# Lua vs ShapeOn

The clearest difference is in-app purchases: ShapeOn at none against Lua's 4. Lua's advantage is update cadence (every 3 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Lua sells 4 in-app purchases, starting at $6.49 per month. ShapeOn asks for nothing beyond the download.

Lua ships an update every 3 days, ShapeOn every 2 weeks. The most recent releases landed on November 13, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Lua | ShapeOn |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lua-period-and-birth-control/id6792703101/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 86 MB | 80 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Nuno Coelho](https://appshunter.io/developer/825072693) | [Rodrigo Pereira](https://appshunter.io/developer/1893183166) |

## What reviewers say

### Lua

[App page](https://appshunter.io/ios/app/lua-period-and-birth-control/id6792703101)

Track your menstrual cycle, predict your period, and manage birth control with private, on-device reminders. Offers insights into your cycle phases, fertile windows, and pregnancy tracking. Integrates with Apple Health for seamless data sharing.

**Highlights:** Period and fertile window estimates, Birth control pill and method reminders, Symptom and flow logging, Pregnancy tracking, On-device data storage, Apple Health integration

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $6.49 | per month |
| Lua for Contraception | $19.99 | per year |
| Yearly | $39.99 | per year |
| Yearly | $39.99 | per year |


### ShapeOn

[App page](https://appshunter.io/ios/app/shapeon/id6797343804)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lua free?

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

### Is ShapeOn free?

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

### Do Lua or ShapeOn have ads?

Neither Lua nor ShapeOn shows ads.

### Which is updated more often, Lua or ShapeOn?

Lua ships an update every 3 days, and ShapeOn every 2 weeks. Most recently, Lua was updated on November 13, 2026 and ShapeOn on November 10, 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.*