# Fogstar Drift vs Haidi Classic

The clearest difference is iOS requirement: Haidi Classic at 11.0 against Fogstar Drift's 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.

## The numbers

| Metric | Fogstar Drift | Haidi Classic |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 13.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free | — |
| Size | 26 MB | 68 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Fogstar Drift](https://appshunter.io/developer/1642643716) | [Haidi Energy Tehcnogy Co., Ltd](https://appshunter.io/developer/1645467042) |

## What reviewers say

### Fogstar Drift

[App page](https://appshunter.io/ios/app/fogstar-drift/id1642643324)

Monitor your leisure battery's real-time status, including voltage, current, and cell health. Receive instant alerts for critical parameters and track historical data for optimal performance and safety.

**Highlights:** Real-time battery parameter display, Single cell voltage and alarm monitoring, Cell comparison and balancing data, Temperature and critical parameter warnings, Historical alarm records, Bluetooth connectivity

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

**In-app purchases:** none


### Haidi Classic

[App page](https://appshunter.io/ios/app/haidi-classic/id6768482303)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fogstar Drift free?

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

### Is Haidi Classic free?

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

### Do Fogstar Drift or Haidi Classic have ads?

Neither Fogstar Drift nor Haidi Classic shows ads.

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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.*