# Dayco vs SPMS

The clearest difference is update cadence: Dayco at every 6 weeks against SPMS's every 11 months. SPMS's advantage is iOS requirement (8.1 vs 15.6). 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.

Dayco ships an update every 6 weeks, SPMS every 11 months. The most recent releases landed on October 3, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Dayco | SPMS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (11 ratings)](https://appshunter.io/ios/app/dayco/id907476664/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 54.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 11 months |
| Monetization | Free | — |
| Size | 46 MB | 51 MB |
| Requires iOS | 15.6 | **8.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dayco](https://appshunter.io/developer/1202210976) | [Advantech Co., Ltd.](https://appshunter.io/developer/413213069) |

## What reviewers say

### Dayco

[App page](https://appshunter.io/ios/app/dayco/id907476664)

This app provides detailed technical information and specifications for automotive spare parts. It serves as a comprehensive catalog for various engine products, drive systems, and services across different vehicle types. Access essential data for automobiles, trucks, construction, and agricultural machinery.

**Highlights:** Technical information on spare parts, Details for engine products, Drive systems specifications, Services for automobiles and trucks, Data for construction and agriculture machinery, Catalog for all market areas

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

**In-app purchases:** none


### SPMS

[App page](https://appshunter.io/ios/app/spms/id1278902005)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Dayco free?

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

### Is SPMS free?

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

### Do Dayco or SPMS have ads?

Neither Dayco nor SPMS shows ads.

### Which is updated more often, Dayco or SPMS?

Dayco ships an update every 6 weeks, and SPMS every 11 months. Most recently, Dayco was updated on October 3, 2026 and SPMS on September 28, 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.*