# Brain Target Guidance vs TSM Scale

The clearest difference is update cadence: Brain Target Guidance at every 11 days against TSM Scale's every 4 months. Brain Target Guidance also leads on iOS requirement (12.0 vs 15.6). 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.

Brain Target Guidance ships an update every 11 days, TSM Scale every 4 months. The most recent releases landed on October 12, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Brain Target Guidance | TSM Scale |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 months |
| Size | 919 MB | 21 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [UpSurgeOn](https://appshunter.io/developer/1193542467) | [BAPTIST HEALTH MEDICAL GROUP PHYSICIANS, LLC](https://appshunter.io/developer/1895664627) |

## What reviewers say

### Brain Target Guidance

[App page](https://appshunter.io/ios/app/brain-target-guidance/id6753673741)

**Features:** macOS Compatibility

**In-app purchases:** none


### TSM Scale

[App page](https://appshunter.io/ios/app/tsm-scale/id6764157658)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Brain Target Guidance free?

Brain Target Guidance is free to download, with no in-app purchases.

### Is TSM Scale free?

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

### Do Brain Target Guidance or TSM Scale have ads?

Neither Brain Target Guidance nor TSM Scale shows ads.

### Which is updated more often, Brain Target Guidance or TSM Scale?

Brain Target Guidance ships an update every 11 days, and TSM Scale every 4 months. Most recently, Brain Target Guidance was updated on October 12, 2026 and TSM Scale on October 2, 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.*