# MySensor² vs BattSec

The clearest difference is in-app purchases: BattSec at none against MySensor²'s 4. BattSec also leads on update cadence (every 5 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MySensor² sells 4 in-app purchases, starting at $2.99 per 7 days. BattSec asks for nothing beyond the download.

MySensor² ships an update monthly, BattSec every 5 days. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | MySensor² | BattSec |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (4 ratings)](https://appshunter.io/ios/app/mysensorbike-sensor-battery/id6504740377/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 28 MB | 54 MB |
| Requires iOS | 17.5 | **16.6** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [兴华 范](https://appshunter.io/developer/440983944) | [惠州市超力源科技有限公司](https://appshunter.io/developer/1615346741) |

## What reviewers say

### MySensor²

[App page](https://appshunter.io/ios/app/mysensorbike-sensor-battery/id6504740377)

Effortlessly monitor the battery levels of all your cycling sensors, including power meters, heart rate monitors, and shifters, in one convenient app. Get quick access to battery status via desktop widgets or Apple Watch Stacks without needing to open the application.

**Highlights:** All sensor batteries in one place, Power meter battery status, Heart rate monitor battery status, Speed and cadence sensor monitoring, Electronic shifter battery checks, Home screen widgets, Apple Watch Stack support

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Weekly) | $2.99 | per 7 days |
| Premium (Monthly) | $6.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Premium (Lifetime) | $39.99 | one-time |


### BattSec

[App page](https://appshunter.io/ios/app/battsec/id6803820880)

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

**In-app purchases:** none


## Frequently asked questions

### Is MySensor² free?

MySensor² is free to download, with in-app purchases available.

### Is BattSec free?

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

### Do MySensor² or BattSec have ads?

Neither MySensor² nor BattSec shows ads.

### Which is updated more often, MySensor² or BattSec?

MySensor² ships an update monthly, and BattSec every 5 days. Most recently, MySensor² was updated on October 25, 2026 and BattSec on October 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.*