# Pass Alarm vs Weight Diet Log

The clearest difference is update cadence: Pass Alarm at daily against Weight Diet Log's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Pass Alarm sells 2 in-app purchases, starting at $2.99 per month and Weight Diet Log sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Pass Alarm ships an update daily, Weight Diet Log every 2 months. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Pass Alarm | Weight Diet Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Every 2 months |
| Size | 19 MB | 7 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [no geass inc.](https://appshunter.io/developer/1879395534) | [Ryosuke Yamamoto](https://appshunter.io/developer/1689166532) |

## What reviewers say

### Pass Alarm

[App page](https://appshunter.io/ios/app/pass-alarm/id6759545599)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| パスアラーム Pro(月額) | $2.99 | per month |
| パスアラーム Pro(年額) | $22.99 | per year |


### Weight Diet Log

[App page](https://appshunter.io/ios/app/weight-diet-log/id6775499025)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weight Diet Log Premium | $3.99 | one-time |


## Frequently asked questions

### Is Pass Alarm free?

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

### Is Weight Diet Log free?

Weight Diet Log is free to download, with in-app purchases available.

### Do Pass Alarm or Weight Diet Log have ads?

Both Pass Alarm and Weight Diet Log show ads.

### Which is updated more often, Pass Alarm or Weight Diet Log?

Pass Alarm ships an update daily, and Weight Diet Log every 2 months. Most recently, Pass Alarm was updated on November 9, 2026 and Weight Diet Log on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*