# Filters vs InNote

The clearest difference is review sentiment: InNote at 100% against Filters's 0%. InNote also leads on price (Free vs $0.99) and update cadence (every 2 months vs every 40 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

InNote is free to download; Filters costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Filters ships an update every 40 months, InNote every 2 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Filters | InNote |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[3.0 (1 ratings)](https://appshunter.io/ios/app/filters/id369326771/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Size | 3 MB | 59 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [红喜 燕](https://appshunter.io/developer/1226829115) |

## What reviewers say

### Filters

[App page](https://appshunter.io/ios/app/filters/id369326771)

This application assists in calculating electronic filter components for speaker systems. It automatically determines inductor and capacitor values based on desired impedance and cutoff frequency, and designs circuits for various speaker types. Users can visualize frequency and phase diagrams for their custom speaker designs.

**Highlights:** Automatic electronic component calculation, Frequency and phase diagram display (Bode plots), Electronic circuit schema display, Support for various speaker types (high, mid, low, sub), First and second-order filter design, Complete filter theory and formulas

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

**In-app purchases:** none


### InNote

[App page](https://appshunter.io/ios/app/innote/id1249655357)

Capture inspiration, manage knowledge, and document your life with a minimalist note-taking tool. Effortlessly preserve important moments using text, voice, video, or map locations.

**Highlights:** Text notes, Voice recording, Video capture, Map location saving, Minimalist design, Knowledge management

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

**In-app purchases:** none


## Frequently asked questions

### Is Filters free?

Filters costs $0.99, with no in-app purchases.

### Is InNote free?

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

### Do Filters or InNote have ads?

Neither Filters nor InNote shows ads.

### Which is updated more often, Filters or InNote?

Filters ships an update every 40 months, and InNote every 2 months. Most recently, Filters was updated on November 1, 2026 and InNote on November 2, 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.*