# Sigma live vs CarCoding

The clearest difference is in-app purchases: Sigma live at none against CarCoding's 4. Sigma live also leads on iOS requirement (9.0 vs 15.1). CarCoding's advantage is update cadence (every 2 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. CarCoding sells 4 in-app purchases, starting at $7.99 per month. Sigma live asks for nothing beyond the download.

Sigma live ships an update every 2 months, CarCoding every 2 days. The most recent releases landed on November 11, 2026 and November 9, 2026 respectively.

## The numbers

| Metric | Sigma live | CarCoding |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | — | Freemium |
| Size | 5 MB | 124 MB |
| Requires iOS | **9.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Rafael Francisco](https://appshunter.io/developer/1070696043) | [BUBISOFT YAZILIM TEKNOLOJI ITHALAT IHRACAT SANAYI TICARET LIMITED SIRKETI](https://appshunter.io/developer/1491589580) |

## What reviewers say

### Sigma live

[App page](https://appshunter.io/ios/app/sigma-live/id1091561095)

**In-app purchases:** none


### CarCoding

[App page](https://appshunter.io/ios/app/carcoding-obd2-car-scanner/id6759403080)

Diagnose vehicle faults, read and clear trouble codes, and unlock hidden features using your smartphone and an OBD2 scanner. Monitor live engine data, perform service resets, and even code ECUs for customization.

**Highlights:** Read and clear fault codes (DTC), AI fault analysis, Live engine data and gauges, Used car inspection readiness, Service resets (oil, EPB, DPF, SAS, TPMS), ECU coding and hidden features, Motorcycle and truck diagnosis

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CarCoding Pro Monthly | $7.99 | per month |
| CarCoding Pro 6 Months | $39.95 | per 6 months |
| CarCoding Pro Annual | $71.90 | per year |
| CarCoding Pro – Lifetime | $71.99 | one-time |


## Frequently asked questions

### Is Sigma live free?

Sigma live is free to download, with no in-app purchases.

### Is CarCoding free?

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

### Do Sigma live or CarCoding have ads?

Neither Sigma live nor CarCoding shows ads.

### Which is updated more often, Sigma live or CarCoding?

Sigma live ships an update every 2 months, and CarCoding every 2 days. Most recently, Sigma live was updated on November 11, 2026 and CarCoding on November 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.*