# e vs Hologram Fan

The clearest difference is rating: e at 2.3 against Hologram Fan's 1.0. e also leads on ratings volume (3 vs 1). Hologram Fan's advantage is iOS requirement (9.0 vs 12.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

e holds the better App Store score, 2.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

e ships an update every 3 weeks, Hologram Fan fortnightly. The most recent releases landed on October 24, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | e | Hologram Fan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/e-tracker/id1133936910/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/hologram-fan/id6478849872/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 44 MB | 105 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [桂标 曾](https://appshunter.io/developer/985954900) | [HDFocus Technology Co., Ltd.](https://appshunter.io/developer/1734164865) |

## What reviewers say

### e

[App page](https://appshunter.io/ios/app/e-tracker/id1133936910)

This app pairs with smart anti-lost devices to help you find them by triggering an alarm. It also allows you to find your phone from the device and alerts you if the Bluetooth connection is lost. Additional features include camera, video, and map positioning.

**Highlights:** Two-way anti-lost device tracking, Device alarm function, Phone finder function, Bluetooth connection loss alert, Camera and video recording, Map positioning, Meeting recording support

**Features:** Vision Pro support

**In-app purchases:** none


### Hologram Fan

[App page](https://appshunter.io/ios/app/hologram-fan/id6478849872)

Control and manage holographic display devices remotely. Connect via WiFi for local control of settings, file operations, and playback. Utilize network capabilities for remote access and content updates.

**Highlights:** WiFi device connection, Remote control of settings, File upload and deletion, Playback time setting, LAN control, Network remote access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is e free?

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

### Is Hologram Fan free?

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

### Which has better reviews, e or Hologram Fan?

e is rated higher. e averages 2.3 out of 5 from 3 ratings, while Hologram Fan averages 1.0 from 1 ratings.

### Do e or Hologram Fan have ads?

Neither e nor Hologram Fan shows ads.

### Which is updated more often, e or Hologram Fan?

e ships an update every 3 weeks, and Hologram Fan fortnightly. Most recently, e was updated on October 24, 2026 and Hologram Fan on October 30, 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.*