# Built For This vs UnderTree

The clearest difference is in-app purchases: Built For This at none against UnderTree's 2. Built For This also leads on device support (4 vs 2). UnderTree's advantage is update cadence (every 3 weeks vs every 2 months) and ratings volume (7 vs 1). On price, rating, ads and monetization model there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Built For This against 4.9 for UnderTree. That said, the two scores are not equally well evidenced: UnderTree has 7 ratings behind it against 1, so its average is the more settled of the two.

Built For This ships an update every 2 months, UnderTree every 3 weeks. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Built For This | UnderTree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/built-for-this/id6720469087/reviews)** | [4.9 (7 ratings)](https://appshunter.io/ios/app/undertree-self-care-pet/id6761407039/reviews) |
| Number of ratings | 1 | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 181 MB | 35 MB |
| Requires iOS | 15.5 | **15.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Built For This LLC](https://appshunter.io/developer/1770620136) | [Libella LLC](https://appshunter.io/developer/6787000282) |

## What reviewers say

### Built For This

[App page](https://appshunter.io/ios/app/built-for-this/id6720469087)

This app offers personalized fitness plans and workout tracking to help you achieve your health goals. It also includes features for meal tracking, habit building, and progress monitoring, with real-time coach messaging and integration with wearable devices.

**Highlights:** Personalized training plans, Workout video guidance, Meal and habit tracking, Goal setting and progress monitoring, Real-time coach messaging, Body measurement and progress photos, Wearable device integration

**Features:** Apple Wallet, Apple Watch app

**In-app purchases:** none


### UnderTree

[App page](https://appshunter.io/ios/app/undertree-self-care-pet/id6761407039)

Cultivate emotional well-being through guided journaling and an AI-powered companion pet. Nurture your inner child, practice self-compassion, and track your progress as your digital forest grows.

**Highlights:** Micro-journaling with AI chat, Nurture inner child, Emotion-aware companion pet, AI-powered reflection, Track boundary setting, Visual forest growth

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UnderTree Plus Monthly | $4.99 | per month |
| UnderTree Plus Annual | $24.99 | per year |


## Frequently asked questions

### Is Built For This free?

Built For This is free to download, with no in-app purchases.

### Is UnderTree free?

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

### Which has better reviews, Built For This or UnderTree?

Built For This is rated higher. Built For This averages 5.0 out of 5 from 1 ratings, while UnderTree averages 4.9 from 7 ratings.

### Do Built For This or UnderTree have ads?

Neither Built For This nor UnderTree shows ads.

### Which is updated more often, Built For This or UnderTree?

Built For This ships an update every 2 months, and UnderTree every 3 weeks. Most recently, Built For This was updated on October 24, 2026 and UnderTree on October 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.*