# SolePredict vs HeatSignal.app

The clearest difference is update cadence: SolePredict at every 4 days against HeatSignal.app's monthly. HeatSignal.app's advantage is iOS requirement (14.0 vs 16.4). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. SolePredict sells 1 in-app purchase, starting at $3.99 per month and HeatSignal.app sells 4 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

SolePredict ships an update every 4 days, HeatSignal.app monthly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SolePredict | HeatSignal.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (26 ratings)](https://appshunter.io/ios/app/heatsignalapp/id6765769630/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 26 MB |
| Requires iOS | 16.4 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 12+ |
| Developer | [SolePredict LLC](https://appshunter.io/developer/1779213603) | [HeatSignal LLC](https://appshunter.io/developer/1896066263) |

## What reviewers say

### SolePredict

[App page](https://appshunter.io/ios/app/solepredict/id6738074121)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolePredict Premium | $3.99 | per month |


### HeatSignal.app

[App page](https://appshunter.io/ios/app/heatsignalapp/id6765769630)

This app aggregates sneaker listings from various resale markets into a single, filterable feed. Get alerts for specific pairs and price drops. It also features a marketplace for direct trading and negotiation within the community.

**Highlights:** Aggregated resale market feed, Customizable alerts for specific sneakers, Price drop notifications, Direct community marketplace, Negotiation chat features, Multiple secure sign-in options

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| HeatSignal Pro | $14.99 | per month |
| HeatSignal Elite | $24.99 | per month |
| HeatSignal Pro | $149.00 | per year |
| HeatSignal Elite | $249.99 | per year |


## Frequently asked questions

### Is SolePredict free?

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

### Is HeatSignal.app free?

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

### Do SolePredict or HeatSignal.app have ads?

Neither SolePredict nor HeatSignal.app shows ads.

### Which is updated more often, SolePredict or HeatSignal.app?

SolePredict ships an update every 4 days, and HeatSignal.app monthly. Most recently, SolePredict was updated on October 30, 2026 and HeatSignal.app on October 31, 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.*