# CI Smart Sensor vs Migra

The clearest difference is in-app purchases: CI Smart Sensor at none against Migra's 3. CI Smart Sensor also leads on iOS requirement (12.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Migra sells 3 in-app purchases, starting at $7.99 per 7 days. CI Smart Sensor asks for nothing beyond the download.

## The numbers

| Metric | CI Smart Sensor | Migra |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (359 ratings)](https://appshunter.io/ios/app/ci-smart-sensor/id1281682435/reviews)** | — |
| Number of ratings | **359** | — |
| Positive reviews | 68.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Monetization | Free | — |
| Size | 52 MB | 43 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [BPA Sales, LP](https://appshunter.io/developer/1671653832) | [Sharaiz Iftikhair](https://appshunter.io/developer/1858642963) |

## What reviewers say

### CI Smart Sensor

[App page](https://appshunter.io/ios/app/ci-smart-sensor/id1281682435)

Monitor humidity and temperature in your humidor or container remotely. Receive alerts for out-of-range conditions or unauthorized access. Analyze historical data to optimize storage and protect your valuables.

**Highlights:** Continuous humidity and temperature gauging, Push notifications for custom ranges, Alerts for container access, Hourly, daily, and monthly data analysis, Bluetooth Low Energy connectivity, Remote monitoring

**In-app purchases:** none

**What reviewers like**

- 📊 Accurate humidity and temperature readings
- 🔍 Helpful for monitoring cigar humidors
- 🔋 Long-lasting battery life
- 🔧 Easy to calibrate

**What reviewers complain about**

- 🐛 Connectivity issues and app crashes
- 🕰️ Slow app performance and delayed updates
- 🔔 Unreliable push notifications
- 🤖 Forced account creation

**Reported bugs**

- Sensor readings not updating in real-time
- Calibration process not working as expected
- Battery draining faster than expected
- App losing historic data after updates

**Requested features**

- Wi-Fi connectivity for remote monitoring
- Customizable alert thresholds
- Ability to rearrange sensor order in app
- Bring back analog hygrometer display


### Migra

[App page](https://appshunter.io/ios/app/migra-migraine-tracker/id6769490701)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $7.99 | per 7 days |
| Monthly subscription | $12.99 | per month |
| Yearly subscription | $39.99 | per year |


## Frequently asked questions

### Is CI Smart Sensor free?

CI Smart Sensor is free to download, with no in-app purchases.

### Is Migra free?

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

### Do CI Smart Sensor or Migra have ads?

Neither CI Smart Sensor nor Migra shows ads.

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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.*