# STEM Wizard Judging vs BioLog

The clearest difference is update cadence: BioLog at daily against STEM Wizard Judging's every 30 months. STEM Wizard Judging's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.

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

STEM Wizard Judging ships an update every 30 months, BioLog daily. The most recent releases landed on October 2, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | STEM Wizard Judging | BioLog |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 30 months | **Daily** |
| Size | 5 MB | 8 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tregaron India Holdings, LLC](https://appshunter.io/developer/648381550) | [Terrastation](https://appshunter.io/developer/6808723390) |

## What reviewers say

### STEM Wizard Judging

[App page](https://appshunter.io/ios/app/stem-wizard-judging/id6469099070)

**Features:** macOS Compatibility

**In-app purchases:** none


### BioLog

[App page](https://appshunter.io/ios/app/biolog/id6808723388)

**In-app purchases:** none


## Frequently asked questions

### Is STEM Wizard Judging free?

STEM Wizard Judging is free to download, with no in-app purchases.

### Is BioLog free?

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

### Do STEM Wizard Judging or BioLog have ads?

Neither STEM Wizard Judging nor BioLog shows ads.

### Which is updated more often, STEM Wizard Judging or BioLog?

STEM Wizard Judging ships an update every 30 months, and BioLog daily. Most recently, STEM Wizard Judging was updated on October 2, 2026 and BioLog 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.*