# SUBscription Synth vs Riffler Flow

The clearest difference is price: SUBscription Synth at $2.99 against Riffler Flow's $14.99. SUBscription Synth also leads on review sentiment (88% vs 50%) and rating (4.6 vs 4.1). Riffler Flow's advantage is chart position (#185 vs unranked). On ratings volume, ads, in-app purchases and device support there is nothing between them.

SUBscription Synth costs $2.99 and Riffler Flow $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

SUBscription Synth holds the better App Store score, 4.6 against 4.1. Both are backed by a comparable volume of ratings — 42 and 25 respectively. Written reviews point the same way: 88% of SUBscription Synth's written reviews are positive against 50% of Riffler Flow's.

SUBscription Synth ships an update every 2 days, Riffler Flow weekly. The most recent releases landed on September 23, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | SUBscription Synth | Riffler Flow |
| --- | --- | --- |
| Price | **$2.99** | $14.99 |
| Rating | **[4.6 (42 ratings)](https://appshunter.io/ios/app/subscription-synth/id6450652011/reviews)** | [4.1 (25 ratings)](https://appshunter.io/ios/app/riffler-flow/id6467568526/reviews) |
| Number of ratings | **42** | 25 |
| Positive reviews | **87.5% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#185** |
| Size | 8 MB | 780 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Caelum Audio](https://appshunter.io/developer/1463219587) | [Jonathan Bell](https://appshunter.io/developer/1061939293) |

## What reviewers say

### SUBscription Synth

[App page](https://appshunter.io/ios/app/subscription-synth/id6450652011)

This app transforms user-entered text into unique monophonic sub-synth waveshapes. It offers a text-to-synthesis engine, drive and dirt effects, a low-pass filter, and extensive modulation options for creating powerful bass sounds.

**Highlights:** Text-to-synthesis engine, Monophonic sub-synth, Drive and dirt effects, 12dB/oct low-pass filter, 2 envelopes, 2 LFOs, 4 expression controls, AUv3 plugin and standalone operation

**In-app purchases:** none


### Riffler Flow

[App page](https://appshunter.io/ios/app/riffler-flow/id6467568526)

**Currently charting:** #185 Top Paid · Music (US App Store)

Instantly generate clean, arpeggio-based guitar riffs for various music genres. Explore preset styles or customize your own unique sounds with realistic tones and extensive chord options. Ideal for producers, songwriters, and musicians seeking creative inspiration.

**Highlights:** Instant arpeggio-based riff generation, Preset styles for Hip-Hop, Pop, EDM, Rock, Customizable settings for personalization, AUv3 plugin integration, Realistic guitar and synth tones, Chord and progression generator, Tablature output

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

**In-app purchases:** none


## Frequently asked questions

### Is SUBscription Synth free?

SUBscription Synth costs $2.99, with no in-app purchases.

### Is Riffler Flow free?

Riffler Flow costs $14.99, with no in-app purchases.

### Which has better reviews, SUBscription Synth or Riffler Flow?

SUBscription Synth is rated higher. SUBscription Synth averages 4.6 out of 5 from 42 ratings, while Riffler Flow averages 4.1 from 25 ratings.

### Do SUBscription Synth or Riffler Flow have ads?

Neither SUBscription Synth nor Riffler Flow shows ads.

### Which is updated more often, SUBscription Synth or Riffler Flow?

SUBscription Synth ships an update every 2 days, and Riffler Flow weekly. Most recently, SUBscription Synth was updated on September 23, 2026 and Riffler Flow on September 17, 2026.

---

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