# PrescriptionDay vs Waves

The clearest difference is price: PrescriptionDay at Free against Waves's $1.99. PrescriptionDay also leads on in-app purchases (none vs 1) and update cadence (every 11 days vs every 4 weeks). On ads and device support there is nothing between them.

PrescriptionDay is free to download; Waves costs $1.99 up front. Waves sells 1 one-off in-app purchase. PrescriptionDay asks for nothing beyond the download.

PrescriptionDay ships an update every 11 days, Waves every 4 weeks. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | PrescriptionDay | Waves |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 4 weeks |
| Size | 53 MB | 2 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Pharmdel Ltd](https://appshunter.io/developer/1724024314) | [Youssef Ziat](https://appshunter.io/developer/1871790298) |

## What reviewers say

### PrescriptionDay

[App page](https://appshunter.io/ios/app/prescriptionday/id6475352076)

**Features:** macOS Compatibility

**In-app purchases:** none


### Waves

[App page](https://appshunter.io/ios/app/waves-contraction-timer/id6797129633)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waves Complete | $14.99 | one-time |


## Frequently asked questions

### Is PrescriptionDay free?

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

### Is Waves free?

Waves costs $1.99, and also offers in-app purchases.

### Do PrescriptionDay or Waves have ads?

Neither PrescriptionDay nor Waves shows ads.

### Which is updated more often, PrescriptionDay or Waves?

PrescriptionDay ships an update every 11 days, and Waves every 4 weeks. Most recently, PrescriptionDay was updated on October 12, 2026 and Waves on October 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.*