# iotGizmo vs REBufSel1

The clearest difference is update cadence: iotGizmo at every 2 months against REBufSel1's every 17 months. iotGizmo also leads on iOS requirement (17.0 vs 26.0). 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.

iotGizmo ships an update every 2 months, REBufSel1 every 17 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iotGizmo | REBufSel1 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 17 months |
| Size | 46 MB | 1 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [IOTGIZMO Corporation](https://appshunter.io/developer/1031292932) | [Terumichi Tanaka](https://appshunter.io/developer/1647312692) |

## What reviewers say

### iotGizmo

[App page](https://appshunter.io/ios/app/iotgizmo/id1031292933)

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

**In-app purchases:** none


### REBufSel1

[App page](https://appshunter.io/ios/app/rebufsel1/id6466390266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iotGizmo free?

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

### Is REBufSel1 free?

REBufSel1 is free to download, with no in-app purchases.

### Do iotGizmo or REBufSel1 have ads?

Neither iotGizmo nor REBufSel1 shows ads.

### Which is updated more often, iotGizmo or REBufSel1?

iotGizmo ships an update every 2 months, and REBufSel1 every 17 months. Most recently, iotGizmo was updated on November 6, 2026 and REBufSel1 on November 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.*