# LOCK MEMO vs TwoDo

The clearest difference is price: LOCK MEMO at Free against TwoDo's $0.99. TwoDo's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

LOCK MEMO is free to download; TwoDo costs $0.99 up front. LOCK MEMO sells 1 in-app purchase, starting at $0.99 per month. TwoDo asks for nothing beyond the download.

LOCK MEMO ships an update monthly, TwoDo every 2 days. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | LOCK MEMO | TwoDo |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.7 (494 ratings)](https://appshunter.io/ios/app/lock-memo-secure-notes/id1070901429/reviews)** | — |
| Number of ratings | **494** | — |
| Positive reviews | 74.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 31 MB | 26 MB |
| Requires iOS | 17.0 | **14.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [EasterEggs](https://appshunter.io/developer/553389214) | [Ryo Makishima](https://appshunter.io/developer/1588567533) |

## What reviewers say

### LOCK MEMO

[App page](https://appshunter.io/ios/app/lock-memo-secure-notes/id1070901429)

This app offers a straightforward way to create and manage private notes with robust passcode protection. It's designed for intuitive use, requiring no complex setup to keep your personal information, ideas, and daily entries secure and organized.

**Highlights:** Passcode protection, Create and edit notes, Folder management, Search notes, iCloud backup, Adjustable font size

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Plan | $0.99 | per month |

**What reviewers like**

- 👍 Very easy to use and intuitive
- 🔒 Password protection and security features
- 💾 Reliable for storing notes and important information
- ⚡ Simple and lightweight application
- 📝 Great for quick memos and memory jogger

**What reviewers complain about**

- 🐛 Notes disappearing unexpectedly
- 🐛 Edit function stops working after extended use
- 📱 Compatibility issues with newer iOS versions
- ❌ No alphabetical sorting capability
- ❌ No search functionality

**Reported bugs**

- Notes disappearing from folders
- Edit function becomes unavailable
- App incompatible with newer iOS versions
- Touch ID not functioning despite advertised
- Password recovery issues

**Requested features**

- Alphabetical sorting of notes
- Search functionality
- Touch ID/biometric authentication
- Text formatting options (bold, underline, italics)
- Ability to share or export notes


### TwoDo

[App page](https://appshunter.io/ios/app/twodo/id1606507639)

This utility app helps couples and partners manage shared tasks like shopping lists, places to visit, and to-dos. It features real-time synchronization between devices, ensuring both partners are always updated on additions and deletions. Say goodbye to forgotten items and missed opportunities with this simple, intuitive tool.

**Highlights:** Shared task management for couples, Real-time synchronization, Simple and intuitive UI, Manages shopping, places, and to-dos, Eliminates forgotten tasks

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is LOCK MEMO free?

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

### Is TwoDo free?

TwoDo costs $0.99, with no in-app purchases.

### Do LOCK MEMO or TwoDo have ads?

LOCK MEMO shows ads; TwoDo does not.

### Which is updated more often, LOCK MEMO or TwoDo?

LOCK MEMO ships an update monthly, and TwoDo every 2 days. Most recently, LOCK MEMO was updated on September 22, 2026 and TwoDo on September 21, 2026.

---

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