Quietime vs Jotsum
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Quietime
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Quietime shows your days as one calm timeline: the calendars on your iPhone and your own events, in order, with nothing else in the way. TIMELINE Scroll through your days, past and future. Tap the date at the top to get back to today. Search titles and notes to find any event. DAY VIEW Swipe right to see the whole day on one screen. Free time between events is marked with its length, so you see at once where there is room. Tap a free stretch to add an event at that time. MONTH Swipe left for the month. Colored dots show the busy days. Tap a day to go to it. YEAR IN PIXELS See a year of one calendar as a grid of days, each shaded by how many events it holds. Swipe between calendars and choose how many events give a day full color. YOUR CALENDARS Shows events from iCloud, Google, Outlook and any other calendar on your iPhone, grouped by account. You choose which ones appear. EVENTS AND REMINDERS Create events with a title, time, notes and one of five colors. Repeat them daily, weekly, monthly or yearly. Add as many reminders as you need, from a week before to the moment it starts. WIDGETS Your next five days on the Home Screen, or today in the small widget. Track a special date and see the countdown in the app and the widget. FIVE THEMES Dark, Light, Evening Glow, Night Stars and Meadow. PRIVATE No account and no subscription. Your own events stay on your iPhone.
Jotsum
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Jotsum is a calculator you write in plain words. Type your math and notes on the left; the answers appear on the right, live, as you type β no equals key, no buttons, no fuss. Itβs the everyday calculations you actually do: splitting a bill, converting currencies at todayβs rate, working out a percentage off, adding up a trip budget, or checking how many days until a deadline. Name your values and reuse them down the page, and Jotsum keeps the whole sheet in sync. SYNCS WITH YOUR MAC Your calculations sync over iCloud, so the sheet you start on your Mac is on your iPhone β and the other way around. No account, no sign-in; it uses your own iCloud. WHAT IT DOES β’ Plain-language math with variables β name a number, reuse it anywhere β’ Live currency conversion (160+ currencies + Bitcoin/Ethereum, no API key, no login) β’ Units β length, mass, time, volume, data, temperature, area, speed β’ Percentages done the human way β β20% off 80β, β12 is what % of 60β β’ Dates & durations β β3 days + 5 hoursβ, βdays until christmasβ, time zones β’ Scientific functions β sqrt, sin/cos/tan, logs, exp, powers, plus pi, e, tau β’ Finance β compound interest and mortgage payments β’ Multiple notes, organised in a tidy list PRIVATE BY DESIGN Everything stays on your devices and your own iCloud. No account, no analytics, no tracking. Currency rates are the only network request, and the app works offline too. Light and dark, with a warm editorial look thatβs easy on the eyes all day. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Jotsum at Free against Quietime's $7.99. Jotsum also leads on device support (3 vs 1). On update cadence, ads, in-app purchases and iOS requirement 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
Jotsum is free to download; Quietime costs $7.99 up front. Quietime sells 1 one-off in-app purchase and Jotsum sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.
Quietime ships an update every 4 days, Jotsum every 5 days. Both last shipped on October 31, 2026.
| Parameter | Quietime | Jotsum |
|---|---|---|
| Price | $7.99 | Free β better |
| Update frequency | Every 4 days β better | Every 5 days |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPad, Mac β better |
| Requires iOS | 17.6 | 17.0 β better |
| Further details β not scored | ||
| Size | 3 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Kenneth Fagermo | Hrvoje Matosic |
In-app purchases
Quietime
- One time unlock$2.99
Jotsum
- Jotsum Pro14 Days trial$0.991 Month
- Jotsum Pro$29.00








