Comparison

Bound vs Calibrate

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Bound

Features
Read full description

Bound is a powerful and efficient tool for event and deadline management. Its elegant and intuitive interface makes it easy to create and manage deadlines, while its customisable features allow you to tailor it to your preferences. Bound offers useful features like long-pressing deadlines for quick access to options like editing, deleting, or pinning tasks to the top of your list. The Shake device option is also handy for clearing schedules or removing completed tasks. The app's main focus is on deadline management, where you can easily create deadlines with a name, date, and time, and a symbol to make it stand out. Bound's computed property for time left calculates the remaining time until the deadline based on the current date and time, and schedules notifications to remind you of approaching deadlines. The notification system is robust and customisable, allowing you to receive notifications based on your preferences, whether it be approaching deadlines, due deadlines, or both. Let's just say - Bound is a must-have productivity tool for anyone looking to stay organised and meet important events and deadlines.

About

Calibrate

Features
Read full description

Calibrate: Time Block Planner Plan your time. Track what actually happens. See the difference. Calibrate is a focused time-blocking app that helps you understand where your time really goes. Schedule your day, run your sessions, and review the gap between intention and reality. Most productivity apps help you plan. Calibrate helps you measure, reflect, and improve β€” week after week, and now across the year. Whether you’re studying, building projects, learning a language, or trying to create better daily structure, Calibrate gives you a simple system to plan your time, track what actually happens, and learn from the difference Plan with clarity Create time blocks for what matters most. Design a realistic day around your priorities β€” work, learning, focus sessions, rest. Track effortlessly Start a block, stay focused, and let Calibrate quietly log what you really do. No clutter. No noise. Just clean, intentional tracking. Reflect meaningfully See how your days and weeks actually unfold. Discover patterns. Notice drift. Reinforce what’s working. Build a lasting rhythm Calibrate isn’t about perfect days. It’s about building consistency over time β€” and shaping a routine that fits your real life. Calibrate Pro β€” go deeper with your time Upgrade to Calibrate Pro to unlock long-term history and deeper reflection tools. Explore how your time evolves across weeks and months, spot real trends, and make better long-term adjustments. Calibrate is built for people who care about how they spend their time β€” and want a simple, thoughtful way to improve it. Plan less. Understand more. Build a rhythm that lasts. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bound4 screens
Calibrate4 screens

Verdict

The call

The clearest difference is in-app purchases: Bound at none against Calibrate's 1. On price, update cadence, ads and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Calibrate sells 1 one-off in-app purchase. Bound asks for nothing beyond the download.

UpkeepUpdate frequency

Bound ships an update every 2 weeks, Calibrate fortnightly. Both last shipped on October 25, 2026.

Scorecard1 real difference Β· 5 level
Bound versus Calibrate: the parameters behind the verdict, then further details
ParameterBoundCalibrate
PriceFreeFree
Update frequencyEvery 2 weeks β€” betterFortnightly
AdsNoNo
In-app purchasesNo β€” betterYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 β€” better17.6
Further details β€” not scored
Size1 MB4 MB
Age rating4+4+
DeveloperRobin NaghshbandiWarren Peters

In-app purchases

None

Bound

No in-app purchases

1 purchases

Calibrate

One-time1
  • Calibrate Pro β€” Lifetime$9.99

Questions

Is Bound free?
Bound is free to download, with no in-app purchases.
Is Calibrate free?
Calibrate is free to download, with in-app purchases available.
Do Bound or Calibrate have ads?
Neither Bound nor Calibrate shows ads.
Which is updated more often, Bound or Calibrate?
Bound ships an update every 2 weeks, and Calibrate fortnightly. Most recently, Bound was updated on October 25, 2026 and Calibrate on October 25, 2026.

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