# ListFlo vs HeatSignal.app

The clearest difference is update cadence: ListFlo at weekly against HeatSignal.app's monthly. HeatSignal.app's advantage is chart position (#188 vs unranked) and iOS requirement (14.0 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ListFlo sells 1 one-off in-app purchase 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.

ListFlo ships an update weekly, HeatSignal.app monthly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ListFlo | HeatSignal.app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/heatsignalapp/id6765769630/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | — | Free with in-app purchases |
| Best chart rank | — | **#188** |
| Size | 12 MB | 26 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Key Network Services Ltd](https://appshunter.io/developer/1841349185) | [HeatSignal LLC](https://appshunter.io/developer/1896066263) |

## What reviewers say

### ListFlo

[App page](https://appshunter.io/ios/app/listflo/id6754537155)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ListFlow Pro | $3.99 | one-time |


### HeatSignal.app

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

**Currently charting:** #188 Top Grossing · Shopping (US App Store)

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 ListFlo free?

ListFlo 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 ListFlo or HeatSignal.app have ads?

Neither ListFlo nor HeatSignal.app shows ads.

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

ListFlo ships an update weekly, and HeatSignal.app monthly. Most recently, ListFlo was updated on October 4, 2026 and HeatSignal.app on October 6, 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.*