# MyGrain vs Prodrom

MyGrain and Prodrom are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. MyGrain sells 2 in-app purchases, starting at $2.99 per month and Prodrom sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

MyGrain ships an update every 8 days, Prodrom weekly. The most recent releases landed on October 27, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | MyGrain | Prodrom |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Weekly** |
| Size | 50 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Alfonso Matos](https://appshunter.io/developer/1751243701) | [Zoa Cavenaile](https://appshunter.io/developer/6796726984) |

## What reviewers say

### MyGrain

[App page](https://appshunter.io/ios/app/mygrain-migraine-diary/id6504174607)

**Features:** iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| My Grain Monthly Subscription | $2.99 | per month |
| My Grain Annual Subscription | $29.99 | per year |


### Prodrom

[App page](https://appshunter.io/ios/app/prodrom/id6796726982)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prodrom+ Monthly | $7.99 | per month |
| Prodrom+ Yearly | $59.99 | per year |
| Prodrom+ Lifetime | $89.99 | one-time |


## Frequently asked questions

### Is MyGrain free?

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

### Is Prodrom free?

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

### Do MyGrain or Prodrom have ads?

Neither MyGrain nor Prodrom shows ads.

### Which is updated more often, MyGrain or Prodrom?

MyGrain ships an update every 8 days, and Prodrom weekly. Most recently, MyGrain was updated on October 27, 2026 and Prodrom 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.*