# JamEngine vs Fake Book Index

The clearest difference is price: JamEngine at Free against Fake Book Index's $2.99. Fake Book Index's advantage is in-app purchases (none vs 1) and device support (4 vs 2). On update cadence and ads there is nothing between them.

JamEngine is free to download; Fake Book Index costs $2.99 up front. JamEngine sells 1 one-off in-app purchase. Fake Book Index asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | JamEngine | Fake Book Index |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fake-book-index/id6769004225/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | — | Paid |
| Size | 149 MB | 5 MB |
| Requires iOS | 18.6 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Orcun Keskin](https://appshunter.io/developer/1681326325) | [Armel Courree](https://appshunter.io/developer/1896622283) |

## 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 |


### Fake Book Index

[App page](https://appshunter.io/ios/app/fake-book-index/id6769004225)

Quickly find jazz standards across numerous fake books and play-along series. Search by title or composer, filter by owned books, and browse titles by page. Works offline, ideal for musicians.

**Highlights:** Search 10,000+ jazz standards, Works offline, Search by composer, Filter by owned books, Browse titles by page, Supports custom book imports, Multi-language support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is JamEngine free?

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

### Is Fake Book Index free?

Fake Book Index costs $2.99, with no in-app purchases.

### Do JamEngine or Fake Book Index have ads?

Neither JamEngine nor Fake Book Index shows ads.

### Which is updated more often, JamEngine or Fake Book Index?

JamEngine ships an update every 5 days, and Fake Book Index every 5 days. Most recently, JamEngine was updated on October 24, 2026 and Fake Book Index on October 24, 2026.

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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.*