# HeatNext vs CallThru.us

The clearest difference is in-app purchases: CallThru.us at none against HeatNext's 4. CallThru.us also leads on iOS requirement (9.0 vs 13.0). HeatNext's advantage is update cadence (every 2 months vs every 8 months). On price, 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. CallThru.us asks for nothing beyond the download.

HeatNext ships an update every 2 months, CallThru.us every 8 months. The most recent releases landed on September 15, 2026 and June 24, 2026 respectively.

## The numbers

| Metric | HeatNext | CallThru.us |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/callthruus/id1471012459/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Monetization | — | Free |
| Size | 32 MB | 57 MB |
| Requires iOS | 13.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [Desktop Communications, LLC](https://appshunter.io/developer/1549962035) |

## 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 |


### CallThru.us

[App page](https://appshunter.io/ios/app/callthruus/id1471012459)

This utility app allows users to manage incoming calls, distinguishing between business and personal contacts. It provides a clear way to handle your professional and private communications from a single device.

**Highlights:** Distinguish business calls, Identify personal calls, Softphone functionality, Call management

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HeatNext free?

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

### Is CallThru.us free?

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

### Do HeatNext or CallThru.us have ads?

Neither HeatNext nor CallThru.us shows ads.

### Which is updated more often, HeatNext or CallThru.us?

HeatNext ships an update every 2 months, and CallThru.us every 8 months. Most recently, HeatNext was updated on September 15, 2026 and CallThru.us on June 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.*