# Enigma Basic vs Decibel Meter

The clearest difference is update cadence: Decibel Meter at monthly against Enigma Basic's every 6 months. Enigma Basic's advantage is iOS requirement (9.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Enigma Basic sells 10 one-off in-app purchases and Decibel Meter sells 2 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Enigma Basic ships an update every 6 months, Decibel Meter monthly. The most recent releases landed on September 12, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Enigma Basic | Decibel Meter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Monthly** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 1 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) | [Brais Castro](https://appshunter.io/developer/1604438132) |

## What reviewers say

### Enigma Basic

[App page](https://appshunter.io/ios/app/enigma-basic/id1485525768)

This app allows users to edit fuel mapping for DILTS JAPAN's Enigma Basic fuel injection controllers. It enables real-time monitoring of engine data and offers advanced control over fuel injection settings, rev limits, and more. Bike models must be purchased within the app to unlock full functionality.

**Highlights:** Edit fuel mapping, Cancel/set engine speed limiter, Real-time engine data monitoring, 3D graph for fuel adjustments, Save and swap fuel data, Digital acceleration pump

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LEAD125 JF45 | $3.99 | one-time |
| GROM JC61 | $3.99 | one-time |
| FI-MONKEY AB27 | $3.99 | one-time |
| PCX150 KF12 | $3.99 | one-time |
| PCX150 KF18 | $3.99 | one-time |
| SUPERCUB AA01 AA04 | $3.99 | one-time |
| ZOOMER-X | $3.99 | one-time |
| Z125 PRO | $3.99 | one-time |
| ADDRESS V125 K9/L0/L3 | $3.99 | one-time |
| APE50-FI | $3.99 | one-time |


### Decibel Meter

[App page](https://appshunter.io/ios/app/decibel-meter-sound-level/id6741395557)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $3.99 | per 7 days |
| Yearly subscription | $39.99 | per year |


## Frequently asked questions

### Is Enigma Basic free?

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

### Is Decibel Meter free?

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

### Do Enigma Basic or Decibel Meter have ads?

Neither Enigma Basic nor Decibel Meter shows ads.

### Which is updated more often, Enigma Basic or Decibel Meter?

Enigma Basic ships an update every 6 months, and Decibel Meter monthly. Most recently, Enigma Basic was updated on September 12, 2026 and Decibel Meter on September 9, 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.*