# SBT1 SchuLink vs Wireless Balancer

The clearest difference is update cadence: Wireless Balancer at every 3 months against SBT1 SchuLink's every 12 months. SBT1 SchuLink's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

SBT1 SchuLink ships an update every 12 months, Wireless Balancer every 3 months. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | SBT1 SchuLink | Wireless Balancer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.7 (3 ratings)](https://appshunter.io/ios/app/sbt1-schulink/id1098059054/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 months** |
| Monetization | Free | — |
| Size | 33 MB | 183 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SCHUMACHER ELECTRIC CORPORATION](https://appshunter.io/developer/983625395) | [ACOEM Group](https://appshunter.io/developer/1495816959) |

## What reviewers say

### SBT1 SchuLink

[App page](https://appshunter.io/ios/app/sbt1-schulink/id1098059054)

This app wirelessly connects a Bluetooth battery tester to your smartphone or tablet. It allows you to perform various battery and system tests, view battery status, and store up to 2,000 test records. Test results can be easily emailed or texted.

**Highlights:** Perform Battery/System Test, EV Battery Test, Email/text test records, Bluetooth pairing, Store 2,000+ test records, Interactive Home Menu

**Features:** macOS Compatibility

**In-app purchases:** none


### Wireless Balancer

[App page](https://appshunter.io/ios/app/wireless-balancer/id6747765790)

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

**In-app purchases:** none


## Frequently asked questions

### Is SBT1 SchuLink free?

SBT1 SchuLink is free to download, with no in-app purchases.

### Is Wireless Balancer free?

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

### Do SBT1 SchuLink or Wireless Balancer have ads?

Neither SBT1 SchuLink nor Wireless Balancer shows ads.

### Which is updated more often, SBT1 SchuLink or Wireless Balancer?

SBT1 SchuLink ships an update every 12 months, and Wireless Balancer every 3 months. Most recently, SBT1 SchuLink was updated on October 24, 2026 and Wireless Balancer on October 17, 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.*