# BlackArrow vs Compound Interest Simulator

The clearest difference is in-app purchases: BlackArrow at none against Compound Interest Simulator's 10. BlackArrow also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). Compound Interest Simulator's advantage is review sentiment (81% vs 55%) and ratings volume (415 vs 16). On price, rating, device support and iOS requirement there is nothing between them.

Both are free to download. Compound Interest Simulator sells 10 one-off in-app purchases. BlackArrow asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for BlackArrow against 4.9 for Compound Interest Simulator. That said, the two scores are not equally well evidenced: Compound Interest Simulator has 415 ratings behind it against 16, so its average is the more settled of the two. Written reviews are what separate them: 55% of BlackArrow's written reviews are positive against 81% of Compound Interest Simulator's.

BlackArrow ships an update every 5 days, Compound Interest Simulator every 5 weeks. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | BlackArrow | Compound Interest Simulator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/blackarrow/id1475643637/reviews)** | [4.9 (415 ratings)](https://appshunter.io/ios/app/compound-interest-simulator/id1544655173/reviews) |
| Number of ratings | 16 | **415** |
| Positive reviews | 55.2% of reviews | **81.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 99 MB | 47 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Nelogica Sistemas de Software Ltda](https://appshunter.io/developer/1163760724) | [Andre Leite Barbosa Costa](https://appshunter.io/developer/984337133) |

## What reviewers say

### BlackArrow

[App page](https://appshunter.io/ios/app/blackarrow/id1475643637)

Analyze markets with professional charts and technical indicators. Execute buy and sell orders quickly, including advanced order types. Test strategies with a simulator and monitor cryptocurrency pairs and on-chain data.

**Highlights:** Professional market charts, Technical indicators, Fast order execution, Chart trading tool, OCO orders and special features, Trading simulator, Cryptocurrency pair list, On-chain data analysis

**Features:** Vision Pro support

**In-app purchases:** none


### Compound Interest Simulator

[App page](https://appshunter.io/ios/app/compound-interest-simulator/id1544655173)

Visualize the growth of your savings and investments using compound interest. Plan for major purchases, retirement, or financial independence with detailed simulations and customizable options.

**Highlights:** Compound interest simulation, Savings growth visualization, Basic and Advanced modes, Multiple deposit/withdrawal planning, Customizable compounding frequency, Retirement and financial independence planning

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads & Unlock All Themes | $0.99 | one-time |
| Remove Ads & Unlock All Themes | $1.99 | one-time |
| Remove Ads & Unlock All Themes | $2.99 | one-time |
| Remove Ads & Unlock All Themes | $3.99 | one-time |
| Remove Ads & Unlock All Themes | $4.99 | one-time |
| Remove Ads & Unlock All Themes | $5.99 | one-time |
| Remove Ads & Unlock All Themes | $6.99 | one-time |
| Remove Ads & Unlock All Themes | $7.99 | one-time |
| Remove Ads & Unlock All Themes | $8.99 | one-time |
| Remove Ads & Unlock All Themes | $9.99 | one-time |


## Frequently asked questions

### Is BlackArrow free?

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

### Is Compound Interest Simulator free?

Compound Interest Simulator is free to download, with in-app purchases available.

### Which has better reviews, BlackArrow or Compound Interest Simulator?

BlackArrow is rated higher. BlackArrow averages 5.0 out of 5 from 16 ratings, while Compound Interest Simulator averages 4.9 from 415 ratings.

### Do BlackArrow or Compound Interest Simulator have ads?

Compound Interest Simulator shows ads; BlackArrow does not.

### Which is updated more often, BlackArrow or Compound Interest Simulator?

BlackArrow ships an update every 5 days, and Compound Interest Simulator every 5 weeks. Most recently, BlackArrow was updated on September 23, 2026 and Compound Interest Simulator on September 26, 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.*