# VB3m vs OB

The clearest difference is price: VB3m at $14.99 against OB's $19.99. VB3m also leads on rating (4.5 vs 4.2) and iOS requirement (12.0 vs 15.0). On review sentiment, ratings volume, update cadence and ads there is nothing between them.

VB3m costs $14.99 and OB $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

VB3m holds the better App Store score, 4.5 against 4.2. Both are backed by a comparable volume of ratings — 40 and 16 respectively. Written reviews point the same way: 78% of VB3m's written reviews are positive against 75% of OB's.

VB3m ships an update fortnightly, OB every 10 days. Both last shipped on October 18, 2026.

## The numbers

| Metric | VB3m | OB |
| --- | --- | --- |
| Price | **$14.99** | $19.99 |
| Rating | **[4.5 (40 ratings)](https://appshunter.io/ios/app/vb3m/id1560880479/reviews)** | [4.2 (16 ratings)](https://appshunter.io/ios/app/ob-xd-3-auv3-synth/id6654915211/reviews) |
| Number of ratings | **40** | 16 |
| Positive reviews | **78.0% of reviews** | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#192** | #194 |
| Size | 24 MB | 210 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Genuine Soundware](https://appshunter.io/developer/1560880481) | [DiscoDSP LLC](https://appshunter.io/developer/1465262828) |

## What reviewers say

### VB3m

[App page](https://appshunter.io/ios/app/vb3m/id1560880479)

**Currently charting:** #192 Top Paid · Music (US App Store)

This app is a virtual tonewheel organ emulator, meticulously recreating the sound and functionality of the classic Hammond B3. It offers advanced features like dual manuals, pedalboard, physical modeling, and a versatile rotary speaker effect, all controllable via MIDI.

**Highlights:** Dual manuals and pedalboard, Physical modeling engine, Rotary speaker effect, Tube overdrive simulation, MIDI CC mapping, AUv3 plugin support

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🎶 Authentic organ sound
- ✨ Excellent sound quality
- 💻 Great for live performances
- 💡 Incredible value for price
- 🚀 Fast and stable performance

**What reviewers complain about**

- 🐛 Graphics are pixelated/blurry
- 🔋 High battery drain
- 🐞 Sound gets stuck
- 🔌 Issues with GarageBand integration
- 📉 Not as good as dedicated hardware

**Reported bugs**

- Sound gets stuck
- Non funziona più (stops working)
- Non riesco più a sentire il suono (no sound after iPad update)
- Sounds get stuck, developer not responding
- UI is pixelated and needs a refresh

**Requested features**

- Add parametric EQ
- Adjustable sustain
- Adjustable Leslie transition speed
- Save drawbar registrations
- Reverse color keys for quick access


### OB

[App page](https://appshunter.io/ios/app/ob-xd-3-auv3-synth/id6654915211)

**Currently charting:** #194 Top Paid · Music (US App Store)

This app recreates a classic vintage synthesizer, offering rich, full-bodied tones for electronic music, recordings, and film scores. It features MPE support, an on-screen MIDI keyboard, and high-quality rendering for enhanced music production.

**Highlights:** Oberheim OB-X emulation, MPE support, On-screen MIDI keyboard, High-quality retina rendering, AUv3 improvements, Preset search with categories

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is VB3m free?

VB3m costs $14.99, with no in-app purchases.

### Is OB free?

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

### Which has better reviews, VB3m or OB?

VB3m is rated higher. VB3m averages 4.5 out of 5 from 40 ratings, while OB averages 4.2 from 16 ratings.

### Do VB3m or OB have ads?

Neither VB3m nor OB shows ads.

### Which is updated more often, VB3m or OB?

VB3m ships an update fortnightly, and OB every 10 days. Most recently, VB3m was updated on October 18, 2026 and OB on October 18, 2026.

### Which is more popular, VB3m or OB?

VB3m currently peaks at #192 in the App Store charts, and OB at #194. Chart position reflects recent download velocity rather than total install base.

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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.*