# Lab Scale vs Master Cleaner

The clearest difference is review sentiment: Master Cleaner at 71% against Lab Scale's 0%. Master Cleaner also leads on rating (4.5 vs 3.3) and ratings volume (3.5K vs 3). Lab Scale's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Master Cleaner sells 5 in-app purchases, starting at $4.99 per 7 days. Lab Scale asks for nothing beyond the download.

Master Cleaner holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Master Cleaner has 3.5K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 0% of Lab Scale's written reviews are positive against 71% of Master Cleaner's.

Lab Scale ships an update fortnightly, Master Cleaner every 10 days. The most recent releases landed on October 21, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Lab Scale | Master Cleaner |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (3 ratings)](https://appshunter.io/ios/app/lab-scale-smartlogs-pro/id1530607491/reviews) | **[4.5 (3.5K ratings)](https://appshunter.io/ios/app/master-cleaner-clean-storage/id6443827683/reviews)** |
| Number of ratings | 3 | **3.5K** |
| Positive reviews | 0.0% of reviews | **70.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 14 MB | 128 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ReFleX Wireless Inc.](https://appshunter.io/developer/666581212) | [Qaurus Mobile](https://appshunter.io/developer/1649722185) |

## What reviewers say

### Lab Scale

[App page](https://appshunter.io/ios/app/lab-scale-smartlogs-pro/id1530607491)

This app works with a smart food scale to record weight measurements. It offers manual logging or automated recording at set intervals. It's particularly useful for remote science education.

**Highlights:** Log weight readings, Manual logging, Interval/frequency logging, Compatible with Smart Food Scale, Useful for remote science classes

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

**In-app purchases:** none


### Master Cleaner

[App page](https://appshunter.io/ios/app/master-cleaner-clean-storage/id6443827683)

This app helps you reclaim storage space by automatically detecting and removing duplicate photos, videos, and contacts. It also offers features to organize your media, enhance images, and secure personal files in a private space.

**Highlights:** Detect and delete duplicate photos, screenshots, and videos, Intelligent photo management with swipe sorting, Identify and remove similar or large videos, Scan and optimize contact lists, merge duplicates, Secure personal files in a password-protected space, Enhance and restore old or blurry photos

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly | $4.99 | per 7 days |
| Pro Weekly | $4.99 | per 7 days |
| Pro Monthly | $9.99 | per month |
| Pro Yearly | $39.99 | per year |
| Pro Yearly | $39.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Quick cleanup
- 💡 Helpful for organizing photos
- 🔒 Secure app
- 👍 Straightforward design

**What reviewers complain about**

- 💰 Requires payment for full functionality
- 🐛 Bugs and glitches
- 🔒 Privacy concerns
- 💰 Predatory pricing model
- 🤬 Frustrating subscription issues

**Reported bugs**

- App crashes and freezes
- Inability to cancel subscription
- Unexpected data deletion
- Compatibility issues with older devices
- Unreliable performance

**Requested features**

- Improved contact management
- Better photo organization tools
- More customization options
- Direct customer support channel
- Transparent subscription model


## Frequently asked questions

### Is Lab Scale free?

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

### Is Master Cleaner free?

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

### Which has better reviews, Lab Scale or Master Cleaner?

Master Cleaner is rated higher. Lab Scale averages 3.3 out of 5 from 3 ratings, while Master Cleaner averages 4.5 from 3.5K ratings.

### Do Lab Scale or Master Cleaner have ads?

Master Cleaner shows ads; Lab Scale does not.

### Which is updated more often, Lab Scale or Master Cleaner?

Lab Scale ships an update fortnightly, and Master Cleaner every 10 days. Most recently, Lab Scale was updated on October 21, 2026 and Master Cleaner on October 22, 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.*