# Prism vs SimplePlan

The clearest difference is in-app purchases: SimplePlan at none against Prism's 2. Prism's advantage is update cadence (every 5 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Prism sells 2 in-app purchases, starting at $4.99 per month. SimplePlan asks for nothing beyond the download.

Prism ships an update every 5 days, SimplePlan every 2 months. The most recent releases landed on September 19, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Prism | SimplePlan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 15 MB | 5 MB |
| Requires iOS | 26.0 | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Istomin](https://appshunter.io/developer/1561482608) | [Ildar Khasanov](https://appshunter.io/developer/1883397362) |

## 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 |


### SimplePlan

[App page](https://appshunter.io/ios/app/simpleplan-smart-planner/id6780435610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Prism free?

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

### Is SimplePlan free?

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

### Do Prism or SimplePlan have ads?

Neither Prism nor SimplePlan shows ads.

### Which is updated more often, Prism or SimplePlan?

Prism ships an update every 5 days, and SimplePlan every 2 months. Most recently, Prism was updated on September 19, 2026 and SimplePlan on September 13, 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.*