# Liminal Flow vs Arc

The clearest difference is monetization model: Liminal Flow at free with in-app purchases against Arc's subscription. Arc's advantage is update cadence (every 4 days vs every 2 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Liminal Flow sells 4 in-app purchases, starting at $4.99 per month and Arc sells 5 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Liminal Flow against 4.9 for Arc. Both are backed by a comparable volume of ratings — 4 and 7 respectively.

Liminal Flow ships an update every 2 months, Arc every 4 days. The most recent releases landed on June 4, 2026 and July 20, 2026 respectively.

## The numbers

| Metric | Liminal Flow | Arc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/liminal-flow/id6445901345/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/arc-ranked-workout-planner/id6743083773/reviews) |
| Number of ratings | 4 | **7** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 105 MB | 85 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Liminal Flow LLC](https://appshunter.io/developer/1669795723) | [Tegveer Bhatti](https://appshunter.io/developer/1781722063) |

## What reviewers say

### Liminal Flow

[App page](https://appshunter.io/ios/app/liminal-flow/id6445901345)

Experience immersive soundscapes designed for meditation, sleep, focus, and deep relaxation. This app generates unique, evolving audio experiences to help regulate your nervous system and cultivate presence. It supports various uses, from personal wellness to professional client sessions.

**Highlights:** Infinitely evolving soundscapes, Supports sleep and meditation, Enhances focus and creativity, Nervous system regulation, Designed for deep listening, Sound refuge for relaxation

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Monthly | $9.99 | per month |
| Annual | $39.99 | per year |
| Annual | $59.99 | per year |


### Arc

[App page](https://appshunter.io/ios/app/arc-ranked-workout-planner/id6743083773)

This app generates personalized workout plans based on your fitness goals and stats. It offers tailored routines to help you achieve your dream physique. Personalized plans require a subscription.

**Highlights:** Personalized workout plans, Goal-based physique planning, User stat integration, Customizable routines, Routine suggestions

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited (Monthly) | $12.99 | per month |
| Unlimited (Annual) | $39.99 | per year |
| Unlimited (Annual) | $39.99 | per year |
| Unlimited (Annual) | $69.99 | per year |
| Unlimited (Annual) | $69.99 | per year |


## Frequently asked questions

### Is Liminal Flow free?

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

### Is Arc free?

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

### Which has better reviews, Liminal Flow or Arc?

Liminal Flow is rated higher. Liminal Flow averages 5.0 out of 5 from 4 ratings, while Arc averages 4.9 from 7 ratings.

### Do Liminal Flow or Arc have ads?

Neither Liminal Flow nor Arc shows ads.

### Which is updated more often, Liminal Flow or Arc?

Liminal Flow ships an update every 2 months, and Arc every 4 days. Most recently, Liminal Flow was updated on June 4, 2026 and Arc on July 20, 2026.

---

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