# HeatNext vs U Call Pay

The clearest difference is in-app purchases: U Call Pay at none against HeatNext's 4. U Call Pay also leads on update cadence (every 3 weeks vs every 2 months). HeatNext's advantage is iOS requirement (13.0 vs 15.6). 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. U Call Pay asks for nothing beyond the download.

HeatNext ships an update every 2 months, U Call Pay every 3 weeks. The most recent releases landed on September 15, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | HeatNext | U Call Pay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (1K ratings)](https://appshunter.io/ios/app/u-call-pay/id1492178675/reviews)** |
| Number of ratings | — | **1K** |
| Positive reviews | — | 97.9% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 32 MB | 62 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nomnio](https://appshunter.io/developer/1440372439) | [3 Billionaires Corp](https://appshunter.io/developer/1476105863) |

## 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 |


### U Call Pay

[App page](https://appshunter.io/ios/app/u-call-pay/id1492178675)

Manage your phone number privately and make/receive calls without revealing your primary number. This app also offers a secure and user-friendly way to top up your prepaid mobile service.

**Highlights:** Private phone number management, Make and receive calls privately, Secure prepaid mobile top-up, User-friendly interface, Seamless navigation

**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 U Call Pay free?

U Call Pay is free to download, with no in-app purchases.

### Do HeatNext or U Call Pay have ads?

Neither HeatNext nor U Call Pay shows ads.

### Which is updated more often, HeatNext or U Call Pay?

HeatNext ships an update every 2 months, and U Call Pay every 3 weeks. Most recently, HeatNext was updated on September 15, 2026 and U Call Pay on September 9, 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.*