# IC DayPlanner vs Prism

The clearest difference is in-app purchases: IC DayPlanner at none against Prism's 2. IC DayPlanner also leads on iOS requirement (18.1 vs 26.0). Prism's advantage is update cadence (every 5 days vs every 15 months). On price, ads 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. IC DayPlanner asks for nothing beyond the download.

IC DayPlanner ships an update every 15 months, Prism every 5 days. The most recent releases landed on October 10, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | IC DayPlanner | Prism |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Size | 1 MB | 15 MB |
| Requires iOS | **18.1** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Igor Chesnokov](https://appshunter.io/developer/792529887) | [Iurii Istomin](https://appshunter.io/developer/1561482608) |

## What reviewers say

### IC DayPlanner

[App page](https://appshunter.io/ios/app/ic-dayplanner/id6450760203)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is IC DayPlanner free?

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

### Is Prism free?

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

### Do IC DayPlanner or Prism have ads?

Neither IC DayPlanner nor Prism shows ads.

### Which is updated more often, IC DayPlanner or Prism?

IC DayPlanner ships an update every 15 months, and Prism every 5 days. Most recently, IC DayPlanner was updated on October 10, 2026 and Prism on October 6, 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.*