# SECA vs TurnTaker

The clearest difference is iOS requirement: SECA at 13.0 against TurnTaker's 15.0. On price, update cadence, ads and in-app purchases 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, TurnTaker every 2 weeks. The most recent releases landed on September 21, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SECA | TurnTaker |
| --- | --- | --- |
| 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 2 weeks** |
| Monetization | Free | — |
| Size | 86 MB | 31 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [上海铭控传感技术有限公司](https://appshunter.io/developer/1687248200) | [Mark Loftus](https://appshunter.io/developer/6777127367) |

## 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


### TurnTaker

[App page](https://appshunter.io/ios/app/turntaker/id6777127365)

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

**In-app purchases:** none


## Frequently asked questions

### Is SECA free?

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

### Is TurnTaker free?

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

### Do SECA or TurnTaker have ads?

Neither SECA nor TurnTaker shows ads.

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

SECA ships an update monthly, and TurnTaker every 2 weeks. Most recently, SECA was updated on September 21, 2026 and TurnTaker on September 29, 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.*