# Unexpected Growth vs Stimmy Force

The clearest difference is price: Unexpected Growth at Free against Stimmy Force's $0.99. Unexpected Growth also leads on ratings volume (8 vs 2) and iOS requirement (12.0 vs 15). Stimmy Force's advantage is rating (5.0 vs 4.4) and update cadence (daily vs every 6 weeks). On ads, in-app purchases and device support there is nothing between them.

Unexpected Growth is free to download; Stimmy Force costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Stimmy Force holds the better App Store score, 5.0 against 4.4. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

Unexpected Growth ships an update every 6 weeks, Stimmy Force daily. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Unexpected Growth | Stimmy Force |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.4 (8 ratings)](https://appshunter.io/ios/app/unexpected-growth/id1416098058/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/stimmy-force/id6742208205/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Daily** |
| Monetization | **Free** | Paid |
| Size | 64 MB | 2 MB |
| Requires iOS | **12.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tamiko Thiel](https://appshunter.io/developer/1416098057) | [KOA Interactive LLC](https://appshunter.io/developer/1643447164) |

## What reviewers say

### Unexpected Growth

[App page](https://appshunter.io/ios/app/unexpected-growth/id1416098058)

Experience an augmented reality art installation on a museum terrace. Explore a coral reef made of plastic waste that reacts to your presence and environmental changes. Witness the impact of human interaction on digital art.

**Highlights:** Augmented reality art experience, Geolocative installation, Site-specific artwork, Interactive coral reef, Environmental commentary, Dynamic visual changes

**Features:** macOS Compatibility

**In-app purchases:** none


### Stimmy Force

[App page](https://appshunter.io/ios/app/stimmy-force/id6742208205)

This app offers a calming sensory experience with smooth, friction-free animations. Users can customize various aspects of the visual elements to reduce stress, improve focus, and promote a sense of control. It's designed to be an engaging and therapeutic tool for relaxation.

**Highlights:** Friction-free animation, Adjustable force, size, and color, Interactive drag and release mechanics, Offline functionality, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Unexpected Growth free?

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

### Is Stimmy Force free?

Stimmy Force costs $0.99, with no in-app purchases.

### Which has better reviews, Unexpected Growth or Stimmy Force?

Stimmy Force is rated higher. Unexpected Growth averages 4.4 out of 5 from 8 ratings, while Stimmy Force averages 5.0 from 2 ratings.

### Do Unexpected Growth or Stimmy Force have ads?

Neither Unexpected Growth nor Stimmy Force shows ads.

### Which is updated more often, Unexpected Growth or Stimmy Force?

Unexpected Growth ships an update every 6 weeks, and Stimmy Force daily. Most recently, Unexpected Growth was updated on November 2, 2026 and Stimmy Force on November 4, 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.*