# Compound Interest Calc vs WilliT

The clearest difference is in-app purchases: WilliT at none against Compound Interest Calc's 1. WilliT also leads on ads (none vs shown) and review sentiment (94% vs 69%). Compound Interest Calc's advantage is ratings volume (6.5K vs 20). On price, rating, update cadence and device support there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.8 for Compound Interest Calc against 4.8 for WilliT. That said, the two scores are not equally well evidenced: Compound Interest Calc has 6.5K ratings behind it against 20, so its average is the more settled of the two. Written reviews are what separate them: 69% of Compound Interest Calc's written reviews are positive against 94% of WilliT's.

Compound Interest Calc ships an update every 3 months, WilliT every 2 months. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Compound Interest Calc | WilliT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (6.5K ratings)](https://appshunter.io/ios/app/compound-interest-calc/id1509212588/reviews) | [4.8 (20 ratings)](https://appshunter.io/ios/app/willit-make-your-will/id6450900074/reviews) |
| Number of ratings | **6.5K** | 20 |
| Positive reviews | 68.6% of reviews | **93.8% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 53 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dane Hankamer](https://appshunter.io/developer/1509095396) | [WilliT (Apps)](https://appshunter.io/developer/1695584405) |

## What reviewers say

### Compound Interest Calc

[App page](https://appshunter.io/ios/app/compound-interest-calc/id1509212588)

Plan your financial future with a powerful compound interest calculator. It helps you visualize investment growth with periodic contributions and plan retirement withdrawals with inflation adjustments. Offers detailed breakdowns and interactive charts for informed financial decisions.

**Highlights:** Calculate investment growth with contributions, Plan retirement withdrawals with inflation, Interactive growth and depletion charts, Year-by-year detailed breakdowns, Real-time calculations, Works offline

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

**In-app purchases (1)**

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

**What reviewers like**

- 🚀 Easy to use
- 🚀 Visually appealing
- 🚀 Helpful for financial planning
- 🚀 Powerful compound interest calculations
- 🚀 Intuitive interface

**What reviewers complain about**

- 🐛 Scaling issues on smaller devices
- 🐛 Inaccurate calculations in certain scenarios
- 🐛 Frequent ads disrupting user experience
- 🐛 Crashing and compatibility issues
- 🐛 Lack of customization options

**Reported bugs**

- Withdrawal calculations showing incorrect results
- App crashing on certain device models
- Scaling issues on iPad devices
- Compound interest calculations not accurate for weekly/monthly contributions

**Requested features**

- Add dividend calculation option
- Allow for daily compound interest calculations
- Implement a save/load feature to retain user inputs
- Add ability to input one-time lump sum contributions
- Provide inflation-adjusted withdrawal calculations


### WilliT

[App page](https://appshunter.io/ios/app/willit-make-your-will/id6450900074)

Easily create a legally valid Will or Power of Attorney in minutes. This platform simplifies estate planning, offering a secure and efficient way to organize and distribute your assets without the traditional costs and time commitment.

**Highlights:** Create Wills, Create Power of Attorney, User-friendly interface, Secure asset distribution, Efficient organization, Eliminates traditional costs

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

**In-app purchases:** none


## Frequently asked questions

### Is Compound Interest Calc free?

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

### Is WilliT free?

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

### Which has better reviews, Compound Interest Calc or WilliT?

Compound Interest Calc and WilliT are both rated 4.8 out of 5 on the App Store, from 6.5K and 20 ratings respectively.

### Do Compound Interest Calc or WilliT have ads?

Compound Interest Calc shows ads; WilliT does not.

### Which is updated more often, Compound Interest Calc or WilliT?

Compound Interest Calc ships an update every 3 months, and WilliT every 2 months. Most recently, Compound Interest Calc was updated on September 23, 2026 and WilliT on June 1, 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.*