# Safety Note+ Pro vs Memorize Pi Digits

The clearest difference is ads: Safety Note+ Pro at none against Memorize Pi Digits's shown. Safety Note+ Pro also leads on update cadence (fortnightly vs every 5 months) and rating (4.8 vs 4.4). On review sentiment, in-app purchases, device support and iOS requirement there is nothing between them.

Safety Note+ Pro costs $3.99 and Memorize Pi Digits $4.99 up front. Safety Note+ Pro sells 6 in-app purchases, starting at $0.99 per month and Memorize Pi Digits sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Safety Note+ Pro holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 743 and 152 respectively. Written reviews point the same way: 77% of Safety Note+ Pro's written reviews are positive against 74% of Memorize Pi Digits's.

Safety Note+ Pro ships an update fortnightly, Memorize Pi Digits every 5 months. The most recent releases landed on October 19, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Safety Note+ Pro | Memorize Pi Digits |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | **[4.8 (743 ratings)](https://appshunter.io/ios/app/safety-note-plus-pro-locked-notes/id460661291/reviews)** | [4.4 (152 ratings)](https://appshunter.io/ios/app/memorize-pi-digits-314/id1264340985/reviews) |
| Number of ratings | **743** | 152 |
| Positive reviews | **77.1% of reviews** | 74.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Fortnightly** | Every 5 months |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 79 MB | 103 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eightythree Technology](https://appshunter.io/developer/431033047) | [Oscar Tsang](https://appshunter.io/developer/416987065) |

## What reviewers say

### Safety Note+ Pro

[App page](https://appshunter.io/ios/app/safety-note-plus-pro-locked-notes/id460661291)

Secure your private notes with advanced protection. This app offers passcode and biometric locks, intruder reports, and folder-specific security. Organize, back up, and share your sensitive information with peace of mind.

**Highlights:** Advanced security system, Passcode and biometric protection, Intruder report, Decoy password, Folder-specific locking, Note organization and backup

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iCloud Sync Monthly | $0.99 | per month |
| Cloud Backup Monthly | $1.49 | per month |
| iCloud Sync Yearly | $6.99 | per year |
| Cloud Backup Yearly | $8.99 | per year |
| Reset Password | $1.99 | one-time |
| iCloud Sync Lifetime | $49.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 🔒 Secure password storage
- 🚀 Convenient organization
- 💡 Useful for storing sensitive information

**What reviewers complain about**

- 🐛 Bugs and crashes
- 🔒 Password reset issues
- 💰 Subscription model concerns
- 🔍 Lack of search functionality
- 📝 Limited formatting options

**Reported bugs**

- Notes not saving properly
- Password not recognized after updates
- App freezing or crashing on startup
- Incompatibility with newer iOS versions

**Requested features**

- Cloud sync and backup options
- Customizable themes and layouts
- Improved cursor and text selection controls
- Folder-level password protection
- Keyword search


### Memorize Pi Digits

[App page](https://appshunter.io/ios/app/memorize-pi-digits-314/id1264340985)

This app helps you memorize digits of Pi, offering up to one million digits for practice. It features a dark mode interface and a network competition mode for up to five players. Ideal for educational purposes and memory improvement.

**Highlights:** Memorize up to 1 million Pi digits, Dark mode UI design, Network competition mode (up to 5 players), Educational game for memory improvement, Track progress day by day

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove AD | $1.99 | one-time |


## Frequently asked questions

### Is Safety Note+ Pro free?

Safety Note+ Pro costs $3.99, and also offers in-app purchases.

### Is Memorize Pi Digits free?

Memorize Pi Digits costs $4.99, and also offers in-app purchases.

### Which has better reviews, Safety Note+ Pro or Memorize Pi Digits?

Safety Note+ Pro is rated higher. Safety Note+ Pro averages 4.8 out of 5 from 743 ratings, while Memorize Pi Digits averages 4.4 from 152 ratings.

### Do Safety Note+ Pro or Memorize Pi Digits have ads?

Memorize Pi Digits shows ads; Safety Note+ Pro does not.

### Which is updated more often, Safety Note+ Pro or Memorize Pi Digits?

Safety Note+ Pro ships an update fortnightly, and Memorize Pi Digits every 5 months. Most recently, Safety Note+ Pro was updated on October 19, 2026 and Memorize Pi Digits on October 16, 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.*