# RealMarkCam vs Chronos Lens

The clearest difference is update cadence: RealMarkCam at every 3 days against Chronos Lens's every 6 weeks. RealMarkCam 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. Neither carries in-app purchases, so what you see is what you pay.

RealMarkCam ships an update every 3 days, Chronos Lens every 6 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | RealMarkCam | Chronos Lens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 6 weeks |
| Size | 80 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hangzhou Xuanmei Digital Technology Co Ltd](https://appshunter.io/developer/1785118311) | [鹏 傅](https://appshunter.io/developer/1871627446) |

## What reviewers say

### RealMarkCam

[App page](https://appshunter.io/ios/app/realmarkcam-timelocationmark/id6739696363)

**Features:** macOS Compatibility

**In-app purchases:** none


### Chronos Lens

[App page](https://appshunter.io/ios/app/chronos-lens/id6793468470)

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

**In-app purchases:** none


## Frequently asked questions

### Is RealMarkCam free?

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

### Is Chronos Lens free?

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

### Do RealMarkCam or Chronos Lens have ads?

Neither RealMarkCam nor Chronos Lens shows ads.

### Which is updated more often, RealMarkCam or Chronos Lens?

RealMarkCam ships an update every 3 days, and Chronos Lens every 6 weeks. Most recently, RealMarkCam was updated on October 7, 2026 and Chronos Lens on October 25, 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.*