# i vs zwsvibe

The clearest difference is rating: zwsvibe at 3.4 against i's 2.1. zwsvibe also leads on review sentiment (27% vs 10%). i's advantage is in-app purchases (none vs 3) and ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. zwsvibe sells 3 one-off in-app purchases. i asks for nothing beyond the download.

zwsvibe holds the better App Store score, 3.4 against 2.1. That said, the two scores are not equally well evidenced: i has 419 ratings behind it against 48, so its average is the more settled of the two. Written reviews point the same way: 10% of i's written reviews are positive against 27% of zwsvibe's.

i ships an update monthly, zwsvibe every 3 weeks. Both last shipped on October 15, 2026.

## The numbers

| Metric | i | zwsvibe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (419 ratings)](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751/reviews) | **[3.4 (48 ratings)](https://appshunter.io/ios/app/zwsvibe/id6480041672/reviews)** |
| Number of ratings | **419** | 48 |
| Positive reviews | 9.7% of reviews | **27.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 74 MB | 404 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [ShenZhen 0101 technology Co.,Ltd](https://appshunter.io/developer/994444596) | [SHENZHEN ZHONGWEI INTELLIGENT INFORMATION TECHNOLOGY CO.,Ltd](https://appshunter.io/developer/1622785862) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-flashdevice-hd/id1098089751)

Easily manage files on a USB drive connected via a wired connection. Back up and restore photos and contacts directly to and from the USB drive without needing a network connection.

**Highlights:** Connect to USB drive, File management, Photo album backup, Photo album restore, Contact backup, Contact restore, Offline backup

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Convenient for transferring photos/videos
- 👍 Works well with iPhone and iPad

**What reviewers complain about**

- 🐛 Frequent crashes and freezes
- 🔌 Unreliable connection with device
- 🤯 Confusing and unintuitive interface
- 🤔 Limited functionality compared to claims

**Reported bugs**

- Device not recognized or shown as offline
- Corrupted or lost files during transfer
- Compatibility issues with newer iOS versions

**Requested features**

- Ability to create folders and organize files
- Support for more file types beyond photos/videos
- Improved stability and reliability


### zwsvibe

[App page](https://appshunter.io/ios/app/zwsvibe/id6480041672)

Control and customize your smart headphone bin with this app. Set personalized dials, create QR code business cards, and receive health reminders. It also allows for firmware upgrades and integrates with your phone for weather and camera functions.

**Highlights:** Personalized headphone bin dial, QR code business card setup, Health reminders, Firmware upgrades, Local weather sync, Remote photography

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Watch face A | $0.29 | one-time |
| Watch face B | $0.39 | one-time |
| Watch face C | $0.49 | one-time |


## Frequently asked questions

### Is i free?

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

### Is zwsvibe free?

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

### Which has better reviews, i or zwsvibe?

zwsvibe is rated higher. i averages 2.1 out of 5 from 419 ratings, while zwsvibe averages 3.4 from 48 ratings.

### Do i or zwsvibe have ads?

zwsvibe shows ads; i does not.

### Which is updated more often, i or zwsvibe?

i ships an update monthly, and zwsvibe every 3 weeks. Most recently, i was updated on October 15, 2026 and zwsvibe on October 15, 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.*