Comparison

Precise Timestamp vs TapDiary

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

Head to head
About

Precise Timestamp

Capture events with unparalleled accuracy, down to the tenth of a second. Synchronize with NTP servers for precise timekeeping and view detailed sync information. Organize events with descriptions and toggle between absolute and relative time displays.

Highlights
  • NTP server synchronization
  • Tenth-of-a-second accuracy
  • Absolute and relative time modes
  • Event descriptions
  • Event sorting and grouping
  • Sync time details
Features
Read full description

Precise Timestamp: Capture Every Moment Precise Timestamp is your go-to app for capturing the exact time of events down to the tenth of a second. Ensure every moment is pinpointed with utmost accuracy. Features: Unrivaled Timekeeping Accuracy - Achieve high-precision time, synchronized with NTP servers. - Gain complete transparency with details on the last sync time, offset, and round trip time. Dynamic Display Modes: - Effortlessly toggle between Absolute and Relative time displays with a simple click. - Your events, neatly sorted and grouped by dates. - Add rich descriptions to your events, ensuring each stands out. Seamless Event Management: - Benefit from a user-friendly bottom bar for quick toggling between editing and deletion.

About

TapDiary

Effortlessly log time and counts with a single tap. Track anything from workouts and habits to medication and pet care. Access your data instantly via widgets, Apple Watch, and offline functionality, with options for export and iCloud sync.

Highlights
  • One-tap logging
  • Customizable buttons
  • Lock screen and home screen widgets
  • Apple Watch integration
  • Timeline view
  • Statistics and patterns
  • CSV export
Features
Read full description

The fastest one-tap tracker for time and count. TapDiary. Workouts, medication, pain, habits, pet care. Log anything in just one second with a single button tap. No sign-up. No internet required. And now on Apple Watch. "Why is logging the time so complicated?" TapDiary strips away the complexity and focuses on what tracking should be: a time tracker that just works. When pain hits, when you exercise, when you take a pill, when you eat. One tap and the current time and count are saved instantly. 【One-Tap Logging】 Tracking should be fast. Just 1 second to open the app and tap a button. No notebooks, no pens, no scrolling through notes apps to type the time. No complicated forms, no item pickers. Just one tap. 【Custom Buttons For Anything】 Create a button for whatever you want to track. - Pain, symptoms, and medication (headaches, period pain, pills, supplements, …) - Workout routines and meals (home workout, gym, running, snacks, …) - Your dog or cat: pee, vomit, food - Baby care: feeding, diapers, naps, formula - Habits you want to change (late-night snacking, drinking, smoking, caffeine, …) 【Lock Screen & Home Screen Widgets】 No need to even open the app. Put your buttons on the Lock Screen or Home Screen, and one tap on the widget records instantly. Your most-used buttons, always within reach. 【Apple Watch】 Now record right from your wrist. When pulling out your iPhone is a hassle, one tap on your watch is all it takes. Put your favorite buttons on the watch face to record straight from the clock screen, and check today's records at a glance. Everything syncs with your iPhone automatically via iCloud. 【Timeline】 See every record for a date at a glance. Tap any entry to edit the time or add a memo. Swipe to delete. Yesterday, last week, last month. Jump back to any past record any time. 【Statistics & Patterns】 The records you collect become patterns. View distribution by hour and weekday, daily / weekly / monthly. "When do my headaches usually hit?" "Which day do I work out the most?" Let the data answer. 【Memo & Search】 - Memo: leave a short note on any record ("bad headache today", "30 min shoulder day"). - Search: find past records by keyword in seconds. 【CSV Export】 Export your data as a CSV file and use it however you like. Excel, Google Sheets, sharing with your doctor. It's all your data. 【Switch From Another App】 Already tracking with another app? With a CSV file, you can bring everything into TapDiary in one go. Keep your existing records. No fresh start needed. 【iCloud Backup & Sync】 Keep your records safe in iCloud, synced automatically across iPhone, iPad, and Apple Watch. Delete the app or switch to a new device, and your records come with you. 【Works 100% Offline】 Every feature works without an internet connection. On a plane, hiking, in the subway, traveling abroad. Your tracking never stops. 【Your Privacy, Protected】 Your health records and personal life are precious. No sign-up, no login, ever. All data stays only on your devices and in your own iCloud account — nothing is ever sent to our servers. 【Use TapDiary For】 - Health journal: pain, headaches, periods, allergies. Walk into your doctor's office prepared. - Medication & supplements: log when you took them to avoid double-dosing. - Workout log: "upper body", "cardio", "stretching". Make a button for anything and count. - Habit tracker: quit smoking, cut alcohol, drink more water. Small habits, big changes. - Diet log: meals, snacks, late-night eating. See your patterns clearly. - Pet care: walks, feeding, potty, medication. - Baby care: feeding, diapers, naps, formula. Essential for newborn care. TapDiary is a time tracker, tally counter, habit tracker, and health journal. All in one of the simplest tracking apps you'll find. Download TapDiary now and tap your time, lightly. Terms of Use: https://tapdiary.app/en/terms

Screenshots

Precise Timestamp4 screens
TapDiary4 screens

Verdict

The call

The clearest difference is in-app purchases: Precise Timestamp at none against TapDiary's 2. Precise Timestamp also leads on ads (none vs shown) and review sentiment (100% vs 89%). TapDiary's advantage is update cadence (every 5 days vs every 5 weeks). On price and device support 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. TapDiary sells 2 in-app purchases, starting at $0.99 per month. Precise Timestamp asks for nothing beyond the download.

UpkeepUpdate frequency

Precise Timestamp ships an update every 5 weeks, TapDiary every 5 days. The most recent releases landed on November 7, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Precise Timestamp versus TapDiary: the parameters behind the verdict, then further details
ParameterPrecise TimestampTapDiary
PriceFreeFree
Rating5.0 (9 ratings) — better—
Positive reviews100.0% of reviews — better88.9% of reviews
Number of ratings9 — better—
Update frequencyEvery 5 weeksEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, Apple Watch
Requires iOS13.0 — better17.0
Further details — not scored
Size19 MB33 MB
Age rating4+4+
DeveloperChris GillinSangkwun Kang

Customer experience

Precise Timestamp

All ratings7 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews5 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

TapDiary

Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

In-app purchases

None

Precise Timestamp

No in-app purchases

2 purchases

TapDiary

Subscriptions1
  • Premium Monthly$0.991 Month
One-time1
  • TapDiary Premium$12.99

Questions

Is Precise Timestamp free?
Precise Timestamp is free to download, with no in-app purchases.
Is TapDiary free?
TapDiary is free to download, with in-app purchases available.
Do Precise Timestamp or TapDiary have ads?
TapDiary shows ads; Precise Timestamp does not.
Which is updated more often, Precise Timestamp or TapDiary?
Precise Timestamp ships an update every 5 weeks, and TapDiary every 5 days. Most recently, Precise Timestamp was updated on November 7, 2026 and TapDiary on October 30, 2026.

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