# Prism vs Plant The World

The clearest difference is ads: Prism at none against Plant The World's shown. Prism also leads on device support (3 vs 1). Plant The World's advantage is iOS requirement (18.0 vs 26.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Prism sells 1 in-app purchase, starting at $1.99 per month and Plant The World sells 3 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Prism ships an update every 11 days, Plant The World every 3 weeks. Both last shipped on October 28, 2026.

## The numbers

| Metric | Prism | Plant The World |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (127 ratings)](https://appshunter.io/ios/app/plant-the-world-step-tracker/id6762010015/reviews)** |
| Number of ratings | — | **127** |
| Positive reviews | — | 23.1% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 32 MB |
| Requires iOS | 26.0 | **18.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [剑炜 陈](https://appshunter.io/developer/1868267178) | [Impending](https://appshunter.io/developer/486747007) |

## What reviewers say

### 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 |


### Plant The World

[App page](https://appshunter.io/ios/app/plant-the-world-step-tracker/id6762010015)

This app encourages daily walking by allowing you to grow a virtual grove. For every virtual tree you cultivate, a real tree is planted. Your grove will be populated with flowers and local fauna as you progress.

**Highlights:** Grow virtual grove with steps, Plant real trees, Populate grove with flowers and fauna, Track daily walking activity

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $6.99 | per month |
| 1 Tree | $4.99 | one-time |
| 5 Trees | $19.99 | one-time |


## Frequently asked questions

### Is Prism free?

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

### Is Plant The World free?

Plant The World is free to download, with in-app purchases available.

### Do Prism or Plant The World have ads?

Plant The World shows ads; Prism does not.

### Which is updated more often, Prism or Plant The World?

Prism ships an update every 11 days, and Plant The World every 3 weeks. Most recently, Prism was updated on October 28, 2026 and Plant The World on October 28, 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.*