# Prism vs Time Block Planner

The clearest difference is update cadence: Prism at every 5 days against Time Block Planner's every 3 months. Time Block Planner's advantage is iOS requirement (13.0 vs 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 Time Block Planner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Prism ships an update every 5 days, Time Block Planner every 3 months. The most recent releases landed on September 19, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Prism | Time Block Planner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Size | 15 MB | 19 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Iurii Istomin](https://appshunter.io/developer/1561482608) | [Bui Gia Minh Nguyen](https://appshunter.io/developer/1870184927) |

## 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 |


### Time Block Planner

[App page](https://appshunter.io/ios/app/time-block-planner/id6757999124)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| removed ads | $4.99 | one-time |


## Frequently asked questions

### Is Prism free?

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

### Is Time Block Planner free?

Time Block Planner is free to download, with in-app purchases available.

### Do Prism or Time Block Planner have ads?

Neither Prism nor Time Block Planner shows ads.

### Which is updated more often, Prism or Time Block Planner?

Prism ships an update every 5 days, and Time Block Planner every 3 months. Most recently, Prism was updated on September 19, 2026 and Time Block Planner on September 22, 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.*