# JamEngine vs ChordWeave

The clearest difference is update cadence: JamEngine at every 5 days against ChordWeave's fortnightly. JamEngine also leads on iOS requirement (18.6 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. JamEngine sells 1 one-off in-app purchase and ChordWeave sells 4 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

JamEngine ships an update every 5 days, ChordWeave fortnightly. The most recent releases landed on November 5, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | JamEngine | ChordWeave |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 149 MB | 4 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Orcun Keskin](https://appshunter.io/developer/1681326325) | [Dotdotdotapps LLC](https://appshunter.io/developer/968138988) |

## What reviewers say

### JamEngine

[App page](https://appshunter.io/ios/app/jamengine/id6759828737)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| JamEngine Pro | $8.99 | one-time |


### ChordWeave

[App page](https://appshunter.io/ios/app/chordweave-chord-progressions/id6760487549)

**Features:** macOS Compatibility, Vision Pro support, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChordWeave Weekly | $1.99 | per 7 days |
| ChordWeave Monthly | $3.99 | per month |
| ChordWeave Annual | $27.99 | per year |
| ChordWeave Premium | $49.99 | one-time |


## Frequently asked questions

### Is JamEngine free?

JamEngine is free to download, with in-app purchases available.

### Is ChordWeave free?

ChordWeave is free to download, with in-app purchases available.

### Do JamEngine or ChordWeave have ads?

Neither JamEngine nor ChordWeave shows ads.

### Which is updated more often, JamEngine or ChordWeave?

JamEngine ships an update every 5 days, and ChordWeave fortnightly. Most recently, JamEngine was updated on November 5, 2026 and ChordWeave on November 9, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*