# Compound by The Blocks vs Happened

The clearest difference is rating: Compound by The Blocks at 5.0 against Happened's 3.0. Compound by The Blocks also leads on iOS requirement (13.0 vs 17.6). Happened's advantage is update cadence (monthly vs every 7 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Compound by The Blocks holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Compound by The Blocks ships an update every 7 months, Happened monthly. The most recent releases landed on June 1, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Compound by The Blocks | Happened |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/compound-by-the-blocks/id6445939061/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/happened-event-logger/id6553981795/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Free | Free |
| Size | 7 MB | 2 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Seth Mitchell](https://appshunter.io/developer/1674968117) | [Pavel Shlyapnikov](https://appshunter.io/developer/1676899301) |

## What reviewers say

### Compound by The Blocks

[App page](https://appshunter.io/ios/app/compound-by-the-blocks/id6445939061)

Easily calculate the future growth of your savings using the power of compounding interest. This intuitive financial tool helps you visualize your wealth accumulation and make informed decisions for your financial future.

**Highlights:** Compound interest calculations, Savings growth projection, Intuitive user interface, Financial goal planning, Wealth building tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Happened

[App page](https://appshunter.io/ios/app/happened-event-logger/id6553981795)

Easily log life events with customizable tags and analyze them using various metrics. Track symptoms, hobbies, or any personal occurrence with a simple tap and visualize your data over time. The app prioritizes your privacy, storing data locally or in your iCloud.

**Highlights:** One-tap event logging, Four tag types: Valueless, Quantified, Balance, Binary, Timeline divided into five parts of the day, Drag and drop tag management, 10 types of visual metrics, Customizable time ranges for analytics, CloudKit data storage for privacy

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compound by The Blocks free?

Compound by The Blocks is free to download, with no in-app purchases.

### Is Happened free?

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

### Which has better reviews, Compound by The Blocks or Happened?

Compound by The Blocks is rated higher. Compound by The Blocks averages 5.0 out of 5 from 1 ratings, while Happened averages 3.0 from 2 ratings.

### Do Compound by The Blocks or Happened have ads?

Neither Compound by The Blocks nor Happened shows ads.

### Which is updated more often, Compound by The Blocks or Happened?

Compound by The Blocks ships an update every 7 months, and Happened monthly. Most recently, Compound by The Blocks was updated on June 1, 2026 and Happened on September 18, 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.*