# zLens vs Lens Cycle Tracker

The clearest difference is update cadence: Lens Cycle Tracker at weekly against zLens's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. zLens sells 1 one-off in-app purchase and Lens Cycle Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

zLens ships an update every 3 months, Lens Cycle Tracker weekly. The most recent releases landed on October 3, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | zLens | Lens Cycle Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (8 ratings)](https://appshunter.io/ios/app/zlens/id657892205/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 12 MB | 7 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DEEPRAY INFORMATICS & ARTIFICIAL INTELLIGENCE SINGLE MEMBER P.C.](https://appshunter.io/developer/537731542) | [Aeon Design LLC](https://appshunter.io/developer/1875567578) |

## What reviewers say

### zLens

[App page](https://appshunter.io/ios/app/zlens/id657892205)

This app helps you manage your contact lens usage and reminds you when it's time to replace them. You can also conveniently order new lenses directly through the app at competitive prices.

**Highlights:** Contact lens usage tracking, Replacement reminders, In-app lens ordering, Price comparisons for lenses

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| shareware licence | $1.99 | one-time |


### Lens Cycle Tracker

[App page](https://appshunter.io/ios/app/lens-cycle-tracker/id6760890342)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Premium | $4.99 | one-time |


## Frequently asked questions

### Is zLens free?

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

### Is Lens Cycle Tracker free?

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

### Do zLens or Lens Cycle Tracker have ads?

Both zLens and Lens Cycle Tracker show ads.

### Which is updated more often, zLens or Lens Cycle Tracker?

zLens ships an update every 3 months, and Lens Cycle Tracker weekly. Most recently, zLens was updated on October 3, 2026 and Lens Cycle Tracker on October 19, 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.*