# MicroScope Adapter Camera app vs Bastion Key

The clearest difference is in-app purchases: Bastion Key at none against MicroScope Adapter Camera app's 1. Bastion Key also leads on update cadence (every 6 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MicroScope Adapter Camera app sells 1 one-off in-app purchase. Bastion Key asks for nothing beyond the download.

MicroScope Adapter Camera app ships an update every 6 weeks, Bastion Key every 6 days. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | MicroScope Adapter Camera app | Bastion Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/microscope-adapter-camera-app/id6754600956/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 85 MB | 53 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CODES ORBIT PRIVATE LIMITED](https://appshunter.io/developer/1383713580) | [Bastion Dynamics Ltd](https://appshunter.io/developer/6782100016) |

## What reviewers say

### MicroScope Adapter Camera app

[App page](https://appshunter.io/ios/app/microscope-adapter-camera-app/id6754600956)

Transform your smartphone into a professional microscope companion. Capture, measure, and document microscopic samples with scientific accuracy using calibration tools and precise measurement features.

**Highlights:** Micron measurement with calibration, Ocular lens power settings, Objective lens profiles, Scale bar overlay, Annotation tools, Sample organization, Auto crop for circular view

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| MicroSkopeCam | $1.99 | one-time |


### Bastion Key

[App page](https://appshunter.io/ios/app/bastion-key/id6782100014)

**In-app purchases:** none


## Frequently asked questions

### Is MicroScope Adapter Camera app free?

MicroScope Adapter Camera app is free to download, with in-app purchases available.

### Is Bastion Key free?

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

### Do MicroScope Adapter Camera app or Bastion Key have ads?

Neither MicroScope Adapter Camera app nor Bastion Key shows ads.

### Which is updated more often, MicroScope Adapter Camera app or Bastion Key?

MicroScope Adapter Camera app ships an update every 6 weeks, and Bastion Key every 6 days. Most recently, MicroScope Adapter Camera app was updated on October 4, 2026 and Bastion Key on October 6, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*