# aInventarium vs OTP Conductor

The clearest difference is update cadence: OTP Conductor at every 9 days against aInventarium's every 4 months. 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.

aInventarium ships an update every 4 months, OTP Conductor every 9 days. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | aInventarium | OTP Conductor |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 44 MB | 2 MB |
| Requires iOS | 16 | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Paulo Silva](https://appshunter.io/developer/1478829768) | [Wenhuan Li](https://appshunter.io/developer/1243152342) |

## What reviewers say

### aInventarium

[App page](https://appshunter.io/ios/app/ainventarium/id788394024)

**Features:** macOS Compatibility

**In-app purchases:** none


### OTP Conductor

[App page](https://appshunter.io/ios/app/otp-conductor/id1404947090)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is aInventarium free?

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

### Is OTP Conductor free?

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

### Do aInventarium or OTP Conductor have ads?

Neither aInventarium nor OTP Conductor shows ads.

### Which is updated more often, aInventarium or OTP Conductor?

aInventarium ships an update every 4 months, and OTP Conductor every 9 days. Most recently, aInventarium was updated on October 26, 2026 and OTP Conductor on October 29, 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.*