# Smart Sensor vs Tell Arnie

Smart Sensor and Tell Arnie are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Smart Sensor ships an update every 2 weeks, Tell Arnie every 3 weeks. The most recent releases landed on October 6, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Smart Sensor | Tell Arnie |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Size | 40 MB | 58 MB |
| Requires iOS | **12.1** | 13.4 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Supply Fuel Solutions Limited](https://appshunter.io/developer/1670884145) | [Reliance Medical](https://appshunter.io/developer/1733226854) |

## What reviewers say

### Smart Sensor

[App page](https://appshunter.io/ios/app/smart-sensor/id1670884143)

**Features:** macOS Compatibility

**In-app purchases:** none


### Tell Arnie

[App page](https://appshunter.io/ios/app/tell-arnie/id6478534800)

**In-app purchases:** none


## Frequently asked questions

### Is Smart Sensor free?

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

### Is Tell Arnie free?

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

### Do Smart Sensor or Tell Arnie have ads?

Neither Smart Sensor nor Tell Arnie shows ads.

### Which is updated more often, Smart Sensor or Tell Arnie?

Smart Sensor ships an update every 2 weeks, and Tell Arnie every 3 weeks. Most recently, Smart Sensor was updated on October 6, 2026 and Tell Arnie on October 25, 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.*