# HeatNext vs Smart AEC

The clearest difference is in-app purchases: Smart AEC at none against HeatNext's 4. Smart AEC also leads on update cadence (every 10 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

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

HeatNext ships an update every 2 months, Smart AEC every 10 days. The most recent releases landed on September 15, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | HeatNext | Smart AEC |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Size | 32 MB | 138 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [徕卡测量系统(上海)有限公司](https://appshunter.io/developer/1158778324) |

## 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 |


### Smart AEC

[App page](https://appshunter.io/ios/app/smart-aec/id1576467655)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

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

### Is Smart AEC free?

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

### Do HeatNext or Smart AEC have ads?

Neither HeatNext nor Smart AEC shows ads.

### Which is updated more often, HeatNext or Smart AEC?

HeatNext ships an update every 2 months, and Smart AEC every 10 days. Most recently, HeatNext was updated on September 15, 2026 and Smart AEC on September 4, 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.*