# STFM vs WiFi Heater

The clearest difference is iOS requirement: STFM at 11.0 against WiFi Heater's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | STFM | WiFi Heater |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (7 ratings)](https://appshunter.io/ios/app/stfm/id1618803987/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 67 MB | 29 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Society of Teachers of Family Medicine](https://appshunter.io/developer/386248110) | [Teploceramic](https://appshunter.io/developer/1757145452) |

## What reviewers say

### STFM

[App page](https://appshunter.io/ios/app/stfm/id1618803987)

Access event schedules, session details, maps, and presenter information. Stay updated with the latest event news and navigate venues with ease.

**Highlights:** Search sessions, Access schedule and updates, Detailed event information, Event maps, Presenter details

**In-app purchases:** none


### WiFi Heater

[App page](https://appshunter.io/ios/app/wifi-heater/id6538726734)

**In-app purchases:** none


## Frequently asked questions

### Is STFM free?

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

### Is WiFi Heater free?

WiFi Heater is free to download, with no in-app purchases.

### Do STFM or WiFi Heater have ads?

Neither STFM nor WiFi Heater shows ads.

### Which is updated more often, STFM or WiFi Heater?

STFM ships an update every 2 months, and WiFi Heater every 2 months. Most recently, STFM was updated on November 3, 2026 and WiFi Heater on November 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.*