# Zyn Tracker vs StrengthLens

The clearest difference is rating: StrengthLens at 5.0 against Zyn Tracker's 4.1. StrengthLens also leads on in-app purchases (none vs 6) and iOS requirement (15.1 vs 26.0). Zyn Tracker's advantage is ratings volume (12 vs 2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Zyn Tracker sells 5 in-app purchases, starting at $1.99 per 7 days. StrengthLens asks for nothing beyond the download.

StrengthLens holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Zyn Tracker has 12 ratings behind it against 2, so its average is the more settled of the two.

Zyn Tracker ships an update every 10 days, StrengthLens weekly. The most recent releases landed on September 30, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Zyn Tracker | StrengthLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (12 ratings)](https://appshunter.io/ios/app/zyn-tracker-buzzkill/id6695721343/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/strengthlens/id6757731105/reviews)** |
| Number of ratings | **12** | 2 |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Subscription | **Free** |
| Size | 21 MB | 44 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, Apple Watch | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Conner Tate](https://appshunter.io/developer/1511248058) | [Kushal Singh](https://appshunter.io/developer/1866416378) |

## What reviewers say

### Zyn Tracker

[App page](https://appshunter.io/ios/app/zyn-tracker-buzzkill/id6695721343)

This app helps you manage your nicotine pouch consumption. Log each pouch, monitor your intake, track spending, and visualize progress with detailed charts. It offers a free trial before requiring a subscription.

**Highlights:** Log nicotine pouch usage, Monitor nicotine intake and set limits, Track spending on pouches, Visualize progress with charts, Sync data across Apple devices

**Features:** Apple Watch app

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buzzkill Pro | $1.99 | per 7 days |
| Buzzkill Pro | $2.99 | per month |
| Buzzkill Pro | $9.99 | per month |
| Buzzkill Pro | $29.99 | per year |
| Buzzkill Pro | $49.99 | per year |


### StrengthLens

[App page](https://appshunter.io/ios/app/strengthlens/id6757731105)

This app helps you track your strength training progress with science-based principles. It offers smart workout logging, custom program building, and advanced analytics to help you train smarter and get stronger.

**Highlights:** Smart workout tracking (sets, reps, weight, RPE), Custom workout program builder, Advanced progress analytics, AI-powered recommendations, Offline functionality, Science-based training principles

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Zyn Tracker free?

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

### Is StrengthLens free?

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

### Which has better reviews, Zyn Tracker or StrengthLens?

StrengthLens is rated higher. Zyn Tracker averages 4.1 out of 5 from 12 ratings, while StrengthLens averages 5.0 from 2 ratings.

### Do Zyn Tracker or StrengthLens have ads?

Neither Zyn Tracker nor StrengthLens shows ads.

### Which is updated more often, Zyn Tracker or StrengthLens?

Zyn Tracker ships an update every 10 days, and StrengthLens weekly. Most recently, Zyn Tracker was updated on September 30, 2026 and StrengthLens 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.*