# DayLight | Sunlight Planner vs Prism

The clearest difference is update cadence: DayLight | Sunlight Planner at every 2 days against Prism's every 11 days. DayLight | Sunlight Planner also leads on iOS requirement (17.6 vs 26.0). Prism's advantage is device support (3 vs 1). On price, ads and in-app purchases there is nothing between them.

Both are free to download. DayLight | Sunlight Planner sells 2 in-app purchases, starting at $2.99 per month and Prism sells 1 in-app purchase, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

DayLight | Sunlight Planner ships an update every 2 days, Prism every 11 days. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | DayLight | Sunlight Planner | Prism |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Size | 14 MB | 3 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [sota kidawara](https://appshunter.io/developer/1843571643) | [剑炜 陈](https://appshunter.io/developer/1868267178) |

## What reviewers say

### DayLight | Sunlight Planner

[App page](https://appshunter.io/ios/app/daylight-sunlight-planner/id6753936788)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DayLight Pro | $2.99 | per month |
| DayLight Pro | $19.99 | per year |


### Prism

[App page](https://appshunter.io/ios/app/prism-sunlight-tracker/id6758259341)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prism Premium (Monthly) | $1.99 | per month |


## Frequently asked questions

### Is DayLight | Sunlight Planner free?

DayLight | Sunlight Planner is free to download, with in-app purchases available.

### Is Prism free?

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

### Do DayLight | Sunlight Planner or Prism have ads?

Neither DayLight | Sunlight Planner nor Prism shows ads.

### Which is updated more often, DayLight | Sunlight Planner or Prism?

DayLight | Sunlight Planner ships an update every 2 days, and Prism every 11 days. Most recently, DayLight | Sunlight Planner was updated on September 18, 2026 and Prism on September 8, 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.*