# kokoi: stock average cost calc — Profit, fees & basis tracker

> Stock average cost calculator with visual insights and custom tagging for investors. (iPhone/iPad app by Danwei Wang.)

- Source: https://appshunter.io/ios/app/kokoi-stock-average-cost-calc/id6760959496 (this page in markdown: same URL + `.md`)
- Developer: [Danwei Wang](https://appshunter.io/developer/1843308448)
- Category: Finance, Utilities
- Price: Free with in-app purchases
- Rating: 5.00/5 from 1 App Store ratings · 7 written reviews indexed
- Age rating: 4+
- Requires: iOS 17.0 · 5 MB
- Languages: American English
- Released: 2026-03-30
- Data updated: 2026-08-25
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/kokoi-stock-average-cost-calc/id6760959496/reviews.md

## What is kokoi?

Kokoi Stock Average Cost Calculator is a simple and efficient tool designed for investors who want to better manage their positions.

Whether you’re averaging down or planning your next trade, this app helps you quickly calculate your updated average cost and understand how each trade impacts your portfolio.

New: Visual Insights
• Track how your average cost changes after each trade
• Visualize your cumulative profit over time
• Understand the real impact of your trading decisions

New: Tags & Grouping
• Organize stocks with your own tags — group by market, strategy, or anything you like
• A stock can belong to multiple tags at once
• Switch between groups from a side drawer; create, rename, reorder, or delete tags anytime
• Tags appear in the stock list and on the detail page, and you can add them when creating a stock

Key Features
• Calculate average cost after multiple buys
• Support for different fee structures and real cost tracking
• Simulate buy and sell strategies before execution
• Clean and intuitive interface with instant results
• No account required — your data stays on your device

This app is designed as a utility tool only. It does not provide financial advice.
Make smarter, more informed decisions with clarity and simplicity.

## Key features

- Calculate average cost after multiple buys
- Visualize cumulative profit over time
- Organize stocks with custom tags
- Simulate buy and sell strategies
- Track real cost with different fee structures
- Intuitive interface with instant results

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads (Lifetime) | $1.99 | one-time |


## Recent user reviews (7 of 7)

All indexed reviews: https://appshunter.io/ios/app/kokoi-stock-average-cost-calc/id6760959496/reviews.md

### 5/5 — 强烈推荐

*2026-07-04*

为数不多的股票做T好工具，开发团队很敬业，推荐使用完整版本。

**Developer response:** 您好，非常感谢您的五星好评和推荐！
看到您的评价我们非常受鼓励。您之前提供的详细反馈对我们优化 Kokoi 很有帮助，我们也会继续把股票做 T、持仓成本计算和交易记录管理这些功能做得更稳定、更好用。
感谢您对完整版的认可和推荐。后续在使用过程中有任何建议，也欢迎继续告诉我们，我们会认真参考并持续改进。

### 5/5 — Great for Active Traders ⭐⭐⭐⭐⭐

*2026-07-02*

As someone who scales in and out of positions, this has been really helpful. It’s much easier to understand my actual average cost than relying on my broker’s default view. The charts are a great addition too.

### 5/5 — 美观干净好用

*2026-05-11*

新界面高大上！功能轻量，但刚好是自己需要的。图表部分很直观！看到自己的成本一点一点降低还是挺开心的。很难得遇到这种金融感不那么重的app，喜欢！好评！

**Developer response:** 谢谢你喜欢这个app！我们会持续优化把它变得更好！

### 5/5 — 意外的好用

*2026-05-01*

一开始只是想找个简单算持仓成本的工具，用下来反而有点意外的惊喜。除了基本的计算之外，图表分析功能也挺有用的，可以直观看到每一次买卖之后成本是怎么变化的，比单纯看一串数字要清楚很多。

### 5/5 — 很符合我的交易习惯

*2026-04-21*

美股券商的成本计算方式跟我习惯的不太一样，更偏税务逻辑。做过几次交易后，基本就搞不清自己的成本在哪了。之前只能拿表格自己算，麻烦也容易出错。这个工具就方便多了，用起来很直观，方便做t

### 5/5 — 好工具

*2026-04-18*

找了好久，终于有人做了这个简单的小工具，而且还是免费的，真的很良心。把股票成本算得很清楚。

### 5/5 — 完美解决美股成本与国内成本计算方式的不同

*2026-04-05*

美股券商的持仓成本计算方式和国内平时习惯看的差异很大，想按照国内计算的方式做T，但一直没找到合适得工具。这个 app 很好地解决了这个痛点，把摊平成本算得很清楚，日常看仓位和做决策都更方便。

## Frequently asked questions about kokoi

### What is kokoi's main function?

kokoi is a stock average cost calculator that helps investors quickly determine their updated average cost after multiple trades. It also provides visual insights into how each trade affects their portfolio's cumulative profit.

### Does kokoi require an account?

No, kokoi does not require an account. Your financial data stays on your device, ensuring privacy and immediate access without the need for registration.

### Can I organize my stocks with kokoi?

Yes, kokoi allows you to organize stocks using custom tags. You can group them by market, strategy, or any other criteria you choose, and a stock can belong to multiple tags simultaneously.

### Does kokoi offer financial advice?

No, kokoi is designed purely as a utility tool for calculating stock average costs and visualizing trade impacts. It does not provide any financial advice.

### What devices is kokoi available on?

kokoi is available on iPhone and iPad, indicated by its supported devices list. It is suitable for users who manage their investments on Apple mobile devices.

### How often is kokoi updated?

The latest version, 1.3.0, was released on June 27, 2026, indicating recent development activity. This suggests the app is actively maintained and improved by its developer.

### What is the user sentiment for kokoi?

Based on the available data, kokoi has a perfect rating of 5.0 stars from 1 rating. This indicates a highly positive initial user reception.

### Does kokoi have ads?

No, kokoi is ad-free. The app's monetization model is free with in-app purchases, meaning users can enjoy its features without advertisements.

## Version history (last 5 releases)

### 1.4.2 — 2026-08-12

Improved privacy and stability, and fixed several known issues.

### 1.4.1 — 2026-08-06

Improved overall user experience.

### 1.4.0 — 2026-08-03

Introducing Trading Recap Cards!

• Create a personal recap and share your trading highlights
• See cost changes, realized return, total trades, and win rate at a glance
• Get tailored messages for different outcomes and closed positions
• Save your recap directly to Photos or share it anywhere
• Improved chart analysis for clearer cost and return trends
• Streamlined actions on the stock detail screen
• Additional layout fixes and stability improvements

### 1.3.2 — 2026-07-01

Fixed issues when editing transaction details, and improved the experience for entering and saving fee information.
Also refined a few details and improved overall app stability.

### 1.3.1 — 2026-06-30

本次更新优化了交易录入与模拟体验：
• 修复数字输入时的异常问题，录入数量、价格和费用更稳定
• 优化模拟交易入口的悬浮按钮，使用时更顺手
• 新增设置选项，可按需隐藏模拟交易按钮
• 调整盈亏显示方式，让收益和亏损状态更清晰易读

## More apps by Danwei Wang

- [petMEMO - reminders & records](https://appshunter.io/ios/app/petmemo-reminders-and-records/id6753278866)
- [littleBig: Private Matters](https://appshunter.io/ios/app/littlebig-private-matters/id6777414936)
- [momoPie: Pet Care Tracker](https://appshunter.io/ios/app/momopie-pet-care-tracker/id6780344320)

All apps by Danwei Wang: https://appshunter.io/developer/1843308448

## Related topics

[average cost](https://appshunter.io/ios/topics/average-cost)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-25.*