# Robodrill Recertification vs iMI

The clearest difference is in-app purchases: Robodrill Recertification at none against iMI's 5. Robodrill Recertification also leads on iOS requirement (13.0 vs 18.6). iMI's advantage is update cadence (every 4 days vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. iMI sells 5 in-app purchases, starting at $9.99 per month. Robodrill Recertification asks for nothing beyond the download.

Robodrill Recertification ships an update every 2 months, iMI every 4 days. The most recent releases landed on September 18, 2026 and September 6, 2026 respectively.

## The numbers

| Metric | Robodrill Recertification | iMI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/imi-inference/id6760208856/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 50 MB | 12 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 12+ |
| Developer | [FANUC America Corporation](https://appshunter.io/developer/1494232034) | [Michael Kaminski](https://appshunter.io/developer/1870159381) |

## What reviewers say

### Robodrill Recertification

[App page](https://appshunter.io/ios/app/robodrill-recertification/id6449467691)

**Features:** macOS Compatibility

**In-app purchases:** none


### iMI

[App page](https://appshunter.io/ios/app/imi-inference/id6760208856)

This AI assistant is designed for manufacturing professionals on the shop floor. It provides answers to technical questions, helps troubleshoot issues, and offers tools for optimizing processes and calculating ROI. Securely store and access your private manufacturing documents.

**Highlights:** AI-powered manufacturing Q&A, G-code optimization, Machining strategy generation, Work instruction drafting, ROI calculator, Private on-device document vault

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ArloInference Starter | $9.99 | per month |
| ArloInference Pro | $19.99 | per month |
| 250 Uses — Project Sprint | $4.99 | one-time |
| 600 Uses — Heavy Week Pack | $9.99 | one-time |
| 1500 Uses — Power User Pack | $19.99 | one-time |


## Frequently asked questions

### Is Robodrill Recertification free?

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

### Is iMI free?

iMI is free to download, with in-app purchases available.

### Do Robodrill Recertification or iMI have ads?

Neither Robodrill Recertification nor iMI shows ads.

### Which is updated more often, Robodrill Recertification or iMI?

Robodrill Recertification ships an update every 2 months, and iMI every 4 days. Most recently, Robodrill Recertification was updated on September 18, 2026 and iMI on September 6, 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.*