Comparison

ContactsList vs KeepDates

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

Head to head
About

ContactsList

Efficiently manage and search your contacts by various details like phone number, email, address, or URL. Organize contacts into groups and easily access birthday information with automatic age calculation.

Highlights
  • Extract contacts by 13 card items
  • Group contacts for organization
  • Search contacts by keyword
  • Create and edit contacts
  • Share contact information
  • Automatic age calculation from birthdays
  • Sync with iOS/OSX contacts
Read full description

In the whereabouts, you want to often search by phone number and the email of the partner whom I want to contact, the URL of the shop or hotel which I want to reserve quickly. you will search contact information efficiently to some extent, but know whether it is more convenient when you can extract in a card item of the contact information and do not do it in such a case if I group it beforehand. This application extract contacts by the item of the contact information card which 13 kinds amount to such as phone number, email, address, URL. In addition, with the list of contact information where a birthday is registered with contact information, you can refer to the date of the birthday and current age. This app is available in iOS 7 and later. - Contacts management in conjunction with the Contacts of iOS standard or the OSX standard is possible. - In addition to the calendar which you used to, you can check a schedule with the icon which you assigned to every event. - You can extract your contacts by the item on contact card as well as group. - You can extract your contacts by phone, email, link, such as birthday, in 13 kind of card item. - You can search for keyword, besides group or card item. - You can create new contact and edit selected contact. - You can share selected contact. - Calculate age automatically on the birthday enrolling in contact information and display it.

About

KeepDates

Features
Read full description

Your iPhone remembers birthdays. But important dates like anniversaries are easy to miss. KeepDates fixes that automatically. # What it does KeepDates finds the dates stored in your contacts: anniversaries, custom events, and more. It turns them into reminders you’ll actually see. It works quietly in the background and keeps everything up to date as your contacts change. # Why it’s useful * Never forget anniversaries, milestones, or important personal dates * See all upcoming dates in one simple list * Get reminders before they happen * Works automatically, with no manual setup # How it works * Scans your contacts for date fields * Lets you review and choose what to include * Syncs selected dates into a dedicated calendar * Keeps everything updated in the background # Key Features * Automatic contact date detection * Calendar sync with yearly recurring events * Optional reminders (day before by default) * Widgets for quick access to upcoming dates * Apple Watch app with complications * Two-column layout on iPhone Duo * Background sync, so it is always up to date * Works completely offline # Widgets * Small widget: next upcoming date * Medium widget: multiple upcoming dates * Lock screen widget: quick glance countdown # Apple Watch * Upcoming dates on your wrist, with contact photos * Complications for every watch face style * Tap a complication to open that date * Its own look-ahead window and birthday setting, separate from your iPhone * Keep the list flat, or group it by month or by person * Free, like the rest of KeepDates # iPhone Duo * Two columns on the larger screen: your list beside the date you opened * Open a contact and both columns move along, so the date you came from stays in view * KeepDates at a glance in the sidebar: your contacts, dates synced and hidden, and how they split by type # Privacy KeepDates is built to be simple and private: * No accounts * No cloud sync * No tracking * All data stays on your device # Premium (Optional) Unlock additional control and customization: * Smart reminders (multiple timings) * Mark each date Handled, with a checklist for every occurrence * More dates in widgets, plus large and extra large sizes with your next date featured * Contact Spotlight and Today widgets * Look-ahead window control * Pinned contacts * Defaults per category and per contact * Your own calendar name, event titles and calendar account * Advanced filtering and customization ### KeepDates is designed to feel like a missing system feature: simple, automatic, and out of the way.

Screenshots

ContactsList4 screens
KeepDates4 screens

Verdict

The call

The clearest difference is in-app purchases: ContactsList at none against KeepDates's 1. ContactsList also leads on iOS requirement (7.0 vs 26.0). KeepDates's advantage is update cadence (every 10 days vs every 4 months). On price, ads 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. KeepDates sells 1 one-off in-app purchase. ContactsList asks for nothing beyond the download.

UpkeepUpdate frequency

ContactsList ships an update every 4 months, KeepDates every 10 days. The most recent releases landed on October 19, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
ContactsList versus KeepDates: the parameters behind the verdict, then further details
ParameterContactsListKeepDates
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, Apple Watch
Requires iOS7.0 — better26.0
Further details — not scored
Size6 MB12 MB
Age rating17+4+
DeveloperTomohiko ShimizuZiga Dolar

In-app purchases

None

ContactsList

No in-app purchases

1 purchases

KeepDates

One-time1
  • Premium Unlock$3.99

Questions

Is ContactsList free?
ContactsList is free to download, with no in-app purchases.
Is KeepDates free?
KeepDates is free to download, with in-app purchases available.
Do ContactsList or KeepDates have ads?
Neither ContactsList nor KeepDates shows ads.
Which is updated more often, ContactsList or KeepDates?
ContactsList ships an update every 4 months, and KeepDates every 10 days. Most recently, ContactsList was updated on October 19, 2026 and KeepDates on October 28, 2026.

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