# Oil Sample Analysis vs i

The clearest difference is update cadence: i at monthly against Oil Sample Analysis's every 2 months. Oil Sample Analysis's advantage is iOS requirement (15.0 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.

Oil Sample Analysis ships an update every 2 months, i monthly. The most recent releases landed on October 12, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Oil Sample Analysis | i |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 41 MB | 59 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Shell Information Technology International B.V.](https://appshunter.io/developer/410842826) | [KPMG LLP](https://appshunter.io/developer/409357968) |

## What reviewers say

### Oil Sample Analysis

[App page](https://appshunter.io/ios/app/oil-sample-analysis/id1575505655)

**In-app purchases:** none


### i

[App page](https://appshunter.io/ios/app/i-4/id6739578270)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Oil Sample Analysis free?

Oil Sample Analysis is free to download, with no in-app purchases.

### Is i free?

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

### Do Oil Sample Analysis or i have ads?

Neither Oil Sample Analysis nor i shows ads.

### Which is updated more often, Oil Sample Analysis or i?

Oil Sample Analysis ships an update every 2 months, and i monthly. Most recently, Oil Sample Analysis was updated on October 12, 2026 and i on October 9, 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.*