# Plot Spark vs Entrigy Shield

The clearest difference is price: Entrigy Shield at Free against Plot Spark's $0.99. Entrigy Shield also leads on update cadence (every 9 days vs every 2 months) and iOS requirement (15.5 vs 18.0). On ads, in-app purchases and device support there is nothing between them.

Entrigy Shield is free to download; Plot Spark costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Plot Spark ships an update every 2 months, Entrigy Shield every 9 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Plot Spark | Entrigy Shield |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Size | 6 MB | 50 MB |
| Requires iOS | 18.0 | **15.5** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | +4 |
| Developer | [Tobias Reithmeier](https://appshunter.io/developer/1882860698) | [Grzegorz Rakoca](https://appshunter.io/developer/1778459428) |

## What reviewers say

### Plot Spark

[App page](https://appshunter.io/ios/app/plot-spark/id6760355038)

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

**In-app purchases:** none


### Entrigy Shield

[App page](https://appshunter.io/ios/app/entrigy-shield/id6762854850)

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

**In-app purchases:** none


## Frequently asked questions

### Is Plot Spark free?

Plot Spark costs $0.99, with no in-app purchases.

### Is Entrigy Shield free?

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

### Do Plot Spark or Entrigy Shield have ads?

Neither Plot Spark nor Entrigy Shield shows ads.

### Which is updated more often, Plot Spark or Entrigy Shield?

Plot Spark ships an update every 2 months, and Entrigy Shield every 9 days. Most recently, Plot Spark was updated on September 30, 2026 and Entrigy Shield on October 1, 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.*