Jamerator vs Common Charts
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jamerator
Generate chord progressions and play along with a built-in metronome and tuner. Connect with friends nearby to jam together in real-time, no internet required. Explore scales and chord tones on a virtual fretboard.
- Chord progression generation
- Real-time jamming with friends
- Built-in metronome
- Integrated guitar tuner
- Scale and chord tone visualization
- Bluetooth/Wi-Fi connectivity
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Open Jamerator, get a chord progression, press play, and start playing. If friends are around, everyone jams to the same chords on the same beat. RHYTHM Swipe for a fresh progression with the shapes to play it. Swipe back to any jam you've played. Set the tempo, move the key or add a capo, pick a count-in, and hear the guitar, the click, or both. LEAD The scales that fit your progression, lit up on a fretboard. Chord tones highlight as the chart plays so you always know where to land. TUNER A built-in tuner with a fine-tune meter. One tap away, no switching apps. JAM TOGETHER One phone starts a jam and nearby friends join over Bluetooth or Wi-Fi. No accounts, no internet. Everyone sees the same chords and starts on the same beat, and anyone can roll the next progression. Made for practice sessions, band rehearsals, and bonfires. Jamerator is free with ads, and a one-time purchase removes them forever.
Common Charts
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Common Charts helps worship leaders and musicians bring chord charts into one clean, flexible library for rehearsal and live performance. Import songs from Planning Center, plain text, or PDF chord charts, then organize them into setlists and perform with tools built for real services. Common Charts makes it easy to clean up charts, transpose keys, and keep lyrics and chords readable on stage. Terms of Use: https://commoncharts.30twelve.org/terms Privacy Policy: https://commoncharts.30twelve.org/privacy
Screenshots
Verdict
The clearest difference is ads: Common Charts at none against Jamerator's shown. Common Charts also leads on update cadence (every 9 days vs monthly) and device support (3 vs 1). On price 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
Both are free to download. Jamerator sells 1 one-off in-app purchase and Common Charts sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.
Jamerator ships an update monthly, Common Charts every 9 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | Jamerator | Common Charts |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Monthly | Every 9 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 12 MB | 45 MB |
| Age rating | 4+ | 4+ |
| Developer | Sauce Collective LLC | Tim Morgan |
In-app purchases
Jamerator
- Jamerator Pro$4.99
Common Charts
- Common Charts Plus Monthly$9.991 Month
- Common Charts Plus Yearly$99.991 Year
