JamUp Pro vs jAmp IR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
JamUp Pro
This app provides a powerful multi-effects processor for guitar and bass, offering a vast library of amp and effect models. Users can create custom signal chains, access a community of shared presets, and record their music.
- Multi-effects processor for guitar and bass
- Access to 6 amps and 16 premium effects
- Customizable signal chain with drag-and-drop interface
- ToneCloud® for sharing and downloading presets
- Jam Player with tempo and pitch adjustment
- 8-track recorder and phrase sampler
- Seamless integration with BIAS Amp
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JamUp is the #1 multi-effects processor for guitar and bass. Available for iPad and iPhone, JamUp gives you instant access to a ToneCloud® sharing community with over 10,000 presets from artists, user, and our own Positive Grid team. It’s designed to work seamlessly with BIAS Amp to create your ultimate guitar amp. With more than 3 million users worldwide, JamUp has been featured in Macworld, Premier Guitar, Guitar World, Guitar Player, and more. The original JamUp comes equipped with one amp and six effects. JamUp Pro gives you the power of six amps and 16 premium rack and stomp-box effects, including distortion, compression, tape delay, tremolo, and spring reverb. Both JamUp and JamUp Pro include jam player, phase sampler, tone sharing, preset manager, optional 8-track recorder, live view, tuner, and metronome. With its easy-to-use drag-and-drop interface, JamUp enables you to arrange a studio-quality collection of amps and effects models into your own custom signal chain. Get the optional expansion packs for access to a mind-boggling 52 amp channels and 50 classic effects. Each amp model has been developed using Positive Grid’s MESH multi-stage modeling technology, and has been meticulously measured and analyzed against actual hardware. With its dead-on accuracy and tube-like touch and feel JamUp delivers dramatically improved sonic performance over other digital amp modelers. Import songs from your iTunes library to jam along with using the Jam Player module. Adjust the tempo and pitch with the high-fidelity time-stretching engine. Easily record and layer looped parts with the sound-on-sound phrase sampler. With the built-in tuner and metronome, and optional 8-track recorder, JamUp delivers a complete, professional processing and recording solution. Join our worldwide community with JamUp’s ToneCloud® connectivity. Create, share, and download custom presets right inside JamUp. Check out presets from top artists, staff picks, or user-created tones from all over the world. JamUp now seamlessly integrates with Positive Grid’s BIAS Amp app, instantly expanding JamUp into a powerful and completely unified professional guitar system for live performance, recording, and jamming. Features: ● Real-time guitar/bass amp and multi-effects processor ● Seamless integration with BIAS Amp ● Simultaneously run seven amp and effects models ● Drag-and-drop signal path for easy tone creation ● Six amps and 16 premium effects ● Additional 48 amp channels and 40 effect models (via in-app purchase expansion packs) ● Complete 8-track recorder system (via in-app purchase) ● Phrase sampler with undo feature, start module selection, and synchronized metronome ● Access to your iTunes library with time stretching (pitch/speed) engine via Jam Player module ● Tone sharing, allowing you to download over 10,000 artist and user presets or share your own ● 128 slot preset manager ● Live view control page ● Built-in tuner/metronome ● MIDI learning and assignment ● Audio copy/paste ● Audiobus support in 3 slots ● And much more! For iPhone 7 users: You will need a Lightning interface with an output to use this Positive Grid app. For more information, please visit: https://help.positivegrid.com/hc/en-us/articles/115003558023-How-to-set-up-with-my-iPhone-iPad- For more information, please visit: www.positivegrid.com Twitter: @PositiveGrid facebook.com/positivegrid
jAmp IR
This tool loads impulse responses for guitar and bass amp cabinet simulation. It allows mixing two impulse responses and offers fine control over filters, gain, and phase. The app includes five high-quality impulse responses.
- Impulse response loader
- Cabinet simulator for guitar and bass
- Mix two impulse responses
- High and low pass filters
- Gain control
- Phase inversion
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jAmp IR is a zero latency impulse response loader tool in AUv3 plugin format. It is designed to be a cabinet simulator for guitar and bass amps. Two impulse responses can be mixed. Furthermore there is fine level control in the form of high and low pass filters, gain control, and phase inversion. The app comes with 5 high quality impulse responses.
Screenshots
Verdict
The clearest difference is price: jAmp IR at Free against JamUp Pro's $7.99. jAmp IR also leads on in-app purchases (none vs 10) and update cadence (every 2 weeks vs every 2 months). JamUp Pro's advantage is ratings volume (717 vs 15) and iOS requirement (10.0 vs 14.0). On rating, review sentiment, ads and device support 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
jAmp IR is free to download; JamUp Pro costs $7.99 up front. JamUp Pro sells 10 one-off in-app purchases. jAmp IR asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.6 for JamUp Pro against 4.7 for jAmp IR. That said, the two scores are not equally well evidenced: JamUp Pro has 717 ratings behind it against 15, so its average is the more settled of the two. Written reviews are what separate them: 65% of JamUp Pro's written reviews are positive against 67% of jAmp IR's.
JamUp Pro ships an update every 2 months, jAmp IR every 2 weeks. The most recent releases landed on November 1, 2026 and October 24, 2026 respectively.
| Parameter | JamUp Pro | jAmp IR |
|---|---|---|
| Price | $7.99 | Free — better |
| Rating | 4.6 (717 ratings) | 4.7 (15 ratings) — better |
| Positive reviews | 64.9% of reviews | 66.7% of reviews — better |
| Number of ratings | 717 — better | 15 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 10.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 309 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Positive Grid Inc | Jan Maes |
Customer experience
JamUp Pro
jAmp IR
Bugs and requests
JamUp Pro
Reported bugs
4 issues- Jam/playback feature not working
- Preset saving/loading issues
- Incompatibility with newer iPhones
- Frequent crashes and freezes
Requested features
5 requests- More customization options
- Improved MIDI support
- Better integration with DAWs
- Stereo effects support
- Ability to import custom IRs
jAmp IR
Not enough reviews yet to summarise bugs or requests.
In-app purchases
JamUp Pro
- Whammy$3.99
- 8-Track Recorder$4.99
- Metal Expansion Pack$9.99
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- Classic Expansion Pack$9.99
- Effect Expansion Pack$9.99
- Bass Expansion Pack$9.99
- Boutique Expansion Pack$9.99
- Metal Expansion Pack II$9.99
- Acoustic Expansion Pack$9.99
- All Access$24.99
jAmp IR
No in-app purchases









