# Rocket Memo vs Perfect Lock

Rocket Memo and Perfect Lock are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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. Rocket Memo sells 5 in-app purchases, starting at $0.99 per month and Perfect Lock sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Rocket Memo | Perfect Lock |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | — |
| Monetization | Freemium | — |
| Size | 6 MB | 12 MB |
| Requires iOS | **18.0** | 18.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yoshinori Kasaya](https://appshunter.io/developer/1460652803) | [yunosuke yata](https://appshunter.io/developer/6787603181) |

## What reviewers say

### Rocket Memo

[App page](https://appshunter.io/ios/app/rocket-memo/id1472141702)

Capture thoughts instantly with this fast and organized notepad. Set reminders for important notes and find anything quickly with a powerful search. Designed for seamless idea management.

**Highlights:** Instant thought capture, Tag-based organization, Lightning-fast search, Note reminders, Clean editor

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rocket Pro Monthly | $0.99 | per month |
| Rocket Pro Yearly | $5.99 | per year |
| Small Coffee | $0.99 | one-time |
| Croissant & Coffee | $3.99 | one-time |
| Cake & Coffee | $9.99 | one-time |


### Perfect Lock

[App page](https://appshunter.io/ios/app/perfect-lock-screen-time/id6787911742)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Perfect Lock | $1.99 | per month |
| Perfect Lock | $29.99 | per year |


## Frequently asked questions

### Is Rocket Memo free?

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

### Is Perfect Lock free?

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

### Do Rocket Memo or Perfect Lock have ads?

Neither Rocket Memo nor Perfect Lock shows ads.

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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.*