# HeatNext vs OD Link系统

The clearest difference is in-app purchases: OD Link系统 at none against HeatNext's 4. 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. OD Link系统 asks for nothing beyond the download.

HeatNext ships an update every 2 months, OD Link系统 monthly. The most recent releases landed on October 25, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | HeatNext | OD Link系统 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 44 MB | 56 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [ChengLu Education Technology (Hubei) Co., Ltd.](https://appshunter.io/developer/1557843667) |

## 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 |


### OD Link系统

[App page](https://appshunter.io/ios/app/od-link/id1633922510)

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

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

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

### Is OD Link系统 free?

OD Link系统 is free to download, with no in-app purchases.

### Do HeatNext or OD Link系统 have ads?

Neither HeatNext nor OD Link系统 shows ads.

### Which is updated more often, HeatNext or OD Link系统?

HeatNext ships an update every 2 months, and OD Link系统 monthly. Most recently, HeatNext was updated on October 25, 2026 and OD Link系统 on October 19, 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.*