# TreeO2 vs Compound Interest Calculator 6

The clearest difference is in-app purchases: TreeO2 at none against Compound Interest Calculator 6's 1. TreeO2 also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.6). Compound Interest Calculator 6's advantage is update cadence (monthly vs every 3 months). On price and device support there is nothing between them.

Both are free to download. Compound Interest Calculator 6 sells 1 one-off in-app purchase. TreeO2 asks for nothing beyond the download.

TreeO2 ships an update every 3 months, Compound Interest Calculator 6 monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TreeO2 | Compound Interest Calculator 6 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/compound-interest-calculator-6/id6747927756/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 53 MB | 7 MB |
| Requires iOS | **13.0** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [xpand Foundation](https://appshunter.io/developer/916513339) | [Maicol Cabreja](https://appshunter.io/developer/1616696771) |

## What reviewers say

### TreeO2

[App page](https://appshunter.io/ios/app/treeo2/id1608840223)

**Features:** macOS Compatibility

**In-app purchases:** none


### Compound Interest Calculator 6

[App page](https://appshunter.io/ios/app/compound-interest-calculator-6/id6747927756)

Precisely calculate investment growth for retirement, savings, and investment strategies. Visualize your financial future with interactive charts and real-time results. Designed for both beginners and experienced investors.

**Highlights:** Advanced compound interest calculations, Multiple compounding frequencies, Interactive growth charts, Real-time calculations, Works offline, Privacy-focused

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is TreeO2 free?

TreeO2 is free to download, with no in-app purchases.

### Is Compound Interest Calculator 6 free?

Compound Interest Calculator 6 is free to download, with in-app purchases available.

### Do TreeO2 or Compound Interest Calculator 6 have ads?

Compound Interest Calculator 6 shows ads; TreeO2 does not.

### Which is updated more often, TreeO2 or Compound Interest Calculator 6?

TreeO2 ships an update every 3 months, and Compound Interest Calculator 6 monthly. Most recently, TreeO2 was updated on November 3, 2026 and Compound Interest Calculator 6 on October 30, 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.*