# Memo vs SimplyCheck by Energybox

The clearest difference is rating: Memo at 5.0 against SimplyCheck by Energybox's 4.0. Memo also leads on review sentiment (85% vs 50%) and update cadence (every 6 days vs every 2 months). SimplyCheck by Energybox's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Memo sells 4 one-off in-app purchases. SimplyCheck by Energybox asks for nothing beyond the download.

Memo holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews point the same way: 85% of Memo's written reviews are positive against 50% of SimplyCheck by Energybox's.

Memo ships an update every 6 days, SimplyCheck by Energybox every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Memo | SimplyCheck by Energybox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/memo-lock-screen-notes/id1435873085/reviews)** | [4.0 (4 ratings)](https://appshunter.io/ios/app/simplycheck-by-energybox/id1537805059/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | **84.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 21 MB | 25 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Toshihiko Arai](https://appshunter.io/developer/415194231) | [Energybox Limited](https://appshunter.io/developer/1423514039) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo-lock-screen-notes/id1435873085)

Keep important short notes visible on your lock screen and in notifications. Ideal for lists and reminders that need frequent checking without opening an app.

**Highlights:** Add notes to Notification Center, View notes from lock screen, Organize notes with tags, Mark notes as done with strikethrough, Share notes as Markdown, Save URLs via Share Extension, Import line-by-line lists

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $4.99 | one-time |
| Buy me two coffees | $9.99 | one-time |
| Memo Pro | $10.00 | one-time |
| Big support | $19.99 | one-time |


### SimplyCheck by Energybox

[App page](https://appshunter.io/ios/app/simplycheck-by-energybox/id1537805059)

This app provides real-time operational alerts and allows for remote management of multi-site operations. Users can log in with existing credentials to receive push notifications, identify specific triggers, and manage notifications with advanced options. It offers a 7-day history of sensor data and sorting capabilities for efficient control.

**Highlights:** Real-time push notifications, Multi-site operations management, Identify notification triggers, Advanced notification dismissal, Share and forward notifications, 7-day sensor data history, Sort notifications by priority

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Memo free?

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

### Is SimplyCheck by Energybox free?

SimplyCheck by Energybox is free to download, with no in-app purchases.

### Which has better reviews, Memo or SimplyCheck by Energybox?

Memo is rated higher. Memo averages 5.0 out of 5 from 1 ratings, while SimplyCheck by Energybox averages 4.0 from 4 ratings.

### Do Memo or SimplyCheck by Energybox have ads?

Memo shows ads; SimplyCheck by Energybox does not.

### Which is updated more often, Memo or SimplyCheck by Energybox?

Memo ships an update every 6 days, and SimplyCheck by Energybox every 2 months. Most recently, Memo was updated on November 2, 2026 and SimplyCheck by Energybox on November 3, 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.*