# HeatNext vs KG Serials

The clearest difference is in-app purchases: KG Serials at none against HeatNext's 4. KG Serials also leads on iOS requirement (9.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HeatNext sells 4 in-app purchases, starting at $1.99 per month. KG Serials asks for nothing beyond the download.

HeatNext ships an update every 2 months, KG Serials monthly. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | HeatNext | KG Serials |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.6 (8 ratings)](https://appshunter.io/ios/app/kg-serials/id1556594835/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 44 MB | 30 MB |
| Requires iOS | 15.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [Hangzhou Junce Instruments Co., Ltd.](https://appshunter.io/developer/1535583983) |

## What reviewers say

### HeatNext

[App page](https://appshunter.io/ios/app/heatnext/id1440372440)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Package | $1.99 | per month |
| Advanced Package | $3.99 | per month |
| Plus Package | $18.99 | per year |
| Advanced Package | $37.99 | per year |


### KG Serials

[App page](https://appshunter.io/ios/app/kg-serials/id1556594835)

This utility measures electrical parameters like voltage, current, and power. It offers multiple protection functions and real-time battery monitoring on a color LCD. The app also supports data export and remote control via mobile or PC.

**Highlights:** Measures voltage, current, power, capacity, Multiple protection functions (over/under voltage, over current), Real-time battery monitoring, Color LCD display, Voltage and current curve display, Mobile app and PC control, Firmware updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

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

### Is KG Serials free?

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

### Do HeatNext or KG Serials have ads?

Neither HeatNext nor KG Serials shows ads.

### Which is updated more often, HeatNext or KG Serials?

HeatNext ships an update every 2 months, and KG Serials monthly. Most recently, HeatNext was updated on October 25, 2026 and KG Serials on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*