Comparison

ChronoRate vs Doupin

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

Head to head
About

ChronoRate

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ChronoRate is a precision toolkit for mechanical watch enthusiasts who want to measure accuracy, monitor performance, record watch details, and manage their collection in one place. Use atomic clock synchronization to record time deviation with confidence, then track each watch over time with clear trends and historical records. For deeper analysis, ChronoRate includes timegrapher tools to help you evaluate rate, beat error, amplitude, and overall movement performance. ChronoRate also helps you keep a complete record of each watch, including movement caliber, lift angle, warranty dates, and service or oil maintenance history. The watch overview page brings key details together so you can quickly review the full profile of every watch in your collection. Whether you are checking a newly purchased watch, comparing positions, following long-term changes in daily rate, or maintaining service records, ChronoRate helps you build a clearer picture of how your watches are performing over time. Features: • Measure watch accuracy with atomic clock sync • Run timegrapher tests on your device • Evaluate rate, beat error, amplitude, and movement performance • Track historical performance and daily trends • Manage your watch collection and individual records • Record movement caliber, lift angle, warranty dates, and service history • View a complete watch information overview page • Check dynamic mechanical moon phase information • View detailed statistics and performance insights • Organize measurements by watch and timing round ChronoRate is designed for collectors, hobbyists, and enthusiasts who want a practical and focused tool for understanding, recording, and maintaining mechanical watch performance.

About

Doupin

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The companion app for the Monokaro Digital Fuse Bead Board. Connect to your bead board via Bluetooth to import bead patterns and control the designs displayed on the board.

Screenshots

ChronoRate4 screens
Doupin4 screens

Verdict

The call

The clearest difference is in-app purchases: Doupin at none against ChronoRate's 1. Doupin also leads on update cadence (every 2 days vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. ChronoRate sells 1 one-off in-app purchase. Doupin asks for nothing beyond the download.

UpkeepUpdate frequency

ChronoRate ships an update every 3 weeks, Doupin every 2 days. Both last shipped on October 31, 2026.

Scorecard2 real differences Ā· 4 level
ChronoRate versus Doupin: the parameters behind the verdict, then further details
ParameterChronoRateDoupin
PriceFreeFree
Update frequencyEvery 3 weeksEvery 2 days — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhoneiPhone, iPad — better
Requires iOS17.016.6 — better
Further details — not scored
Size7 MB81 MB
Age rating4+4+
DeveloperChieh Chung TsouShenzhen monokaro Technology CO., LTD

In-app purchases

1 purchases

ChronoRate

One-time1
  • Pro Upgrade$7.99
None

Doupin

No in-app purchases

Questions

Is ChronoRate free?
ChronoRate is free to download, with in-app purchases available.
Is Doupin free?
Doupin is free to download, with no in-app purchases.
Do ChronoRate or Doupin have ads?
Neither ChronoRate nor Doupin shows ads.
Which is updated more often, ChronoRate or Doupin?
ChronoRate ships an update every 3 weeks, and Doupin every 2 days. Most recently, ChronoRate was updated on October 31, 2026 and Doupin on October 31, 2026.

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