# Molekule vs Gym Lens

The clearest difference is rating: Gym Lens at 5.0 against Molekule's 4.4. Gym Lens also leads on update cadence (daily vs every 2 months). Molekule's advantage is in-app purchases (none vs 1) and ratings volume (12K vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Gym Lens sells 1 in-app purchase, starting at $4.99 per month. Molekule asks for nothing beyond the download.

Gym Lens holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Molekule has 12K ratings behind it against 1, so its average is the more settled of the two.

Molekule ships an update every 2 months, Gym Lens daily. Both last shipped on November 6, 2026.

## The numbers

| Metric | Molekule | Gym Lens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (12K ratings)](https://appshunter.io/ios/app/molekule/id1219881640/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gym-lens-workout-tracker/id6798533783/reviews)** |
| Number of ratings | **12K** | 1 |
| Positive reviews | 17.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Daily** |
| Monetization | **Free** | Freemium |
| Size | 174 MB | 3 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [MOLEKULE GROUP, INC.](https://appshunter.io/developer/1219881639) | [DANIEL PIOTR CYWINSKI](https://appshunter.io/developer/1895697517) |

## What reviewers say

### Molekule

[App page](https://appshunter.io/ios/app/molekule/id1219881640)

Monitor your indoor air quality in real-time, track pollutant levels, and control your Molekule air purifiers remotely. Get personalized air quality scores and filter change notifications to maintain optimal home air.

**Highlights:** Real-time air quality monitoring, Personalized Air Score, Remote purifier control, Pollutant tracking (PM2.5, VOCs, humidity), Filter change notifications, Room-by-room air quality management

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Remote operating
- 🌟 Great air purifier
- 👍 Sleek design
- 💨 Helps with allergies

**What reviewers complain about**

- 🐛 Buggy app
- 🔌 Connectivity issues
- 🕰️ Unreliable filter status
- 📱 Useless app
- 🤯 Frustrating setup

**Reported bugs**

- App crashes frequently
- Inability to change app language
- Devices randomly disconnecting from app
- Inaccurate filter life reporting

**Requested features**

- Scheduling options for auto mode
- Ability to order filters directly from app
- Improved app stability and reliability


### Gym Lens

[App page](https://appshunter.io/ios/app/gym-lens-workout-tracker/id6798533783)

Effortlessly create a weekly workout plan by photographing gym equipment. The app identifies machines, suggests profiles, and helps you build routines with editable notes and history tracking. Enjoy live session tracking with rest timers and machine substitution options.

**Highlights:** AI-powered machine identification, Customizable workout plans, Live workout tracking, Rest timer and session logging, Saved machine library, Workout history

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gym Lens Premium | $4.99 | per month |


## Frequently asked questions

### Is Molekule free?

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

### Is Gym Lens free?

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

### Which has better reviews, Molekule or Gym Lens?

Gym Lens is rated higher. Molekule averages 4.4 out of 5 from 12K ratings, while Gym Lens averages 5.0 from 1 ratings.

### Do Molekule or Gym Lens have ads?

Neither Molekule nor Gym Lens shows ads.

### Which is updated more often, Molekule or Gym Lens?

Molekule ships an update every 2 months, and Gym Lens daily. Most recently, Molekule was updated on November 6, 2026 and Gym Lens on November 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.*