# e vs VILTROX Lens

The clearest difference is update cadence: VILTROX Lens at monthly against e's every 3 months. e's advantage is iOS requirement (11.0 vs 15.0). 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.

e ships an update every 3 months, VILTROX Lens monthly. Both last shipped on October 27, 2026.

## The numbers

| Metric | e | VILTROX Lens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (42 ratings)](https://appshunter.io/ios/app/viltrox-lens/id6444688962/reviews)** |
| Number of ratings | — | **42** |
| Positive reviews | — | 5.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free |
| Size | 29 MB | 157 MB |
| Requires iOS | **11.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [阳 刘](https://appshunter.io/developer/1562429066) | [深圳市雷影光电科技有限公司](https://appshunter.io/developer/1656173591) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-links/id1562610378)

**Features:** macOS Compatibility

**In-app purchases:** none


### VILTROX Lens

[App page](https://appshunter.io/ios/app/viltrox-lens/id6444688962)

This utility app connects to Viltrox lenses via Bluetooth, enabling remote control for focusing, including a one-touch infinity focus for astrophotography. It displays real-time focal length and aperture information and supports online firmware updates for improved performance. Users can also customize screen display styles.

**Highlights:** Bluetooth lens connection, Remote focus control, One-touch infinity focus, Real-time focal length and aperture display, Online lens firmware updates, Customizable screen display styles

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

**In-app purchases:** none

**What reviewers like**

- ✨ Works for firmware updates (for some)
- 👍 Some users report successful updates
- 👍 Lens functions are useful (when accessible)

**What reviewers complain about**

- ❌ Cannot create account
- ❌ Cannot log in
- ❌ Verification codes not sent
- ❌ App hangs or freezes
- ❌ Does not work on iOS 26

**Reported bugs**

- 🐛 Cannot create account
- 🐛 Verification codes not received
- 🐛 App hangs/freezes on login/register screen
- 🐛 Firmware update fails (stuck at 0%)
- 🐛 Cannot connect to lens via Bluetooth

**Requested features**

- Allow firmware download and manual transfer
- Improve server compatibility
- Offer descriptions in more languages
- Provide English language option
- Enable account creation on website to work with app


## Frequently asked questions

### Is e free?

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

### Is VILTROX Lens free?

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

### Do e or VILTROX Lens have ads?

Neither e nor VILTROX Lens shows ads.

### Which is updated more often, e or VILTROX Lens?

e ships an update every 3 months, and VILTROX Lens monthly. Most recently, e was updated on October 27, 2026 and VILTROX Lens on October 27, 2026.

---

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