Comparison

Time Tracker & Stopwatch vs Letter Explainer

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

Head to head
About

Time Tracker & Stopwatch

Features
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Where does your time actually go? Track work hours, study sessions, workouts and personal projects with a one-tap stopwatch. Every session is saved automatically, so you can review your time, spot patterns and see your progress in clear charts. Time Tracker & Stopwatch combines activity logging, weekly goals and a customizable focus timer for work-and-break cycles. Organize your activities, build consistent routines and keep your time data in one place. Get started for free; upgrade to PRO for multiple simultaneous timers and advanced controls. TRACK ANYTHING, YOUR WAY - Unlimited activities, organized into categories, groups and tags - Start, pause, resume and stop with one tap - Run more than one timer at once (PRO) - Automation rules that start, stop or switch a timer for you (PRO) A COMPLETE HISTORY - Every session is saved automatically: start, end, duration and notes - Edit any session afterward, or continue one you stopped by mistake - Deleted sessions go to a Trash you can restore from - Rate how a session felt right after you stop it, if you want to STATISTICS AND GOALS - Charts by day, week, month or any custom range, per category or tag - A donut chart, bar charts, a heatmap and a mood trend - Weekly goals for the activities that matter, with streaks to keep you going A DEDICATED FOCUS TIMER - Work and break cycles you control: length, count, and what happens next - Eleven sound cues, ticking, and haptic alerts, or complete silence - Its own Live Activity and Lock Screen presence while a cycle runs ALWAYS WITHIN REACH - Live Activities and Lock Screen widgets for the timer and the Focus Timer - Home Screen widgets for your favorite activities, and a Control Center toggle - Start a timer, start a focus session or log time with Siri and Shortcuts YOUR DATA, YOUR BACKUP - Back up everything to a file and restore it on any device - Export your history as a CSV file for a spreadsheet BUILT FOR IPHONE AND IPAD - Light and dark appearance, twenty color themes, full VoiceOver support - No account required FREE vs PRO Time Tracker & Stopwatch is free to use: one timer at a time, up to ten categories and ten tags, full history, statistics, goals and the Focus Timer, with ads. PRO removes the ads and unlocks running several timers together, unlimited categories and tags, your own groups and automation rules - as a one-time purchase or a subscription. A cheaper option to just remove the ads is also available. Download Time Tracker & Stopwatch and start tracking where your time actually goes. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Letter Explainer

Features
Read full description

Got an official letter and only understand half of it? Postklar explains it in plain words - in your language. HOW IT WORKS • Take a photo of the letter or open a PDF • Postklar reads it and explains it in 2-3 simple sentences • You see right away what to do, by when, and how much WHAT POSTKLAR DOES • Finds deadlines - even in the legal notice - and adds them to your calendar • Copy amounts, IBANs and reference numbers with one tap • Every number is checked against the letter; anything uncertain is flagged • Ask questions about the letter: “What happens if I don’t pay?” • Draft a reply: objection, payment plan, extension • Tells you when to get professional help - with links to free advice services YOUR DIGITAL FILING CABINET Every letter is filed automatically by sender: tax office, job centre, health insurer, landlord… Searchable, exportable as PDF and synced across your devices with iCloud. IN YOUR LANGUAGE Explanations in English, German, Russian, Ukrainian, Arabic, Turkish, Polish and Spanish. PRIVACY • Your letters are never stored on our servers and never used for AI training • Private mode: analysis only on your iPhone • No account, no email needed PRICING 3 letters free. Then Postklar Pro (monthly or yearly, up to 6 family members) or a pack of 5 letters. Postklar explains letters; it is not legal advice. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Time Tracker & Stopwatch4 screens
Letter Explainer4 screens

Verdict

The call

The clearest difference is ads: Letter Explainer at none against Time Tracker & Stopwatch's shown. Letter Explainer also leads on update cadence (every 5 days vs every 3 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Time Tracker & Stopwatch sells 4 in-app purchases, starting at $3.99 per 6 months and Letter Explainer sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Time Tracker & Stopwatch ships an update every 3 weeks, Letter Explainer every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

Scorecard2 real differences · 4 level
Time Tracker & Stopwatch versus Letter Explainer: the parameters behind the verdict, then further details
ParameterTime Tracker & StopwatchLetter Explainer
PriceFreeFree
Update frequencyEvery 3 weeksEvery 5 days — better
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS18.017.0 — better
Further details — not scored
Size28 MB22 MB
Age rating4+4+
DeveloperJakub FlisinskiArmen Ter-Oganezov

In-app purchases

4 purchases

Time Tracker & Stopwatch

Subscriptions2
  • PRO version$3.996 Months
  • PRO version$6.991 Year
One-time2
  • No ads$5.99
  • PRO version$17.99
3 purchases

Letter Explainer

Subscriptions2
  • Postklar Pro Monthly$3.991 Month
  • Postklar Pro Yearly7 Days trial$24.991 Year
One-time1
  • 5 Scans$2.99

Questions

Is Time Tracker & Stopwatch free?
Time Tracker & Stopwatch is free to download, with in-app purchases available.
Is Letter Explainer free?
Letter Explainer is free to download, with in-app purchases available.
Do Time Tracker & Stopwatch or Letter Explainer have ads?
Time Tracker & Stopwatch shows ads; Letter Explainer does not.
Which is updated more often, Time Tracker & Stopwatch or Letter Explainer?
Time Tracker & Stopwatch ships an update every 3 weeks, and Letter Explainer every 5 days. Most recently, Time Tracker & Stopwatch was updated on October 31, 2026 and Letter Explainer on November 6, 2026.

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