# Lens Cycle Tracker vs OrthoKeeper

The clearest difference is ads: OrthoKeeper at none against Lens Cycle Tracker's shown. Lens Cycle Tracker's advantage is update cadence (weekly vs every 6 weeks) and iOS requirement (15.0 vs 18.6). On price, in-app purchases and device support there is nothing between them.

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

Lens Cycle Tracker ships an update weekly, OrthoKeeper every 6 weeks. The most recent releases landed on September 15, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Lens Cycle Tracker | OrthoKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 6 weeks |
| Size | 7 MB | 8 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aeon Design LLC](https://appshunter.io/developer/1875567578) | [Shenzhen Fu Kang Heng Development Co., Ltd.](https://appshunter.io/developer/1863837413) |

## What reviewers say

### 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 |


### OrthoKeeper

[App page](https://appshunter.io/ios/app/orthokeeper/id6769785945)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PDF Reports | $0.99 | one-time |


## Frequently asked questions

### Is Lens Cycle Tracker free?

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

### Is OrthoKeeper free?

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

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

Lens Cycle Tracker shows ads; OrthoKeeper does not.

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

Lens Cycle Tracker ships an update weekly, and OrthoKeeper every 6 weeks. Most recently, Lens Cycle Tracker was updated on September 15, 2026 and OrthoKeeper on September 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*