# CoolFireSB vs Ohai.ai

The clearest difference is review sentiment: Ohai.ai at 71% against CoolFireSB's 9%. Ohai.ai also leads on rating (4.4 vs 3.4) and update cadence (every 2 weeks vs every 4 months). CoolFireSB's advantage is in-app purchases (none vs 3) and iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Ohai.ai sells 3 in-app purchases, starting at $14.99 per month. CoolFireSB asks for nothing beyond the download.

Ohai.ai holds the better App Store score, 4.4 against 3.4. That said, the two scores are not equally well evidenced: Ohai.ai has 220 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 9% of CoolFireSB's written reviews are positive against 71% of Ohai.ai's.

CoolFireSB ships an update every 4 months, Ohai.ai every 2 weeks. The most recent releases landed on September 3, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CoolFireSB | Ohai.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (7 ratings)](https://appshunter.io/ios/app/coolfiresb/id1606792875/reviews) | **[4.4 (220 ratings)](https://appshunter.io/ios/app/ohaiai-household-assistant/id6477802468/reviews)** |
| Number of ratings | 7 | **220** |
| Positive reviews | 9.1% of reviews | **71.1% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 55 MB | 184 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [New York Standard Watch Company, LLC](https://appshunter.io/developer/828885617) | [ohai.ai Inc.](https://appshunter.io/developer/1644210725) |

## 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


### Ohai.ai

[App page](https://appshunter.io/ios/app/ohaiai-household-assistant/id6477802468)

This app acts as a household assistant, syncing family calendars, managing to-dos, and planning meals. It can scan documents and emails for important dates and tasks, delegate responsibilities, and even block out personal time. Voice commands are supported for hands-free input.

**Highlights:** Sync school and sports calendars, Scan flyers and emails for events, Shareable family calendars, AI-powered meal planning and grocery lists, Task delegation and reminders, Voice-activated input

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $14.99 | per month |
| Premium Plus | $24.99 | per month |
| Premium Group | $39.99 | per month |

**What reviewers like**

- 🚀 Lightning-fast and efficient
- 👍 Intuitive and user-friendly UI
- 🔒 Secure and reliable
- 💡 Helpful reminders and calendar integration
- 🙌 Streamlines organization and productivity

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 💰 Paid subscription model can be limiting

**Reported bugs**

- Login issues for some users
- Calendar sync problems

**Requested features**

- Expanded free trial period
- More integrations with third-party apps
- Customizable notification settings


## Frequently asked questions

### Is CoolFireSB free?

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

### Is Ohai.ai free?

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

### Which has better reviews, CoolFireSB or Ohai.ai?

Ohai.ai is rated higher. CoolFireSB averages 3.4 out of 5 from 7 ratings, while Ohai.ai averages 4.4 from 220 ratings.

### Do CoolFireSB or Ohai.ai have ads?

Neither CoolFireSB nor Ohai.ai shows ads.

### Which is updated more often, CoolFireSB or Ohai.ai?

CoolFireSB ships an update every 4 months, and Ohai.ai every 2 weeks. Most recently, CoolFireSB was updated on September 3, 2026 and Ohai.ai on September 23, 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.*