Comparison

Billey vs Kotekan

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

Head to head
About

Billey

Easily manage all your recurring payments in one place. This tool helps you track subscriptions to avoid unwanted charges and stay organized.

Highlights
  • Subscription tracking
  • Payment management
  • Avoid unwanted charges
  • Stay organized
  • Simple interface
Features
Read full description

Billey is a dead simple, handy tool to keep track of your subscriptions and stay relaxed.

About

Kotekan

Easily track and manage all your recurring expenses and subscriptions in one place. Get timely reminders for upcoming payments and visualize your spending with insightful reports and graphs. Organize your finances with custom labels and service icons.

Highlights
  • Easy subscription input
  • Reminder notifications
  • Service icon customization
  • Flexible payment frequencies
  • Categorization with labels
  • Analysis reports and graphs
  • Home screen widget
Features
Read full description

【Let's manage your subscriptions and fixed costs with Kotekan!】 Kotekan is a service that allows you to easily manage the fixed costs of your daily life and the subscriptions. Kotekan gives you the best experience in subscriptions/fixed costs management than any other app! It's very simple and easy to use, just start Kotekan app and register your data. By registering multiple data, the total amount and percentage will be displayed in an easy-to-read graph. You can also categorize your subscriptions by adding a label to each piece of data. 【App Features】 The application is very simple to use and can be used by anyone without stress. ◉Easily input and register your subscriptions Open app, input the name of service, fee, frequency of paying, and first bill date to register your sub. You can also enter the URL of the service, write a note, or attach a photo or screenshot, so you can avoid forgetting what it was about. ◉Reminder Notification Kotekan will send you a reminder a few days before your next renewal date (payment date) so that you don't forget your payment date. We will also remind you one day before and on the day of your trial subscription. ◉Maintain clarity by registering service icons and the perfect icon for your registration details. You can choose from approximately 100 different icons to manage your subscriptions. Kotekan will also suggest the perfect icon when you type in the name of a service. ◉Flexible payment frequencies You can choose monthly, annual, or semi-annual frequency to register your subscriptions. so you don't have to calculate and convert monthly or annual amounts yourself. ◉Labels for categolizing your subscriptions. Data can be labeled for easy sorting. You can also check the analysis data for each label. (e.g. Hobbies, Beauty, Games, Work, etc...) ◉Analysis Report You can check the total amount and percentage, and see a graph showing the amount you plan to pay this year based on the data you have registered. You can also view analysis data by label. ◉Currency support Dollars and yen can be used for registration. ◉Payment history You can view your payment history for the past 12 months based on the data you have registered. ◉ Home Widget You can place Kotekan widget on your home screen, which allows you to quickly check your next payment due of your subs. ◉Sign up/Sign in Kotekan can be used without registering, but you can securely store and restore your data by linking your account with Kotekan in case you change your smartphone model. *You will need to use your Apple or Google account to link your account. ◉Japanese and English language support. ◉Dark mode is supported. 【Kotekan Premium】 Kotekan Premium is a premium service that provide you with fantastic features to make managing subscriptions more convenient. If you subscribe to Kotekan Premium, you'll get below features: - Unlimited subscriptions. - Unlimited labels. - Unlimited reminders. - Home Widget - No more ads. - Early access to upcoming great features. Regarding its price, it's almost the same as the price of a cup of coffee every month!! For more detail, please visit "Kotekan Premium" screen from "Settings" screen. You also have a 2-week free trial period, which you don't have to pay a bill if you aren't satisfied with Kotekan Premium before the trial period ends. (*Free trial for eligible new members only / The trial period might be changed witout any announcement.)

Screenshots

Billey4 screens
Kotekan4 screens

Verdict

The call

The clearest difference is review sentiment: Kotekan at 89% against Billey's 30%. Kotekan also leads on rating (5.0 vs 4.5) and update cadence (every 2 weeks vs every 3 months). Billey's advantage is in-app purchases (none vs 2) and ads (none vs shown). On price, monetization model 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. Kotekan sells 2 in-app purchases, starting at $0.99 per month. Billey asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Kotekan holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Billey has 13 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 30% of Billey's written reviews are positive against 89% of Kotekan's.

UpkeepUpdate frequency

Billey ships an update every 3 months, Kotekan every 2 weeks. The most recent releases landed on September 25, 2026 and September 21, 2026 respectively.

Scorecard7 real differences · 3 level
Billey versus Kotekan: the parameters behind the verdict, then further details
ParameterBilleyKotekan
PriceFreeFree
Rating4.5 (13 ratings)5.0 (2 ratings) — better
Positive reviews30.0% of reviews88.9% of reviews — better
Number of ratings13 — better2
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS9.0 — better14.0
Further details — not scored
Size90 MB62 MB
Age rating4+4+
DeveloperDario IelardiSuguru Kishimoto

Customer experience

Billey

All ratings13 ratings
Positive92.3%
Neutral0.0%
Negative7.7%
Written reviews10 reviews
Positive30.0%
Neutral30.0%
Negative40.0%

Kotekan

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive88.9%
Neutral11.1%
Negative0.0%

In-app purchases

None

Billey

No in-app purchases

2 purchases

Kotekan

Subscriptions2
  • Monthly Subscription14 Days trial$0.991 Month
  • Annual Subscription14 Days trial$9.991 Year

Questions

Is Billey free?
Billey is free to download, with no in-app purchases.
Is Kotekan free?
Kotekan is free to download, with in-app purchases available.
Which has better reviews, Billey or Kotekan?
Kotekan is rated higher. Billey averages 4.5 out of 5 from 13 ratings, while Kotekan averages 5.0 from 2 ratings.
Do Billey or Kotekan have ads?
Kotekan shows ads; Billey does not.
Which is updated more often, Billey or Kotekan?
Billey ships an update every 3 months, and Kotekan every 2 weeks. Most recently, Billey was updated on September 25, 2026 and Kotekan on September 21, 2026.

Other comparisons