# ezModbus vs SpaceTags®

The clearest difference is price: SpaceTags® at Free against ezModbus's $4.99. SpaceTags® also leads on update cadence (every 3 months vs every 41 months) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

SpaceTags® is free to download; ezModbus costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ezModbus ships an update every 41 months, SpaceTags® every 3 months. The most recent releases landed on October 13, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ezModbus | SpaceTags® |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spacetags/id1670195364/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 41 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 2 MB | 82 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bitmakers LLC](https://appshunter.io/developer/1474083419) | [SpaceTags LLC](https://appshunter.io/developer/1670195366) |

## What reviewers say

### ezModbus

[App page](https://appshunter.io/ios/app/ezmodbus/id1474083420)

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

**In-app purchases:** none


### SpaceTags®

[App page](https://appshunter.io/ios/app/spacetags/id1670195364)

This app utilizes augmented reality to overlay digital content onto real-world objects. It provides an intelligent and advanced digital reality experience by blending physical and digital environments for real-time data access.

**Highlights:** Augmented Reality technology, Digital content overlay, Real-time data access, Interactive experiences, Digital Reality experience

**In-app purchases:** none


## Frequently asked questions

### Is ezModbus free?

ezModbus costs $4.99, with no in-app purchases.

### Is SpaceTags® free?

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

### Do ezModbus or SpaceTags® have ads?

Neither ezModbus nor SpaceTags® shows ads.

### Which is updated more often, ezModbus or SpaceTags®?

ezModbus ships an update every 41 months, and SpaceTags® every 3 months. Most recently, ezModbus was updated on October 13, 2026 and SpaceTags® on October 3, 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.*