# Complement app vs Simple Diary

Complement app and Simple Diary both sit at 4.7 stars, but that hides the real split: 78% of Simple Diary's written reviews are positive against 61% of Complement app's. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Complement app sells 1 one-off in-app purchase and Simple Diary sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Complement app against 4.8 for Simple Diary. Both are backed by a comparable volume of ratings — 1K and 908 respectively. Written reviews are what separate them: 61% of Complement app's written reviews are positive against 78% of Simple Diary's.

Complement app ships an update every 5 weeks, Simple Diary every 2 months. The most recent releases landed on October 6, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Complement app | Simple Diary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1K ratings)](https://appshunter.io/ios/app/complement-app/id1269135118/reviews) | **[4.8 (908 ratings)](https://appshunter.io/ios/app/simple-diary-daily-journal/id1388195923/reviews)** |
| Number of ratings | **1K** | 908 |
| Positive reviews | 60.9% of reviews | **78.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 14 MB | 206 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alan Roldan](https://appshunter.io/developer/1101757198) | [Komorebi Inc.](https://appshunter.io/developer/481596469) |

## What reviewers say

### Complement app

[App page](https://appshunter.io/ios/app/complement-app/id1269135118)

Enhance your WhatsApp experience with tools to manage contacts and messages. Quickly start chats, save contacts without storing them, and schedule messages for future delivery. Enjoy a user-friendly interface designed for efficiency.

**Highlights:** Open chat without saving number, Save contacts without phone storage, Share, edit, and export contacts, Schedule messages for specific dates, Edit created reminders

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $9.99 | one-time |

**What reviewers like**

- 🚀 Smooth UI
- 💡 Helpful for organizing WhatsApp messages
- 👍 Functional and easy to use
- 🚀 Excellent app
- 👍 Useful app

**What reviewers complain about**

- 🐛 Doesn't send messages automatically
- 🐛 Notifications not loud enough
- 🐛 Doesn't work as expected
- 🐛 Doesn't recognize contacts
- 🐛 Doesn't send messages

**Reported bugs**

- Scheduled messages not sending
- Overwrites existing scheduled messages
- Doesn't work in latest update
- Doesn't recognize valid phone numbers

**Requested features**

- Send messages to multiple recipients
- Option to choose SMS over WhatsApp
- Automatic message sending without confirmation
- Recurring/repeating message scheduling
- Ability to edit scheduled date and time


### Simple Diary

[App page](https://appshunter.io/ios/app/simple-diary-daily-journal/id1388195923)

This app provides a simple and convenient way to journal your thoughts and experiences. It allows you to add images, secure your entries with a passcode, and customize the app's appearance. Data backup and search functions ensure your memories are safe and easily accessible.

**Highlights:** Insert images into entries, Secure passcode lock (Face ID/Touch ID), Customizable theme colors and app icon, Data backup to iTunes/PC and cloud services, Tag-based search for entries, Adjustable text font size and color, Daily reminder notifications

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium (Monthly) | $3.99 | per month |
| Premium (Annual) | $19.99 | per year |
| Premium Service (Lifetime) | $69.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 📷 Ability to add photos
- 🔒 Password protection
- 🗓️ Organized by calendar view
- 🔍 Effective search functionality

**What reviewers complain about**

- 🐛 Occasional crashes or freezes
- 📁 Limited photo upload capacity
- 💰 Paywall for some features
- 🔄 Inconvenient manual backup/restore process
- 🎨 Limited font and theme options in free version

**Reported bugs**

- Some characters not displaying properly
- Calendar dates not always accurate
- Deleted entries not recoverable

**Requested features**

- Automatic iCloud/Google Drive sync
- More font and theme customization options
- Video recording and embedding
- Ability to add tags or categories to entries
- One-tap access to previous day's entry


## Frequently asked questions

### Is Complement app free?

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

### Is Simple Diary free?

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

### Which has better reviews, Complement app or Simple Diary?

Simple Diary is rated higher. Complement app averages 4.7 out of 5 from 1K ratings, while Simple Diary averages 4.8 from 908 ratings.

### Do Complement app or Simple Diary have ads?

Both Complement app and Simple Diary show ads.

### Which is updated more often, Complement app or Simple Diary?

Complement app ships an update every 5 weeks, and Simple Diary every 2 months. Most recently, Complement app was updated on October 6, 2026 and Simple Diary on October 13, 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.*