# ETF计算器 vs Zeno Turtle

The clearest difference is update cadence: ETF计算器 at weekly against Zeno Turtle's every 3 weeks. ETF计算器 also leads on device support (3 vs 1) and iOS requirement (12.4 vs 16.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ETF计算器 ships an update weekly, Zeno Turtle every 3 weeks. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | ETF计算器 | Zeno Turtle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Size | 14 MB | 148 MB |
| Requires iOS | **12.4** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [治波 王](https://appshunter.io/developer/1744485157) | [Hangzhou MetaWorld Core Cloud Technology Co., Ltd](https://appshunter.io/developer/1868909590) |

## What reviewers say

### ETF计算器

[App page](https://appshunter.io/ios/app/etf/id6742107253)

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

**In-app purchases:** none


### Zeno Turtle

[App page](https://appshunter.io/ios/app/zeno-turtle/id6758871759)

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

**In-app purchases:** none


## Frequently asked questions

### Is ETF计算器 free?

ETF计算器 is free to download, with no in-app purchases.

### Is Zeno Turtle free?

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

### Do ETF计算器 or Zeno Turtle have ads?

Neither ETF计算器 nor Zeno Turtle shows ads.

### Which is updated more often, ETF计算器 or Zeno Turtle?

ETF计算器 ships an update weekly, and Zeno Turtle every 3 weeks. Most recently, ETF计算器 was updated on October 25, 2026 and Zeno Turtle on October 28, 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.*