# SpotTheSpy vs Mass Master

The clearest difference is in-app purchases: Mass Master at none against SpotTheSpy's 2. SpotTheSpy's advantage is update cadence (every 2 months vs every 12 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. SpotTheSpy sells 2 in-app purchases, starting at $3.49 per month. Mass Master asks for nothing beyond the download.

SpotTheSpy ships an update every 2 months, Mass Master every 12 months. The most recent releases landed on November 6, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | SpotTheSpy | Mass Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (90 ratings)](https://appshunter.io/ios/app/spotthespy-accounts-security/id1280926003/reviews)** | — |
| Number of ratings | **90** | — |
| Positive reviews | 46.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 12 months |
| Monetization | Free with in-app purchases | — |
| Size | 43 MB | 28 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Palmaso ApS](https://appshunter.io/developer/1082702322) | [Mass Master d.o.o](https://appshunter.io/developer/1763684600) |

## What reviewers say

### SpotTheSpy

[App page](https://appshunter.io/ios/app/spotthespy-accounts-security/id1280926003)

This app detects unauthorized access to your online accounts by monitoring login locations. It alerts you to suspicious activity and provides tools to secure your accounts, such as logging out devices and changing passwords.

**Highlights:** Detects unauthorized account access, Monitors login locations, Sends immediate security alerts, Allows remote logout of devices, Facilitates password changes, Protects Gmail, Facebook, LinkedIn

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month SpotTheSpy Premium | $3.49 | per month |
| Annual SpotTheSpy premium | $20.99 | per year |

**What reviewers like**

- ✅ Effective for detecting unauthorized access
- 👍 Provides security alerts
- 💯 Highly recommended for tracking
- 🌟 Useful for identifying suspicious activity
- 🚀 Can be effective for security purposes

**What reviewers complain about**

- ❌ Scan not available
- ❌ App doesn't work
- ❌ Login issues with Facebook/Gmail
- ❌ Useless on iPhone
- ❌ App is sketchy

**Reported bugs**

- Scan not available
- App doesn't work with iPhone
- Password incorrect error for Facebook and Gmail
- App goes back to home screen after login attempts
- Error when trying to log in again

**Requested features**

- Support for more email accounts
- Support for text messages
- Option to unsubscribe
- Clearer instructions on app usage
- Ability to protect already hacked accounts


### Mass Master

[App page](https://appshunter.io/ios/app/mass-master/id6642717620)

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

**In-app purchases:** none


## Frequently asked questions

### Is SpotTheSpy free?

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

### Is Mass Master free?

Mass Master is free to download, with no in-app purchases.

### Do SpotTheSpy or Mass Master have ads?

Neither SpotTheSpy nor Mass Master shows ads.

### Which is updated more often, SpotTheSpy or Mass Master?

SpotTheSpy ships an update every 2 months, and Mass Master every 12 months. Most recently, SpotTheSpy was updated on November 6, 2026 and Mass Master on October 27, 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.*