# イベ博 vs Idemitsu Smart OC

The clearest difference is iOS requirement: イベ博 at 11.0 against Idemitsu Smart OC's 18.6. On price, review sentiment, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

イベ博 ships an update every 2 weeks, Idemitsu Smart OC every 3 weeks. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | イベ博 | Idemitsu Smart OC |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free |
| Size | 109 MB | 15 MB |
| Requires iOS | **11.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [bravesoft inc.](https://appshunter.io/developer/347246481) | [Idemitsu Kosan Co.,Ltd.](https://appshunter.io/developer/1434377868) |

## What reviewers say

### イベ博

[App page](https://appshunter.io/ios/app/id1596266844)

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

**In-app purchases:** none


### Idemitsu Smart OC

[App page](https://appshunter.io/ios/app/idemitsu-smart-oc/id6736635041)

This app enables on-site lubricant analysis using a smartphone camera. It assesses lubricant degradation and contamination by analyzing photos, providing numerical data to help detect anomalies and ensure stable machinery operation.

**Highlights:** On-site lubricant diagnosis, Photo-based analysis, Degradation status assessment, Contamination level calculation, Historical data access, Early anomaly detection

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

**In-app purchases:** none


## Frequently asked questions

### Is イベ博 free?

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

### Is Idemitsu Smart OC free?

Idemitsu Smart OC is free to download, with no in-app purchases.

### Do イベ博 or Idemitsu Smart OC have ads?

Neither イベ博 nor Idemitsu Smart OC shows ads.

### Which is updated more often, イベ博 or Idemitsu Smart OC?

イベ博 ships an update every 2 weeks, and Idemitsu Smart OC every 3 weeks. Most recently, イベ博 was updated on November 3, 2026 and Idemitsu Smart OC on November 4, 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.*