# CoolFireSB vs tTEM controller

The clearest difference is iOS requirement: tTEM controller at 12.0 against CoolFireSB's 15.6. 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 4 months. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | CoolFireSB | tTEM controller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (7 ratings)](https://appshunter.io/ios/app/coolfiresb/id1606792875/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 9.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Monetization | Free | — |
| Size | 55 MB | 35 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [New York Standard Watch Company, LLC](https://appshunter.io/developer/828885617) | [Temcompany ApS](https://appshunter.io/developer/1700820640) |

## What reviewers say

### CoolFireSB

[App page](https://appshunter.io/ios/app/coolfiresb/id1606792875)

Control your CoolFire Bluetooth sweatband with this app. Set and manage vibration alarms, adjust strength, and sync settings directly to your device. Monitor vibrator activity and customize your experience.

**Highlights:** Connects with CoolFire sweatband, Fetches vibrator time, Set alarm times, Edit and toggle alarms, Adjust vibration strength, Sync settings to vibrator

**In-app purchases:** none


### tTEM controller

[App page](https://appshunter.io/ios/app/ttem-controller/id6739423328)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CoolFireSB free?

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

### Is tTEM controller free?

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

### Do CoolFireSB or tTEM controller have ads?

Neither CoolFireSB nor tTEM controller shows ads.

### Which is updated more often, CoolFireSB or tTEM controller?

CoolFireSB ships an update every 4 months, and tTEM controller every 4 months. Most recently, CoolFireSB was updated on October 5, 2026 and tTEM controller on September 29, 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.*