# Prism vs Task Gremlin

The clearest difference is iOS requirement: Task Gremlin at 15.0 against Prism's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per month and Task Gremlin sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Prism | Task Gremlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Size | 15 MB | 20 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Istomin](https://appshunter.io/developer/1561482608) | [Tomer Li Ran](https://appshunter.io/developer/6793218159) |

## What reviewers say

### Prism

[App page](https://appshunter.io/ios/app/prism-visual-day-planner/id6751152159)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Pro (Monthly) | $4.99 | per month |
| Prism Pro (Annual) | $34.99 | per year |


### Task Gremlin

[App page](https://appshunter.io/ios/app/task-gremlin/id6793218157)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Task Gremlin Pro Monthly | $4.99 | per month |
| Task Gremlin Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is Prism free?

Prism is free to download, with in-app purchases available.

### Is Task Gremlin free?

Task Gremlin is free to download, with in-app purchases available.

### Do Prism or Task Gremlin have ads?

Neither Prism nor Task Gremlin shows ads.

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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.*