# Tervix vs Specter ID

The clearest difference is update cadence: Specter ID at every 4 months against Tervix's every 10 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Tervix ships an update every 10 months, Specter ID every 4 months. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Tervix | Specter ID |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 238 MB | 10 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Yaroslav Lebedevich](https://appshunter.io/developer/1614309988) | [Alexander Butko](https://appshunter.io/developer/1726134617) |

## What reviewers say

### Tervix

[App page](https://appshunter.io/ios/app/tervix/id1614309986)

**Features:** macOS Compatibility

**In-app purchases:** none


### Specter ID

[App page](https://appshunter.io/ios/app/specter-id/id6476185037)

This app transforms your smartphone into a vehicle security tag. It provides authentication for authorized users before driving, integrating seamlessly with specific immobilizer and telematics systems.

**Highlights:** Smartphone as security tag, Vehicle authentication, Background operation, No user action required, Integrates with Specter systems

**In-app purchases:** none


## Frequently asked questions

### Is Tervix free?

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

### Is Specter ID free?

Specter ID is free to download, with no in-app purchases.

### Do Tervix or Specter ID have ads?

Neither Tervix nor Specter ID shows ads.

### Which is updated more often, Tervix or Specter ID?

Tervix ships an update every 10 months, and Specter ID every 4 months. Most recently, Tervix was updated on September 18, 2026 and Specter ID on June 1, 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.*