# IAMI Marine vs Storage Unit Tracker

The clearest difference is in-app purchases: IAMI Marine at none against Storage Unit Tracker's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Storage Unit Tracker sells 3 one-off in-app purchases. IAMI Marine asks for nothing beyond the download.

IAMI Marine ships an update fortnightly, Storage Unit Tracker every 3 weeks. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | IAMI Marine | Storage Unit Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 weeks |
| Size | 154 MB | 7 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [EventBank](https://appshunter.io/developer/740353440) | [Vertolini](https://appshunter.io/developer/1802404097) |

## What reviewers say

### IAMI Marine

[App page](https://appshunter.io/ios/app/iami-marine/id6737942240)

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

**In-app purchases:** none


### Storage Unit Tracker

[App page](https://appshunter.io/ios/app/storage-unit-tracker/id6751250460)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Storage | $1.99 | one-time |
| Upgrade Storage | $3.99 | one-time |
| Storage Unit Tracker Pro | $3.99 | one-time |


## Frequently asked questions

### Is IAMI Marine free?

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

### Is Storage Unit Tracker free?

Storage Unit Tracker is free to download, with in-app purchases available.

### Do IAMI Marine or Storage Unit Tracker have ads?

Neither IAMI Marine nor Storage Unit Tracker shows ads.

### Which is updated more often, IAMI Marine or Storage Unit Tracker?

IAMI Marine ships an update fortnightly, and Storage Unit Tracker every 3 weeks. Most recently, IAMI Marine was updated on October 31, 2026 and Storage Unit Tracker on October 25, 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.*