# Danley Tools vs Memofi

The clearest difference is in-app purchases: Danley Tools at none against Memofi's 2. Memofi's advantage is update cadence (every 2 months vs every 36 months) and iOS requirement (14.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Memofi sells 2 in-app purchases, starting at $9.99 per month. Danley Tools asks for nothing beyond the download.

Danley Tools ships an update every 36 months, Memofi every 2 months. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Danley Tools | Memofi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/danley-tools/id1538456260/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 36 months | **Every 2 months** |
| Monetization | Free | — |
| Size | 7 MB | 87 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sebastian rivas](https://appshunter.io/developer/506708461) | [Mao Shen Yeh](https://appshunter.io/developer/1809941024) |

## What reviewers say

### Danley Tools

[App page](https://appshunter.io/ios/app/danley-tools/id1538456260)

This app provides essential calculators and reference materials for audio engineering professionals and enthusiasts. It offers tools to assist with various calculations needed in sound system design and analysis.

**Highlights:** Audio engineering calculators, Reference materials, Sound system design tools, Analysis assistance

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

**In-app purchases:** none


### Memofi

[App page](https://appshunter.io/ios/app/memofi-ai-learning-assistant/id6753154862)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Memofi Pro monthly plan | $9.99 | per month |
| Memofi Pro yearly plan | $99.99 | per year |


## Frequently asked questions

### Is Danley Tools free?

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

### Is Memofi free?

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

### Do Danley Tools or Memofi have ads?

Neither Danley Tools nor Memofi shows ads.

### Which is updated more often, Danley Tools or Memofi?

Danley Tools ships an update every 36 months, and Memofi every 2 months. Most recently, Danley Tools was updated on October 7, 2026 and Memofi on October 25, 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.*