# 基础学习 vs PHK Key

The clearest difference is review sentiment: 基础学习 at 75% against PHK Key's 0%. 基础学习 also leads on rating (4.0 vs 1.0) and update cadence (every 2 days vs monthly). PHK Key's advantage is iOS requirement (9.0 vs 13.0). 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.

基础学习 holds the better App Store score, 4.0 against 1.0. That said, the two scores are not equally well evidenced: 基础学习 has 178 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 75% of 基础学习's written reviews are positive against 0% of PHK Key's.

基础学习 ships an update every 2 days, PHK Key monthly. The most recent releases landed on November 4, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | 基础学习 | PHK Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (178 ratings)](https://appshunter.io/ios/app/id1317660959/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/phk-key/id1331863191/reviews) |
| Number of ratings | **178** | 1 |
| Positive reviews | **74.6% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Monthly |
| Monetization | — | Free |
| Size | 457 MB | 2 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [书田 张](https://appshunter.io/developer/1475320974) | [Phillip Securities (HK) Limited](https://appshunter.io/developer/466984983) |

## What reviewers say

### 基础学习

[App page](https://appshunter.io/ios/app/id1317660959)

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

**In-app purchases:** none


### PHK Key

[App page](https://appshunter.io/ios/app/phk-key/id1331863191)

This security code generator provides two-factor authentication for online trading. Download it to your mobile device to enhance your account security.

**Highlights:** Two-factor login authentication, Online trading security, Mobile code generation, Enhanced security

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 基础学习 free?

基础学习 is free to download, with no in-app purchases.

### Is PHK Key free?

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

### Which has better reviews, 基础学习 or PHK Key?

基础学习 is rated higher. 基础学习 averages 4.0 out of 5 from 178 ratings, while PHK Key averages 1.0 from 1 ratings.

### Do 基础学习 or PHK Key have ads?

Neither 基础学习 nor PHK Key shows ads.

### Which is updated more often, 基础学习 or PHK Key?

基础学习 ships an update every 2 days, and PHK Key monthly. Most recently, 基础学习 was updated on November 4, 2026 and PHK Key on November 2, 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.*