# Retromulator vs TEMPO

The clearest difference is review sentiment: TEMPO at 100% against Retromulator's 50%. TEMPO also leads on price ($9.99 vs $19.99). Retromulator's advantage is chart position (#189 vs unranked) and iOS requirement (15.0 vs 17.0). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

Retromulator costs $19.99 and TEMPO $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Retromulator ships an update every 3 days, TEMPO every 4 days. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Retromulator | TEMPO |
| --- | --- | --- |
| Price | $19.99 | **$9.99** |
| Rating | — | **[4.3 (3 ratings)](https://appshunter.io/ios/app/tempo-1/id6768481470/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 4 days |
| Monetization | Paid | Paid |
| Best chart rank | **#189** | — |
| Size | 83 MB | 99 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) | [Richard Gillespie](https://appshunter.io/developer/1887994349) |

## What reviewers say

### Retromulator

[App page](https://appshunter.io/ios/app/retromulator/id6764767449)

**Currently charting:** #189 Top Paid · Music (US App Store)

This app recreates legendary vintage synthesizers, samplers, and keyboards through accurate emulation. It functions as a standalone application or an AUv3 plugin, offering classic electronic music hardware sounds on iOS devices.

**Highlights:** Cycle-accurate hardware emulation, AUv3 plugin support, Standalone app functionality, Full MIDI control, ROM firmware loading, Background audio support

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

**In-app purchases:** none


### TEMPO

[App page](https://appshunter.io/ios/app/tempo-1/id6768481470)

Create beats quickly with a 12-voice drum machine featuring deep sequencing, live capture, and resampling. Shape sounds with modeled drums, samples, or your own WAVs, then mix and add effects to finish your tracks anywhere.

**Highlights:** 12-voice drum workstation, Playable pads and step sequencing, Up to 64 steps per pattern, Modeled drums and user WAV import, Live capture and resampling, Mixer, FX, and automation, AUv3 extension

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Retromulator free?

Retromulator costs $19.99, with no in-app purchases.

### Is TEMPO free?

TEMPO costs $9.99, with no in-app purchases.

### Do Retromulator or TEMPO have ads?

Neither Retromulator nor TEMPO shows ads.

### Which is updated more often, Retromulator or TEMPO?

Retromulator ships an update every 3 days, and TEMPO every 4 days. Most recently, Retromulator was updated on October 18, 2026 and TEMPO on October 22, 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.*