# Tire Calculator (Offset&Speed) vs Enigma Basic

The clearest difference is price: Enigma Basic at Free against Tire Calculator (Offset&Speed)'s $1.99. Enigma Basic also leads on iOS requirement (9.0 vs 26.0). Tire Calculator (Offset&Speed)'s advantage is review sentiment (86% vs 50%) and in-app purchases (none vs 10). On update cadence, ads and device support there is nothing between them.

Enigma Basic is free to download; Tire Calculator (Offset&Speed) costs $1.99 up front. Enigma Basic sells 10 one-off in-app purchases. Tire Calculator (Offset&Speed) asks for nothing beyond the download.

Tire Calculator (Offset&Speed) ships an update every 4 months, Enigma Basic every 6 months. The most recent releases landed on September 10, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Tire Calculator (Offset&Speed) | Enigma Basic |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/tire-calculator-offset-and-speed/id1204309537/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **85.7% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 3 MB |
| Requires iOS | 26.0 | **9.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Satoshi Mori](https://appshunter.io/developer/1204309536) | [DILTS JAPAN, LIMITED LIABILITY CO.](https://appshunter.io/developer/780416956) |

## What reviewers say

### Tire Calculator (Offset&Speed)

[App page](https://appshunter.io/ios/app/tire-calculator-offset-and-speed/id1204309537)

Easily calculate wheel offset and speedometer errors after tire changes. This tool helps determine changes in rim position, tread width, and actual speed versus displayed speed. It also offers GPS-based speedometer error measurement.

**Highlights:** Wheel offset calculation, Speedometer error calculation, GPS speedometer error measurement, Rim position change calculation, Tread width change calculation, Actual speed vs. meter display

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Tire Calculator (Offset&Speed) free?

Tire Calculator (Offset&Speed) costs $1.99, with no in-app purchases.

### Is Enigma Basic free?

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

### Do Tire Calculator (Offset&Speed) or Enigma Basic have ads?

Neither Tire Calculator (Offset&Speed) nor Enigma Basic shows ads.

### Which is updated more often, Tire Calculator (Offset&Speed) or Enigma Basic?

Tire Calculator (Offset&Speed) ships an update every 4 months, and Enigma Basic every 6 months. Most recently, Tire Calculator (Offset&Speed) was updated on September 10, 2026 and Enigma Basic on September 12, 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.*