# ZenTracker Lite vs Knoq

The clearest difference is update cadence: ZenTracker Lite at every 5 days against Knoq's every 3 weeks. ZenTracker Lite also leads on iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ZenTracker Lite sells 4 one-off in-app purchases and Knoq sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ZenTracker Lite ships an update every 5 days, Knoq every 3 weeks. The most recent releases landed on October 19, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | ZenTracker Lite | Knoq |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Size | 55 MB | 16 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Zhejiang Zhixing Cloud Information Technology Co., Ltd](https://appshunter.io/developer/1831152360) | [Berat Mehmetoglu](https://appshunter.io/developer/6776193448) |

## What reviewers say

### ZenTracker Lite

[App page](https://appshunter.io/ios/app/zentracker-lite/id6812668592)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthy | $19.99 | one-time |
| 6 Months | $79.99 | one-time |
| 1 year | $119.99 | one-time |
| 3 years | $259.99 | one-time |


### Knoq

[App page](https://appshunter.io/ios/app/knoq-qr-code-scanner-and-maker/id6814913957)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Knoq Pro — Monthly | $2.99 | per month |
| Knoq Pro — Yearly | $10.99 | per year |
| Knoq Pro — Lifetime | $15.99 | one-time |


## Frequently asked questions

### Is ZenTracker Lite free?

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

### Is Knoq free?

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

### Do ZenTracker Lite or Knoq have ads?

Neither ZenTracker Lite nor Knoq shows ads.

### Which is updated more often, ZenTracker Lite or Knoq?

ZenTracker Lite ships an update every 5 days, and Knoq every 3 weeks. Most recently, ZenTracker Lite was updated on October 19, 2026 and Knoq on October 21, 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.*