Tracker shows ads.

### Which is updated more often, Scale Link or Spy Phone ® Pro Mobile Tracker?

Scale Link ships an update monthly, and Spy Phone ® Pro Mobile Tracker every 3 weeks. Most recently, Scale Link was updated on September 16, 2026 and Spy Phone ® Pro Mobile Tracker on October 18, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*