# K线晋级赛 vs Trader Days

The clearest difference is in-app purchases: Trader Days at none against K线晋级赛's 1. Trader Days also leads on update cadence (every 3 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. K线晋级赛 sells 1 one-off in-app purchase. Trader Days asks for nothing beyond the download.

K线晋级赛 ships an update every 2 months, Trader Days every 3 days. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | K线晋级赛 | Trader Days |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/k-k/id6760549373/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 339 MB | 3 MB |
| Requires iOS | **17.0** | 17.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [宇丰 麦](https://appshunter.io/developer/1883078689) | [天天点](https://appshunter.io/developer/1506115702) |

## What reviewers say

### K线晋级赛

[App page](https://appshunter.io/ios/app/k-k/id6760549373)

Practice stock trading with real historical data. Make buy, sell, or hold decisions day by day and track your performance. Features include error correction and progress tracking.

**Highlights:** Real historical stock data training, Day-by-day trading decisions, Automatic result recording, Error correction for common mistakes, Rank and achievement system, Performance statistics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Simulation Funds Refill | $0.99 | one-time |


### Trader Days

[App page](https://appshunter.io/ios/app/trader-days/id6806954273)

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

**In-app purchases:** none


## Frequently asked questions

### Is K线晋级赛 free?

K线晋级赛 is free to download, with in-app purchases available.

### Is Trader Days free?

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

### Do K线晋级赛 or Trader Days have ads?

Neither K线晋级赛 nor Trader Days shows ads.

### Which is updated more often, K线晋级赛 or Trader Days?

K线晋级赛 ships an update every 2 months, and Trader Days every 3 days. Most recently, K线晋级赛 was updated on October 24, 2026 and Trader Days on October 9, 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.*