# IoT Meter vs SubKiller

The clearest difference is in-app purchases: IoT Meter at none against SubKiller's 3. IoT Meter also leads on iOS requirement (13.0 vs 26.0). SubKiller's advantage is update cadence (every 2 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. SubKiller sells 3 in-app purchases, starting at $6.99 per year. IoT Meter asks for nothing beyond the download.

IoT Meter ships an update every 6 weeks, SubKiller every 2 weeks. Both last shipped on September 18, 2026.

## The numbers

| Metric | IoT Meter | SubKiller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iot-meter/id6503274829/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 35 MB | 21 MB |
| Requires iOS | **13.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Ensightful Limited](https://appshunter.io/developer/1748706678) | [迅 王](https://appshunter.io/developer/1873842519) |

## What reviewers say

### IoT Meter

[App page](https://appshunter.io/ios/app/iot-meter/id6503274829)

Connects to smart measuring devices via Bluetooth to manage device status and read data. Organizes readings into projects, generates data tables, and allows cloud uploads. Supports capturing images for each data batch.

**Highlights:** Bluetooth device connection, Device status management, Data reading and logging, Project-based data organization, Data table generation, Cloud data upload, Image capture for data batches

**In-app purchases:** none


### SubKiller

[App page](https://appshunter.io/ios/app/subkiller/id6761400615)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Yearly | $6.99 | per year |
| SubKiller Pro | $4.99 | one-time |
| Pro Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is IoT Meter free?

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

### Is SubKiller free?

SubKiller is free to download, with in-app purchases available.

### Do IoT Meter or SubKiller have ads?

Neither IoT Meter nor SubKiller shows ads.

### Which is updated more often, IoT Meter or SubKiller?

IoT Meter ships an update every 6 weeks, and SubKiller every 2 weeks. Most recently, IoT Meter was updated on September 18, 2026 and SubKiller on September 18, 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.*