# Dilution + vs Notecho

The clearest difference is price: Notecho at Free against Dilution +'s $0.99. Notecho also leads on update cadence (every 8 days vs every 24 months) and device support (3 vs 1). Dilution +'s advantage is in-app purchases (none vs 2). On ads there is nothing between them.

Notecho is free to download; Dilution + costs $0.99 up front. Notecho sells 2 in-app purchases, starting at $0.99 per month. Dilution + asks for nothing beyond the download.

Dilution + ships an update every 24 months, Notecho every 8 days. The most recent releases landed on September 23, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Dilution + | Notecho |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/notecho/id6451473584/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 8 days** |
| Monetization | — | Freemium |
| Size | 6 MB | 44 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Arpacore B.V.](https://appshunter.io/developer/1441928570) | [Beijing Maoxianqiu Technology Co., Ltd.](https://appshunter.io/developer/1574811254) |

## What reviewers say

### Dilution +

[App page](https://appshunter.io/ios/app/dilution-plus/id1548509209)

**Features:** macOS Compatibility

**In-app purchases:** none


### Notecho

[App page](https://appshunter.io/ios/app/notecho/id6451473584)

Capture your daily life and thoughts, and watch as AI characters comment and engage with your narrative. This app offers a relaxed way to interact with AI, drawing inspiration without the pressure of direct conversation. It seamlessly blends note-taking with AI for a unique and enriching experience.

**Highlights:** AI character comments and discussions, Seamlessly blends note-taking with AI, Offline note-taking support, Ad-free experience, Simple and user-friendly interface, Privacy-focused content

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Notecho Premium | $0.99 | per month |
| Notecho Premium | $8.99 | per year |


## Frequently asked questions

### Is Dilution + free?

Dilution + costs $0.99, with no in-app purchases.

### Is Notecho free?

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

### Do Dilution + or Notecho have ads?

Neither Dilution + nor Notecho shows ads.

### Which is updated more often, Dilution + or Notecho?

Dilution + ships an update every 24 months, and Notecho every 8 days. Most recently, Dilution + was updated on September 23, 2026 and Notecho on June 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*