# iwarm vs 数字北大荒

The clearest difference is update cadence: 数字北大荒 at every 8 days against iwarm's every 2 months. iwarm's advantage is iOS requirement (13.0 vs 15.0). 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.

iwarm ships an update every 2 months, 数字北大荒 every 8 days. The most recent releases landed on September 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | iwarm | 数字北大荒 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | Free | — |
| Size | 8 MB | 312 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [wi - innovation co.,Ltd.](https://appshunter.io/developer/1268561683) | [北大荒信息有限公司](https://appshunter.io/developer/1586110353) |

## What reviewers say

### iwarm

[App page](https://appshunter.io/ios/app/iwarm/id1509484484)

Control smart heating wearables with this app. Adjust temperature for different zones and multiple devices simultaneously via Bluetooth. Monitor real-time temperature readings for optimal comfort.

**Highlights:** Bluetooth device pairing, Real-time temperature display, Zone-specific temperature control, Multi-device management, Individual and simultaneous control

**Features:** macOS Compatibility

**In-app purchases:** none


### 数字北大荒

[App page](https://appshunter.io/ios/app/id1618741471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iwarm free?

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

### Is 数字北大荒 free?

数字北大荒 is free to download, with no in-app purchases.

### Do iwarm or 数字北大荒 have ads?

Neither iwarm nor 数字北大荒 shows ads.

### Which is updated more often, iwarm or 数字北大荒?

iwarm ships an update every 2 months, and 数字北大荒 every 8 days. Most recently, iwarm was updated on September 23, 2026 and 数字北大荒 on October 24, 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.*