# RM vs ID700

The clearest difference is update cadence: ID700 at monthly against RM's every 10 months. ID700 also leads on review sentiment (88% vs 67%) and rating (4.8 vs 4.6). RM's advantage is price ($9.99 vs $12.99) and iOS requirement (9.0 vs 12.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

RM costs $9.99 and ID700 $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ID700 holds the better App Store score, 4.8 against 4.6. That said, the two scores are not equally well evidenced: ID700 has 128 ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 67% of RM's written reviews are positive against 88% of ID700's.

RM ships an update every 10 months, ID700 monthly. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | RM | ID700 |
| --- | --- | --- |
| Price | **$9.99** | $12.99 |
| Rating | [4.6 (18 ratings)](https://appshunter.io/ios/app/rm-1-wave-modulator/id1436855751/reviews) | **[4.8 (128 ratings)](https://appshunter.io/ios/app/id700/id1482698043/reviews)** |
| Number of ratings | 18 | **128** |
| Positive reviews | 66.7% of reviews | **87.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | Paid | Paid |
| Size | 35 MB | 51 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | iPad | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [Jonathan Schatz](https://appshunter.io/developer/1482698042) |

## What reviewers say

### RM

[App page](https://appshunter.io/ios/app/rm-1-wave-modulator/id1436855751)

This audio effect app offers versatile modulation capabilities, including ring, amplitude, phase, and frequency modulation. It features a built-in carrier oscillator, multimode filter, envelope follower, and LFO for creating unique sounds. It can be used standalone or with other audio apps.

**Highlights:** Multiple modulation types (Ring, AM, FM, Phase), Built-in carrier oscillator, Multimode filter (LP, HP, BP), Envelope follower and LFO, Standalone and IAA/Audiobus support, AUv3 plugin compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### ID700

[App page](https://appshunter.io/ios/app/id700/id1482698043)

This app is a software synthesizer that recreates the voice architecture of the Buchla 700. It offers hybrid FM and waveshaping synthesis with extensive customization options for sound design. It functions as a standalone app or an AUv3 plugin for music production software.

**Highlights:** Hybrid FM and waveshaping synthesis, AUv3 and Standalone support, Twelve voices with unique algorithms, Fourteen complex envelopes per voice, Two waveshapers per voice, MPE capability, Scala scale file support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎶 Unique and beautiful sounds
- 💡 Inspiring and experimental sound design
- 🎹 High-quality instrument
- ✨ Intuitive and well-designed UI
- 🚀 Deep and complex synthesis

**What reviewers complain about**

- 🐛 Some users experience crashes on startup
- 🤏 Tiny UI elements (harmonics, font size)
- 🎨 Dark interface can be difficult for visually impaired users
- 🎚️ Knobs can be jumpy/sensitive
- 👆 Sliders not functioning properly (earlier reviews)

**Reported bugs**

- Crashes on startup
- MIDI cannot select a channel, responds to all
- App does not launch when plugged into an audio interface
- Sliders not functioning properly (combined left/right and up/down movement)
- Takes value from where slider is touched, preventing adjustment

**Requested features**

- Option for sliders to behave like faders
- Expandable harmonics section for precision
- On-screen mod wheel and pitch bend
- Option for different color schemes/themes
- Ability to make certain sections bigger for finer control


## Frequently asked questions

### Is RM free?

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

### Is ID700 free?

ID700 costs $12.99, with no in-app purchases.

### Which has better reviews, RM or ID700?

ID700 is rated higher. RM averages 4.6 out of 5 from 18 ratings, while ID700 averages 4.8 from 128 ratings.

### Do RM or ID700 have ads?

Neither RM nor ID700 shows ads.

### Which is updated more often, RM or ID700?

RM ships an update every 10 months, and ID700 monthly. Most recently, RM was updated on October 6, 2026 and ID700 on October 8, 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.*