# SECA vs BLUTEK

The clearest difference is update cadence: SECA at monthly against BLUTEK's every 5 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.

SECA ships an update monthly, BLUTEK every 5 months. The most recent releases landed on August 24, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | SECA | BLUTEK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/seca/id6502897162/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 months |
| Monetization | Free | — |
| Size | 86 MB | 79 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [上海铭控传感技术有限公司](https://appshunter.io/developer/1687248200) | [Ningbo Fame Instrument Co.,Ltd](https://appshunter.io/developer/1802541782) |

## What reviewers say

### SECA

[App page](https://appshunter.io/ios/app/seca/id6502897162)

This utility app allows users to switch sensor units and display units, export data to Excel, and load real-time data curves. It also enables reading data and modifying configuration parameters in real time.

**Highlights:** Switch sensor units, Export data to Excel, Switch display units, Load real-time data curves, Modify configuration parameters

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

**In-app purchases:** none


### BLUTEK

[App page](https://appshunter.io/ios/app/blutek/id6743382057)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SECA free?

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

### Is BLUTEK free?

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

### Do SECA or BLUTEK have ads?

Neither SECA nor BLUTEK shows ads.

### Which is updated more often, SECA or BLUTEK?

SECA ships an update monthly, and BLUTEK every 5 months. Most recently, SECA was updated on August 24, 2026 and BLUTEK on September 14, 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.*