# Sentrius BT510 vs Max

Sentrius BT510 and Max 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.

Sentrius BT510 ships an update every 6 months, Max every 5 months. The most recent releases landed on September 8, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Sentrius BT510 | Max |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Size | 80 MB | 28 MB |
| Requires iOS | 13.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ezurio LLC](https://appshunter.io/developer/1529015949) | [MaxQ Research LLC](https://appshunter.io/developer/1328602088) |

## What reviewers say

### Sentrius BT510

[App page](https://appshunter.io/ios/app/sentrius-bt510/id1495394256)

**Features:** macOS Compatibility

**In-app purchases:** none


### Max

[App page](https://appshunter.io/ios/app/max-connect/id6447415320)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sentrius BT510 free?

Sentrius BT510 is free to download, with no in-app purchases.

### Is Max free?

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

### Do Sentrius BT510 or Max have ads?

Neither Sentrius BT510 nor Max shows ads.

### Which is updated more often, Sentrius BT510 or Max?

Sentrius BT510 ships an update every 6 months, and Max every 5 months. Most recently, Sentrius BT510 was updated on September 8, 2026 and Max on September 9, 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.*