# OpenMEI vs Trade Alert

The clearest difference is iOS requirement: OpenMEI at 15.5 against Trade Alert's 17.6. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. OpenMEI sells 2 in-app purchases, starting at $26.49 per year and Trade Alert sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

OpenMEI ships an update fortnightly, Trade Alert every 8 days. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | OpenMEI | Trade Alert |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 8 days** |
| Size | 33 MB | 5 MB |
| Requires iOS | **15.5** | 17.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [OpenMEI](https://appshunter.io/developer/1578575547) | [Mundo Software](https://appshunter.io/developer/1843204985) |

## What reviewers say

### OpenMEI

[App page](https://appshunter.io/ios/app/openmei/id1578575545)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plano Super | $26.49 | per year |
| Plano Top | $52.99 | per year |


### Trade Alert

[App page](https://appshunter.io/ios/app/trade-alert-b3/id6797520685)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Mensal | $0.99 | per month |
| Pro Anual | $4.99 | per year |
| Lifetime Unlock | $7.99 | one-time |


## Frequently asked questions

### Is OpenMEI free?

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

### Is Trade Alert free?

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

### Do OpenMEI or Trade Alert have ads?

Neither OpenMEI nor Trade Alert shows ads.

### Which is updated more often, OpenMEI or Trade Alert?

OpenMEI ships an update fortnightly, and Trade Alert every 8 days. Most recently, OpenMEI was updated on October 27, 2026 and Trade Alert on October 31, 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.*