# shortReverse II vs Dial Upstrum

The clearest difference is iOS requirement: shortReverse II at 12.0 against Dial Upstrum's 18.0. On price, ads, in-app purchases and device support there is nothing between them.

shortReverse II costs $3.99 and Dial Upstrum $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | shortReverse II | Dial Upstrum |
| --- | --- | --- |
| Price | $3.99 | $3.99 |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/dial-upstrum/id6746068214/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | — | Paid |
| Size | 14 MB | 43 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Kajii](https://appshunter.io/developer/1777441634) | [Dave Sapien Ltd.](https://appshunter.io/developer/430607180) |

## What reviewers say

### shortReverse II

[App page](https://appshunter.io/ios/app/shortreverse-ii/id6745790955)

**In-app purchases:** none


### Dial Upstrum

[App page](https://appshunter.io/ios/app/dial-upstrum/id6746068214)

Transform classic modem sounds into a unique musical instrument. Explore phase and pitch variations to create distinctive audio and visuals, and integrate with AUv3 hosts for advanced music production.

**Highlights:** Play 56k modem handshake sounds as an instrument, Adjust phase and pitch of sounds, Modify visuals alongside audio, AUv3 plugin support, Inspired by ZX Plectrum

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

**In-app purchases:** none


## Frequently asked questions

### Is shortReverse II free?

shortReverse II costs $3.99, with no in-app purchases.

### Is Dial Upstrum free?

Dial Upstrum costs $3.99, with no in-app purchases.

### Do shortReverse II or Dial Upstrum have ads?

Neither shortReverse II nor Dial Upstrum shows ads.

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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.*