# ABC Listen vs SlipBox

The clearest difference is update cadence: SlipBox at every 3 weeks against ABC Listen's every 14 months. SlipBox also leads on review sentiment (90% vs 67%) and price ($0.99 vs $1.99). ABC Listen's advantage is iOS requirement (13.0 vs 18.2). On ads, in-app purchases, monetization model and device support there is nothing between them.

ABC Listen costs $1.99 and SlipBox $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ABC Listen ships an update every 14 months, SlipBox every 3 weeks. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ABC Listen | SlipBox |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| Rating | — | **[3.3 (3 ratings)](https://appshunter.io/ios/app/slipbox-zettelkasten-notes/id6743237863/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 66.7% of reviews | **90.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 14 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 17 MB | 8 MB |
| Requires iOS | **13.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Richard Seidl](https://appshunter.io/developer/1689782113) | [Ozlem AKBUDAK](https://appshunter.io/developer/1736380201) |

## What reviewers say

### ABC Listen

[App page](https://appshunter.io/ios/app/abc-listen/id6449600781)

This app helps you generate creative ideas and solutions using the ABC list method. Simply input a topic, set a timer, and start typing your associations to unlock new thoughts and perspectives.

**Highlights:** ABC list method for idea generation, Topic-based idea collection, Integrated timer for focused sessions, Copy results to clipboard, Tips for enhanced association

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

**In-app purchases:** none


### SlipBox

[App page](https://appshunter.io/ios/app/slipbox-zettelkasten-notes/id6743237863)

This app helps you build a structured web of knowledge using the Zettelkasten method. Its minimalist design and continuous scrolling interface encourage active recall and pattern recognition for deep cognitive work. Your notes are stored locally for privacy.

**Highlights:** Continuous scroll interface, Zettelkasten method implementation, Intentional tagging system, Minimalist design, Privacy-first, local storage

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

**In-app purchases:** none


## Frequently asked questions

### Is ABC Listen free?

ABC Listen costs $1.99, with no in-app purchases.

### Is SlipBox free?

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

### Do ABC Listen or SlipBox have ads?

Neither ABC Listen nor SlipBox shows ads.

### Which is updated more often, ABC Listen or SlipBox?

ABC Listen ships an update every 14 months, and SlipBox every 3 weeks. Most recently, ABC Listen was updated on October 15, 2026 and SlipBox on October 7, 2026.

---

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