# NoomaLooma vs Constraint Engine

The clearest difference is in-app purchases: NoomaLooma at none against Constraint Engine's 2. Constraint Engine's advantage is update cadence (daily vs fortnightly) and iOS requirement (16.0 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. Constraint Engine sells 2 in-app purchases, starting at $4.99 per month. NoomaLooma asks for nothing beyond the download.

NoomaLooma ships an update fortnightly, Constraint Engine daily. The most recent releases landed on October 17, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | NoomaLooma | Constraint Engine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (26 ratings)](https://appshunter.io/ios/app/noomalooma-creative-prompts/id6757317267/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 95.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Daily** |
| Monetization | Free | — |
| Size | 22 MB | 10 MB |
| Requires iOS | 18.5 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [NoomaLooma Inc.](https://appshunter.io/developer/1866007247) | [Mark Barker](https://appshunter.io/developer/1896741919) |

## What reviewers say

### NoomaLooma

[App page](https://appshunter.io/ios/app/noomalooma-creative-prompts/id6757317267)

Engage in short, mindful creative challenges designed to boost brain health and reduce stress. Each day, receive a playful prompt to create something in just 3-5 minutes, with no experience required. Share your creations and explore others' work on a community wall.

**Highlights:** Daily creative challenges (Noodles), 3-5 minute activity format, AI-powered prompts, Community sharing wall, Streak tracking for habit building, Fave and cheer features

**In-app purchases:** none


### Constraint Engine

[App page](https://appshunter.io/ios/app/constraint-engine/id6772520332)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Constraint Engine Pro | $4.99 | per month |
| Constraint Engine Pro | $29.99 | per year |


## Frequently asked questions

### Is NoomaLooma free?

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

### Is Constraint Engine free?

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

### Do NoomaLooma or Constraint Engine have ads?

Neither NoomaLooma nor Constraint Engine shows ads.

### Which is updated more often, NoomaLooma or Constraint Engine?

NoomaLooma ships an update fortnightly, and Constraint Engine daily. Most recently, NoomaLooma was updated on October 17, 2026 and Constraint Engine on October 5, 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.*