Combo Organ Model V vs strng
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Combo Organ Model V
Experience the authentic sound of 60s transistor organs, famously used in psychedelic rock. This app offers a realistic sound engine with multiple instrument tones and built-in effects like reverb and vibrato. It's compatible with various audio routing technologies for seamless integration into your music production workflow.
- Realistic 60s transistor organ sound
- Multiple instrument tones (Flute, Bright, Brass, Mellow)
- Built-in spring reverb effect
- Adjustable vibrato effect
- Audiobus 3 & Audio Unit compatible
- Core MIDI and MIDI over Bluetooth LE compatible
- Scrollable and dual keyboard options
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Combo Organ had a strong impact on rock, becoming a trademark sound of the psychedelic rock bands. You will be surprised at the real sound generated from this App and LIGHT YOUR FIRE! It has been featured on the following songs & albums, - "Lucy in the Sky with Diamonds” by The Beatles - "Light My Fire" by The Doors - "Born To Be Wild" by Steppenwolf - "House of The Rising Sun" by The Animals - "Good Vibrations" by The Beach Boys - "I’m A Believer" by The Monkees - "In-A-Gadda-Da-Vida" by Iron Butterfly - "Astronomy Domine" by Pink Floyd and much more.... - Optimized appearance on iPhone X, XR, XS/XS Max - Compatible with Audiobus 3 & Audio Unit - Core MIDI and MIDI over Bluetooth LE compatible - Supports Audiobus and Inter-App Audio (requires iOS 7 or later) - Scrollable Keyboard & dual Keyboards(Only iPad) with switchable key width - Pre-loaded with 4 instruments including FLUTE, BRIGHT, BRASS, MELLOW - BASS tone is assigned on lowest octave keys - Built-in Reverb that simulates a spring reverb - Vibrato that can adjust the rate and depth
strng
This app generates plucked string sounds using a physical modeling synthesis engine. It offers polyphonic voices, a built-in keyboard, and MIDI control. Shape your sound with delay and resonant filters, and integrate with other music apps.
- Physical modeling string synthesis
- 16 voice polyphony
- Built-in 25-key keyboard with aftertouch
- MIDI controller support (USB/Wi-Fi)
- Stereo ping-pong delay
- Two-channel resonant filter with LFOs
- Audiobus, IAA, and AUv3 support
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Strng is a string synthesiser inspired by the karplus-strong algorithm. The physical modelling starts with a short burst of noise that then guided by a tuned delay buffer and string tension filter, generates plucked string like sounds. No samples are used. Strng is 16 voice polyphonic and can be controlled with an in app 25 key chromatic keyboard or connect prefered midi controller through USB or Wifi. To further shape the sound two post effects are available, a ping-pong stereo delay and two channel resonant filter controlled by two LFOs. Connect to other apps through AudioBus, inter app audio or load in DAWs as AUv3. +++ String synthesis engine +++ 16 voice polyphonic +++ Audiobus, IAA and AUv3 +++ Core MIDI, bluetooth midi and limited MPE +++ 25 multitouch keyboard with aftertouch control +++ Factory presets, save and load your own settings, drag'n drop from files app +++ Aftertouch modulation for attack, sustain, bit crush, resonant filter and detune lfo +++ Stereo ping-pong delay +++ Two channel resonant low pass filter LFOs
Screenshots
Verdict
The clearest difference is review sentiment: strng at 84% against Combo Organ Model V's 58%. strng also leads on rating (4.7 vs 4.4) and iOS requirement (9.0 vs 14.0). Combo Organ Model V's advantage is price ($3.99 vs $4.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Combo Organ Model V costs $3.99 and strng $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
strng holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 18 and 35 respectively. Written reviews point the same way: 58% of Combo Organ Model V's written reviews are positive against 84% of strng's.
Both ship on a similar rhythm, roughly every 4 months. Both last shipped on October 24, 2026.
| Parameter | Combo Organ Model V | strng |
|---|---|---|
| Price | $3.99 — better | $4.99 |
| Rating | 4.4 (18 ratings) | 4.7 (35 ratings) — better |
| Positive reviews | 57.9% of reviews | 84.4% of reviews — better |
| Number of ratings | 18 | 35 — better |
| Update frequency | Every 4 months | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 9.0 — better |
| Further details — not scored | ||
| Size | 31 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | insideout ltd. | Erik Sigth |
Customer experience
Combo Organ Model V
strng
In-app purchases
Combo Organ Model V
No in-app purchases
strng
No in-app purchases
