# Simple Compound Interest vs 挣了么

The clearest difference is review sentiment: 挣了么 at 100% against Simple Compound Interest's 56%. 挣了么 also leads on ads (none vs shown) and update cadence (weekly vs every 6 months). Simple Compound Interest's advantage is ratings volume (23 vs 1). On in-app purchases, device support and iOS requirement there is nothing between them.

挣了么 holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Simple Compound Interest has 23 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 56% of Simple Compound Interest's written reviews are positive against 100% of 挣了么's.

Simple Compound Interest ships an update every 6 months, 挣了么 weekly. The most recent releases landed on August 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Simple Compound Interest | 挣了么 |
| --- | --- | --- |
| Price | **Free** | — |
| Rating | [4.7 (23 ratings)](https://appshunter.io/ios/app/simple-compound-interest/id1020564831/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id6775732185/reviews)** |
| Number of ratings | **23** | 1 |
| Positive reviews | 55.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 2 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stack3](https://appshunter.io/developer/375916874) | [亮 房](https://appshunter.io/developer/1891223643) |

## What reviewers say

### Simple Compound Interest

[App page](https://appshunter.io/ios/app/simple-compound-interest/id1020564831)

Easily calculate the future value of your investments. Input your initial capital, monthly contributions, annual interest rate, and investment duration to see your projected final return, total invested amount, and growth rate. Save multiple scenarios and view monthly progress.

**Highlights:** Calculate final return, Calculate total investment amount, Calculate return rate, Save investment conditions, Show monthly increase

**Features:** Vision Pro support

**In-app purchases:** none


### 挣了么

[App page](https://appshunter.io/ios/app/id6775732185)

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

**In-app purchases:** none


## Frequently asked questions

### Is Simple Compound Interest free?

Simple Compound Interest is free to download, with no in-app purchases.

### Is 挣了么 free?

Pricing for 挣了么 is not currently listed on the App Store.

### Which has better reviews, Simple Compound Interest or 挣了么?

挣了么 is rated higher. Simple Compound Interest averages 4.7 out of 5 from 23 ratings, while 挣了么 averages 5.0 from 1 ratings.

### Do Simple Compound Interest or 挣了么 have ads?

Simple Compound Interest shows ads; 挣了么 does not.

### Which is updated more often, Simple Compound Interest or 挣了么?

Simple Compound Interest ships an update every 6 months, and 挣了么 weekly. Most recently, Simple Compound Interest was updated on August 20, 2026 and 挣了么 on September 17, 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.*