# Compound Calculator vs Chat Notes

The clearest difference is in-app purchases: Chat Notes at none against Compound Calculator's 3. Chat Notes also leads on iOS requirement (13.0 vs 17.6). Compound Calculator's advantage is update cadence (every 5 days vs every 10 days). On price, ads and device support there is nothing between them.

Both are free to download. Compound Calculator sells 3 in-app purchases, starting at $2.99 per month. Chat Notes asks for nothing beyond the download.

Compound Calculator ships an update every 5 days, Chat Notes every 10 days. The most recent releases landed on August 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Compound Calculator | Chat Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chat-notes-threaded-ideas/id6753681215/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 10 days |
| Monetization | — | Free |
| Size | 5 MB | 27 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Muhammed Mukhthar CM](https://appshunter.io/developer/1776993410) |

## What reviewers say

### Compound Calculator

[App page](https://appshunter.io/ios/app/compound-calculator-lite/id6749442265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Calculator - Pro 30days | $2.99 | per month |
| Compound Calculator - Pro 360days | $14.99 | per year |
| Compound Calculator Pro - lifetime | $19.99 | one-time |


### Chat Notes

[App page](https://appshunter.io/ios/app/chat-notes-threaded-ideas/id6753681215)

Capture thoughts and ideas in a conversational, chat-like interface. Organize notes into threads and stacks, attach media, and enjoy fast, local storage. Personalize your experience with themes and fonts.

**Highlights:** Conversational note interface, Attach images and voice memos, Organize notes into Stacks, Create threaded replies, Local device storage, Link previews, Customizable themes and fonts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compound Calculator free?

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

### Is Chat Notes free?

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

### Do Compound Calculator or Chat Notes have ads?

Neither Compound Calculator nor Chat Notes shows ads.

### Which is updated more often, Compound Calculator or Chat Notes?

Compound Calculator ships an update every 5 days, and Chat Notes every 10 days. Most recently, Compound Calculator was updated on August 19, 2026 and Chat Notes on September 10, 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.*