Comparison

ChronoLog vs FixCCC

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

Head to head
About

ChronoLog

This app provides professional-grade tools to track the accuracy of mechanical watches. It offers audio timegraphing, photo offset measurement, and tap timing, along with detailed analytics and atomic time synchronization for collectors and enthusiasts.

Highlights
  • Audio timegrapher for rate, beat error, and amplitude
  • Photo offset measurement against atomic time
  • Tap timing for quick offset logging
  • Track accuracy trends over time
  • Atomic time synchronization
  • Detailed performance graphs and analytics
  • Manage and organize watch collection
Features
Read full description

ChronoLog — Timegrapher, Watch Accuracy Tracker & Collection Log Turn your iPhone into a timegrapher. ChronoLog listens to your mechanical watch through the microphone and reads its rate in seconds per day — then keeps measuring over days and weeks, on your wrist, so you know how the watch really runs, not just how it ran on the bench. No subscription. No account. One-time purchase unlocks everything. AUDIO TIMEGRAPHER • Rate in seconds per day from your watch's tick, in about 30 seconds — the same number a timegrapher gives you. • Every reading carries a confidence score, so you know when to trust it and when to record again. • Movements from 18,000 to 36,000 bph, detected automatically or set per watch. ACCURACY OVER TIME — THE PART A TIMEGRAPHER CAN'T DO A bench reading captures one moment. ChronoLog logs every measurement into timing runs and charts the daily rate as you actually wear the watch: watch it drift, catch magnetization, and see when it needs regulation or a service — before it costs you minutes a week. • Photo offset: photograph the dial against atomic time for the most precise manual reading. • Tap timing: tap on the second for a quick log with any watch, quartz included. • Tag measurements by position, temperature or activity to learn what moves the rate. ACCURACY REPORT — NEW A health score for every watch, timekeeping trends per run, and an anonymous comparison against the same models worldwide — find out whether your Submariner or your SKX keeps time better than most. Share a private report link that expires on its own. ATOMIC TIME Every measurement is referenced to NTP atomic time, not your phone's clock. Use the live atomic clock, with an optional seconds tick, to set your watches to the second. YOUR COLLECTION, ORGANISED • Unlimited watches with photos, brand, model, calibre, serial number, service history and notes. • Wear log: swipe to mark what you're wearing, then see your rotation as a calendar, timeline and stats. • Moon phase: last and next full moon with the days between — set a moonphase complication in seconds. • Full backup and restore. CSV export for your records or your watchmaker. WHY COLLECTORS CHOOSE CHRONOLOG A timegrapher is for adjusting a watch. ChronoLog is for knowing it — clean, fast, ad-free, built by a collector in Boulder, Colorado, who reads and answers every review. Download ChronoLog and find out how your watches really run.

About

FixCCC

Features
Read full description

FixCCC is a mobile-first platform that helps communities capture, prioritize, and coordinate maintenance work and volunteer participation in one place. Benefits: No more lost emails, clipboard sign-ups, or guesswork — issues are reported with photos or voice, AI instantly assesses severity and required tools/materials, and tasks are routed to the right people with automatic notifications. Work parties, RSVPs, and volunteer hours are tracked alongside the tasks themselves, so nothing falls through the cracks. Who it's for: Community-run organizations like preschools, co-ops, gardens, and clubs that rely on member volunteers for upkeep — especially co-chairs coordinating the work, and members who want a simple way to report issues and log their participation. Key features: Report issues with photos or voice — members capture problems from their phone; voice notes are transcribed automatically. AI task assessment — severity, urgency, tools, materials, and category are suggested instantly. Subrole-based routing & notifications — tasks tagged for gardening, long-term projects, or emergencies alert the right volunteers via in-app, email, and push. Work party scheduling & RSVPs — plan sessions, track attendance, and auto-log volunteer hours per cohort. Member directory & cohort management — bulk-import families, assign roles/skills, and track participation over time. Recurring tasks — schedule repeating maintenance with automatic due dates. Task merging & bulk import — consolidate duplicates and import tasks from spreadsheets.

Screenshots

ChronoLog4 screens
FixCCC4 screens

Verdict

The call

The clearest difference is in-app purchases: FixCCC at none against ChronoLog's 2. On price, ads, 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. ChronoLog sells 2 one-off in-app purchases. FixCCC asks for nothing beyond the download.

Scorecard1 real difference · 9 level
ChronoLog versus FixCCC: the parameters behind the verdict, then further details
ParameterChronoLogFixCCC
PriceFreeFree
Rating4.6 (231 ratings) — better—
Positive reviews85.0% of reviews—
Number of ratings231 — better—
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaid—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size50 MB189 MB
Age rating4+4+
Developertyler woodZvezdelina Naydenova

In-app purchases

2 purchases

ChronoLog

One-time2
  • Premium$5.99
  • Premium$6.99
None

FixCCC

No in-app purchases

Questions

Is ChronoLog free?
ChronoLog is free to download, with in-app purchases available.
Is FixCCC free?
FixCCC is free to download, with no in-app purchases.
Do ChronoLog or FixCCC have ads?
Neither ChronoLog nor FixCCC shows ads.

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