# InLab vs Moonwave

The clearest difference is in-app purchases: InLab at none against Moonwave's 1. InLab also leads on iOS requirement (7.0 vs 17.0). Moonwave's advantage is update cadence (every 3 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Moonwave sells 1 one-off in-app purchase. InLab asks for nothing beyond the download.

InLab ships an update every 3 months, Moonwave every 3 days. The most recent releases landed on November 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | InLab | Moonwave |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/inlab-growth-diary/id1091424868/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 10 MB | 21 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [InBody Co., Ltd.](https://appshunter.io/developer/524989563) | [stDEV](https://appshunter.io/developer/1879180620) |

## What reviewers say

### InLab

[App page](https://appshunter.io/ios/app/inlab-growth-diary/id1091424868)

Track your child's height and weight progress with this app. Monitor growth against standard curves using detailed graphs and reports. Manage multiple children's data easily by entering their birth dates.

**Highlights:** Record height and weight, Monitor growth against standard curves, Detailed graphs and reports, Manage multiple children, Simple design

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

**In-app purchases:** none


### Moonwave

[App page](https://appshunter.io/ios/app/moonwave-period-tracker/id6778429839)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $19.99 | one-time |


## Frequently asked questions

### Is InLab free?

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

### Is Moonwave free?

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

### Do InLab or Moonwave have ads?

Neither InLab nor Moonwave shows ads.

### Which is updated more often, InLab or Moonwave?

InLab ships an update every 3 months, and Moonwave every 3 days. Most recently, InLab was updated on November 2, 2026 and Moonwave on October 25, 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.*