# PERMAWARM+ vs Jernano Lab

The clearest difference is update cadence: Jernano Lab at every 3 weeks against PERMAWARM+'s every 4 months. 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.

PERMAWARM+ ships an update every 4 months, Jernano Lab every 3 weeks. The most recent releases landed on October 7, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | PERMAWARM+ | Jernano Lab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/permawarm-plus/id1466910214/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 5 MB | 51 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [WearingAi Technology Inc.](https://appshunter.io/developer/1462719521) | [Suzhou Jernano Carbon Co.Ltd.](https://appshunter.io/developer/1585803691) |

## What reviewers say

### PERMAWARM+

[App page](https://appshunter.io/ios/app/permawarm-plus/id1466910214)

This app integrates electronic technology with functional clothing to offer smart thermal wear. It provides users with comfortable warmth and active temperature control, ideal for extreme weather and outdoor activities.

**Highlights:** Smart thermal control, Electronic technology integration, Functional outdoor wear, Active temperature regulation, Comfortable warmth

**Features:** macOS Compatibility

**In-app purchases:** none


### Jernano Lab

[App page](https://appshunter.io/ios/app/jernano-lab/id1630910432)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PERMAWARM+ free?

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

### Is Jernano Lab free?

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

### Do PERMAWARM+ or Jernano Lab have ads?

Neither PERMAWARM+ nor Jernano Lab shows ads.

### Which is updated more often, PERMAWARM+ or Jernano Lab?

PERMAWARM+ ships an update every 4 months, and Jernano Lab every 3 weeks. Most recently, PERMAWARM+ was updated on October 7, 2026 and Jernano Lab on October 27, 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.*