# Annuity Lab vs Compounder

The clearest difference is review sentiment: Compounder at 61% against Annuity Lab's 0%. Compounder also leads on rating (4.8 vs 1.1) and ratings volume (3.4K vs 10). Annuity Lab's advantage is iOS requirement (11.0 vs 16.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Compounder holds the better App Store score, 4.8 against 1.1. That said, the two scores are not equally well evidenced: Compounder has 3.4K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 0% of Annuity Lab's written reviews are positive against 61% of Compounder's.

Annuity Lab ships an update every 4 months, Compounder every 3 weeks. The most recent releases landed on September 29, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Annuity Lab | Compounder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.1 (10 ratings)](https://appshunter.io/ios/app/annuity-lab/id1152480477/reviews) | **[4.8 (3.4K ratings)](https://appshunter.io/ios/app/compounder/id1412552240/reviews)** |
| Number of ratings | 10 | **3.4K** |
| Positive reviews | 0.0% of reviews | **61.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 11 MB | 3 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Brody Knob LLC](https://appshunter.io/developer/1152480476) | [James Bevins](https://appshunter.io/developer/1137750302) |

## What reviewers say

### Annuity Lab

[App page](https://appshunter.io/ios/app/annuity-lab/id1152480477)

Compare living benefit riders and fixed index annuities with detailed calculations for annual returns, income potential, and historical index performance. Plan your retirement income with interactive modeling tools.

**Highlights:** Living Benefit Rider comparison, Fixed Index Annuity comparison, Annual rate of return calculation, Annual income projection, Historical index performance analysis, Required initial premium calculation, 30-year contract value modeling

**Features:** macOS Compatibility

**In-app purchases:** none


### Compounder

[App page](https://appshunter.io/ios/app/compounder/id1412552240)

Calculate the growth of savings and investments using compound interest. Explore how regular contributions and withdrawals impact your financial goals over time. Designed for anyone to understand and utilize the power of compounding for wealth building.

**Highlights:** Calculate compound interest, Flexible settings, Factor in periodic withdrawals, Factor in additional contributions, Easy-to-use interface

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Instant results
- 💡 Helps explain investments
- 🚀 Simple and easy to use
- 👍 Best and easiest compound calculator

**What reviewers complain about**

- 🐛 Glitchy and not user-friendly after update
- 🐛 Can't use quarterly, monthly, or weekly buttons after update
- 🐛 New version not working well on iPhone
- 🐛 Can't click off of monthly to quarterly, yearly, or weekly
- 🐛 Compound frequency stuck on monthly after update

**Reported bugs**

- Calculation issues with initial investment
- Formatting issues on mobile devices
- Crashes after short usage

**Requested features**

- Add percentage option for withdrawal
- Allow adjusting periodic contributions (weekly, monthly, etc.)
- Include daily compounding option
- Add inflation adjustment to contributions and outputs
- Create a widget version


## Frequently asked questions

### Is Annuity Lab free?

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

### Is Compounder free?

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

### Which has better reviews, Annuity Lab or Compounder?

Compounder is rated higher. Annuity Lab averages 1.1 out of 5 from 10 ratings, while Compounder averages 4.8 from 3.4K ratings.

### Do Annuity Lab or Compounder have ads?

Neither Annuity Lab nor Compounder shows ads.

### Which is updated more often, Annuity Lab or Compounder?

Annuity Lab ships an update every 4 months, and Compounder every 3 weeks. Most recently, Annuity Lab was updated on September 29, 2026 and Compounder on October 11, 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.*