# Spares Scaling vs SECA

The clearest difference is price: SECA at Free against Spares Scaling's $4.99. SECA also leads on review sentiment (25% vs 0%). Spares Scaling's advantage is update cadence (every 9 days vs monthly) and device support (4 vs 2). On ads, in-app purchases and iOS requirement there is nothing between them.

SECA is free to download; Spares Scaling costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spares Scaling ships an update every 9 days, SECA monthly. The most recent releases landed on October 20, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Spares Scaling | SECA |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[2.0 (4 ratings)](https://appshunter.io/ios/app/seca/id6502897162/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Paid | **Free** |
| Size | 2 MB | 86 MB |
| Requires iOS | 14.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Konstantinos Ladiellis](https://appshunter.io/developer/1516103440) | [上海铭控传感技术有限公司](https://appshunter.io/developer/1687248200) |

## What reviewers say

### Spares Scaling

[App page](https://appshunter.io/ios/app/spares-scaling/id6447908310)

This app simulates fleet availability using Monte Carlo methods. It calculates service levels based on the number of fleet assets, component reliability, repair times, and spare parts inventory.

**Highlights:** Monte Carlo Simulation, Fleet Availability Calculation, Spare Parts Inventory Management, Component Reliability Analysis, Repair Time (TAT) Input, Scenario-Based Analysis

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Spares Scaling free?

Spares Scaling costs $4.99, with no in-app purchases.

### Is SECA free?

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

### Do Spares Scaling or SECA have ads?

Neither Spares Scaling nor SECA shows ads.

### Which is updated more often, Spares Scaling or SECA?

Spares Scaling ships an update every 9 days, and SECA monthly. Most recently, Spares Scaling was updated on October 20, 2026 and SECA on October 8, 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.*