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Best apps like Pendulum - Pen Pal Tracker

10+ similar apps compared and reviewed

4.2 avg rating
10 free apps
Updated September 2026
Pendulum - Pen Pal Tracker
🔧 Utilities
📊 Productivity

Looking for something like Pendulum? We've analyzed 10+ similar apps to help you find the best alternative. Each app is compared by ratings, features, and real user reviews, so you can make the right choice.

Top Alternatives to Pendulum

Planner for AC: NH#1

Planner for AC: NH by Carolin Svensson

Companion app for AC: NH
Editor's Choice
🔧 Utilities
4.8😊(1.7K ratings)
FreeIn-App Purchases
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Planner for AC: NH screenshot 5
Planner for AC: NH screenshot 6

Manage your island life and collections with this companion app. Track game events, villager birthdays, and create custom to-do lists. It supports multiple islands, cloud backups, and offers guides for in-game items and visitors.

What We Love

  • 💻 Comprehensive app with many features
  • 👍 Easy to use and navigate
  • 🎨 Cute and appealing design
  • 🔍 Helpful for tracking progress and collections
  • 🗓️ Useful for planning and organizing
  • ⭐ Highly recommended by users

Room to Improve

  • 🐛 Occasional bugs and glitches
  • 🗓️ Issues with time/date tracking and sync
  • 🗃️ Missing some items/villagers
  • 🔄 Data loss/reset issues after updates
Portable Inventory#2

Portable Inventory by Chengdu Wangqi03 Technology Ltd.

Know your stuff count
Strong Contender
🔧 Utilities
4.1😊(220 ratings)
FreeIn-App Purchases
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Portable Inventory screenshot 5

Easily track the quantity of any items, from personal belongings to business inventory. Set warning levels and organize items into groups for quick visual identification. Monitor item changes and view detailed statistics and rankings.

What We Love

  • 👍 Simple and easy to use
  • 🚀 Efficient inventory tracking
  • 💡 Customizable color coding
  • 👍 Clean and intuitive UI

Room to Improve

  • 🐛 Occasional crashes and data loss
  • 🔀 Difficulty in reorganizing inventory
  • 💡 Limited color options
  • 🔀 Issues with syncing across devices
Nielsen Mobile App#3

Nielsen Mobile App by The Nielsen Company

Worth Considering
🔧 Utilities
4.1😊(539 ratings)
Free
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This app allows individuals participating in Nielsen's media research to contribute to understanding internet and mobile device usage. By installing the app, users help measure the digital landscape and can earn rewards for their participation. An invitation and prior registration are required to use its features.

What We Love

  • 🚀 Easy to use
  • 👍 Set and forget
  • 💰 Earn rewards for doing nothing
  • 🎁 Wide range of rewards
  • 📈 Seamless operation
  • 🤑 Passive income

Room to Improve

  • 🔌 Drains battery
  • 🔒 Privacy concerns
  • 🐛 Frequent disconnections
  • ⚠️ Compatibility issues with certain devices/carriers
  • 🤔 Slow points accumulation

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