# Moonbow vs VitalFill

The clearest difference is ads: VitalFill at none against Moonbow's shown. Moonbow's advantage is device support (4 vs 1). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Moonbow sells 2 in-app purchases, starting at $8.99 per month and VitalFill sells 3 in-app purchases, starting at $1.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Moonbow ships an update every 2 weeks, VitalFill monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Moonbow | VitalFill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/moonbow-autism-behavior-log/id6764191923/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 62 MB | 35 MB |
| Requires iOS | **15.1** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Synalume, LLC](https://appshunter.io/developer/1894667409) | [Vital Fill LLC](https://appshunter.io/developer/6779818844) |

## What reviewers say

### Moonbow

[App page](https://appshunter.io/ios/app/moonbow-autism-behavior-log/id6764191923)

This app helps parents and caregivers of neurodivergent children translate behavior into actionable insights. It offers tools to log events, prepare for transitions, and generate reports for therapists and educators. The app supports voice and text input in multiple languages, with a focus on privacy.

**Highlights:** Voice and text behavior logging, ABC insights generation, Environmental preparation planning, Clinician-approved home practice, Weekly clinical summaries, Shareable PDF reports, Care Circle for co-parents

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Moonbow Premium Monthly | $8.99 | per month |
| Moonbow Premium Annual | $49.99 | per year |


### VitalFill

[App page](https://appshunter.io/ios/app/vitalfill-nutrient-tracker/id6787576368)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VitalFill Pro Weekly | $1.99 | per 7 days |
| VitalFill Pro Monthly | $3.99 | per month |
| VitalFill Pro Annual | $23.99 | per year |


## Frequently asked questions

### Is Moonbow free?

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

### Is VitalFill free?

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

### Do Moonbow or VitalFill have ads?

Moonbow shows ads; VitalFill does not.

### Which is updated more often, Moonbow or VitalFill?

Moonbow ships an update every 2 weeks, and VitalFill monthly. Most recently, Moonbow was updated on November 5, 2026 and VitalFill on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*