# SoM2M IoT vs Topkapi AppView

The clearest difference is iOS requirement: Topkapi AppView at 13.0 against SoM2M IoT's 15.4. On price, update cadence, ads and in-app purchases there is nothing between them.

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

SoM2M IoT ships an update every 4 months, Topkapi AppView every 2 months. The most recent releases landed on May 16, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | SoM2M IoT | Topkapi AppView |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 months** |
| Size | 71 MB | 35 MB |
| Requires iOS | 15.4 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Synox](https://appshunter.io/developer/1524954759) | [AREAL](https://appshunter.io/developer/1504424832) |

## What reviewers say

### SoM2M IoT

[App page](https://appshunter.io/ios/app/som2m-iot/id1459994073)

**Features:** macOS Compatibility

**In-app purchases:** none


### Topkapi AppView

[App page](https://appshunter.io/ios/app/topkapi-appview/id6740326776)

**In-app purchases:** none


## Frequently asked questions

### Is SoM2M IoT free?

SoM2M IoT is free to download, with no in-app purchases.

### Is Topkapi AppView free?

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

### Do SoM2M IoT or Topkapi AppView have ads?

Neither SoM2M IoT nor Topkapi AppView shows ads.

### Which is updated more often, SoM2M IoT or Topkapi AppView?

SoM2M IoT ships an update every 4 months, and Topkapi AppView every 2 months. Most recently, SoM2M IoT was updated on May 16, 2026 and Topkapi AppView on September 9, 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.*