# Willo vs PRIME Performance Medicine

The clearest difference is device support: PRIME Performance Medicine at 4 against Willo's 2. PRIME Performance Medicine also leads on iOS requirement (15.1 vs 17). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Willo | PRIME Performance Medicine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (10 ratings)](https://appshunter.io/ios/app/willo/id6736669957/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Free | — |
| Size | 194 MB | 198 MB |
| Requires iOS | 17 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Willo 32, INC](https://appshunter.io/developer/1459638748) | [Ohana Holdings LLC](https://appshunter.io/developer/1754483200) |

## What reviewers say

### Willo

[App page](https://appshunter.io/ios/app/willo/id6736669957)

This app helps make brushing teeth fun for children with interactive timers and achievement levels. Parents can monitor brushing habits and set up reward systems for their kids to encourage consistent oral hygiene.

**Highlights:** Fun brushing timers, Achievement levels, Track brushing habits, Add rewards for kids, Encourage oral hygiene

**Features:** macOS Compatibility

**In-app purchases:** none


### PRIME Performance Medicine

[App page](https://appshunter.io/ios/app/prime-performance-medicine/id6755242018)

**Features:** Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Willo free?

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

### Is PRIME Performance Medicine free?

PRIME Performance Medicine is free to download, with no in-app purchases.

### Do Willo or PRIME Performance Medicine have ads?

Neither Willo nor PRIME Performance Medicine shows ads.

### Which is updated more often, Willo or PRIME Performance Medicine?

Willo ships an update every 3 weeks, and PRIME Performance Medicine every 3 weeks. Most recently, Willo was updated on October 27, 2026 and PRIME Performance Medicine on October 2, 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.*