# FutureHeight vs Plank Trainer

The clearest difference is price: FutureHeight at Free against Plank Trainer's $0.99. FutureHeight also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). Plank Trainer's advantage is ads (none vs shown) and update cadence (every 6 days vs every 3 weeks). On review sentiment and in-app purchases there is nothing between them.

FutureHeight is free to download; Plank Trainer costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FutureHeight ships an update every 3 weeks, Plank Trainer every 6 days. The most recent releases landed on October 22, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | FutureHeight | Plank Trainer |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/futureheight-height-predictor/id6749194528/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Monetization | **Ad-supported** | Paid |
| Size | 36 MB | 33 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Konda](https://appshunter.io/developer/1016233334) | [Christopher Stephan](https://appshunter.io/developer/1186986591) |

## What reviewers say

### FutureHeight

[App page](https://appshunter.io/ios/app/futureheight-height-predictor/id6749194528)

Estimate your child's adult height with advanced AI. Input family member measurements to receive a personalized, scientific prediction based on your unique family tree. It's a fun and educational way to explore genetic influences on height.

**Highlights:** AI-driven height prediction, Analyzes entire family tree, Personalized scientific estimates, Fast results in seconds, Private data handling, Educational insights on genetics

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

**In-app purchases:** none


### Plank Trainer

[App page](https://appshunter.io/ios/app/plank-trainer/id6756194595)

This app helps you build core strength through guided plank exercises. It automatically adjusts difficulty to keep you challenged and motivated, tracking your progress with detailed statistics and social features to train with friends.

**Highlights:** Smart automatic progression, Distraction-free design, Daily streaks and statistics, Train with friends in Squads, Share achievements, One-time purchase

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is FutureHeight free?

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

### Is Plank Trainer free?

Plank Trainer costs $0.99, with no in-app purchases.

### Do FutureHeight or Plank Trainer have ads?

FutureHeight shows ads; Plank Trainer does not.

### Which is updated more often, FutureHeight or Plank Trainer?

FutureHeight ships an update every 3 weeks, and Plank Trainer every 6 days. Most recently, FutureHeight was updated on October 22, 2026 and Plank Trainer on October 14, 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.*