# PrepNotify vs CapPING

The clearest difference is update cadence: CapPING at every 2 days against PrepNotify's every 2 weeks. PrepNotify's advantage is iOS requirement (18.0 vs 26.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PrepNotify sells 3 in-app purchases, starting at $1.99 per month and CapPING sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

PrepNotify ships an update every 2 weeks, CapPING every 2 days. The most recent releases landed on November 6, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | PrepNotify | CapPING |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Size | 24 MB | 47 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Pei Yang Jhang](https://appshunter.io/developer/6793039246) | [Lam Le](https://appshunter.io/developer/1659483655) |

## What reviewers say

### PrepNotify

[App page](https://appshunter.io/ios/app/prepnotify-supply-tracker/id6793039244)

**Features:** iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One bubble tea a month | $1.99 | per month |
| A year of bubble tea | $14.99 | per year |
| Buy me a bubble tea | $1.99 | one-time |


### CapPING

[App page](https://appshunter.io/ios/app/capping-lockscreen-widgets/id6813147724)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CapLock Pro Weekly | $4.99 | per 7 days |
| CapLock Pro Yearly | $19.99 | per year |
| CapLock Pro Lifetime | $39.99 | one-time |


## Frequently asked questions

### Is PrepNotify free?

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

### Is CapPING free?

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

### Do PrepNotify or CapPING have ads?

Neither PrepNotify nor CapPING shows ads.

### Which is updated more often, PrepNotify or CapPING?

PrepNotify ships an update every 2 weeks, and CapPING every 2 days. Most recently, PrepNotify was updated on November 6, 2026 and CapPING on November 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.*