# OneView Decision Support Sys vs Day Base

The clearest difference is update cadence: Day Base at every 4 days against OneView Decision Support Sys's monthly. OneView Decision Support Sys's advantage is iOS requirement (15.1 vs 17.0). 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.

OneView Decision Support Sys ships an update monthly, Day Base every 4 days. The most recent releases landed on October 6, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OneView Decision Support Sys | Day Base |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 4 days** |
| Size | 24 MB | 2 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SERVILUB SERVICOS DE LUBRIFICACAO E ELETROMECANICA LTDA](https://appshunter.io/developer/1609255929) | [Ryan McMillen](https://appshunter.io/developer/1867966332) |

## What reviewers say

### OneView Decision Support Sys

[App page](https://appshunter.io/ios/app/oneview-decision-support-sys/id1609255927)

**Features:** macOS Compatibility

**In-app purchases:** none


### Day Base

[App page](https://appshunter.io/ios/app/day-base-custom-database/id6778587328)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OneView Decision Support Sys free?

OneView Decision Support Sys is free to download, with no in-app purchases.

### Is Day Base free?

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

### Do OneView Decision Support Sys or Day Base have ads?

Neither OneView Decision Support Sys nor Day Base shows ads.

### Which is updated more often, OneView Decision Support Sys or Day Base?

OneView Decision Support Sys ships an update monthly, and Day Base every 4 days. Most recently, OneView Decision Support Sys was updated on October 6, 2026 and Day Base on October 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.*