Intervallo is a compact date-offset and notes utility. The official description shows the current day together with the days reached after intervals chosen by the user. Thirty, forty-five and sixty days are starting defaults rather than a fixed system; intervals can be changed or added. The practical purpose is answering a recurring “in this many days” question without repeatedly counting through a calendar.
The likely audience includes someone checking payment terms, follow-up intervals or a warranty period while keeping a few reference notes nearby. It is not described as a full project scheduler or a legal deadline service. This is a First look based on the official listing. We have not tested its date arithmetic, widgets, synchronisation or behaviour across regional settings.
Based on official store information. We have not tested this app hands-on.
What it does
The core workflow is to choose an interval and read the resulting day relative to the current one. Existing intervals can be edited, additional values added and extras removed with a swipe. Use names or notes that make the purpose clear to you, especially if several similar intervals are consulted for different kinds of work.
Home Screen and Lock Screen widgets are described as showing the results without opening the app. That can reduce repeated navigation when the same interval is used throughout a day. Check the current widget presentation and refresh behaviour on the actual device rather than assuming a screenshot establishes when every displayed result updates.
The note layer includes individual colours or a solid appearance, in-place editing, pinning, drag-to-reorder and swipe-to-delete with Undo. Long notes fold to two lines and open with a tap. These features suggest a lightweight reference surface rather than a large document library. Keep the information needed for the next decision prominent instead of relying on colour alone to communicate an important distinction.
Ten colour themes include White and Dark, and the listed interface languages are Bulgarian and English. The description also says it works offline, without an account or tracking, and that data does not leave the device. Those are attributed statements; we have not audited storage or network activity.
Before you install
An interval result is only the answer to the counting rule implemented by the application. A contract, payment term or administrative requirement may define a deadline using business days, a particular starting point, holidays or another convention. The official description does not establish those specialised rules. Confirm the applicable rule independently before using a displayed result for a consequential obligation.
Keep a relative interval separate from a fixed commitment. A value calculated from the current day changes as the day changes; it is not automatically a reminder for an earlier decision. The listing does not establish task dependencies, recurring alerts, appointment booking or a shared team calendar. Do not infer those capabilities from the planner name.
Widget convenience also deserves a modest check. Read the value inside the app and on the widget when it matters, particularly after changing an interval or device settings. We have not measured refresh timing, time-zone transitions or handling of a device whose clock is wrong. A visible result is not proof that every context uses the intended reference day.
For notes, understand the available recovery behaviour before deleting important material. Undo is described, but the source does not establish a long-term archive or a comprehensive backup system. Keep a separate authoritative record when a note contains a contract condition or an obligation that must survive a lost device. A lightweight planning surface should not become the only copy merely because it is convenient.
Price and access
The linked US store entry offers a free download, while the description also says one purchase covers the app across the user's devices. The reviewed material does not fully explain that purchase boundary or provide a complete numeric price. Check current purchase disclosures and entitlement details rather than assuming all access is free or that a subscription is required.
The listing explicitly says the app is also available for Mac. That availability statement does not prove that notes or intervals synchronise automatically between devices. Confirm the current device requirements, purchase coverage and any supported data-transfer mechanism before planning a multi-device routine. We have not tested purchase restoration or cross-device continuity.
Our take
Intervallo's appeal is a deliberately small question answered repeatedly: what lies a chosen number of days ahead, alongside a few useful notes. Adjustable intervals and widgets make that purpose more concrete than the broad word planner. It may suit someone who needs quick reference rather than a complete calendar replacement.
Start with a familiar interval, compare the output independently and inspect how the widget presents it. Keep the relevant contract or appointment record as the authority for any specialised deadline rule. Our take remains provisional, because the listing describes the workflow but does not verify its arithmetic, refresh behaviour or recovery. The right reason to adopt it is a useful reduction in repeated checking, with the boundaries clearly understood.
Sources
App icon from the official store listing.
