# TMD Lightning warning system vs Payumoon

The clearest difference is in-app purchases: TMD Lightning warning system at none against Payumoon's 3. TMD Lightning warning system also leads on iOS requirement (12.4 vs 15.0). Payumoon's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Payumoon sells 3 one-off in-app purchases. TMD Lightning warning system asks for nothing beyond the download.

TMD Lightning warning system ships an update every 2 months, Payumoon fortnightly. The most recent releases landed on September 11, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | TMD Lightning warning system | Payumoon |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Size | 101 MB | 90 MB |
| Requires iOS | **12.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thai Meteorological Department](https://appshunter.io/developer/904197426) | [Peerawat Chotikanokrat](https://appshunter.io/developer/1846548388) |

## What reviewers say

### TMD Lightning warning system

[App page](https://appshunter.io/ios/app/tmd-lightning-warning-system/id1510905216)

**Features:** Vision Pro support

**In-app purchases:** none


### Payumoon

[App page](https://appshunter.io/ios/app/payumoon/id6754074439)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter | $1.99 | one-time |
| Pro | $8.99 | one-time |
| Exclusive | $12.99 | one-time |


## Frequently asked questions

### Is TMD Lightning warning system free?

TMD Lightning warning system is free to download, with no in-app purchases.

### Is Payumoon free?

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

### Do TMD Lightning warning system or Payumoon have ads?

Neither TMD Lightning warning system nor Payumoon shows ads.

### Which is updated more often, TMD Lightning warning system or Payumoon?

TMD Lightning warning system ships an update every 2 months, and Payumoon fortnightly. Most recently, TMD Lightning warning system was updated on September 11, 2026 and Payumoon on September 19, 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.*