Comparison

Datumprikker vs I'm In

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

Head to head
About

Datumprikker

Easily suggest dates and times for events, invite participants, and finalize details like location. This intuitive tool offers an event overview, pre-written messages, and location suggestions to streamline your planning process.

Highlights
  • Suggest dates and times
  • Invite participants
  • Set final date and location
  • Event overview
  • Pre-written messages
  • Location suggestions
  • Address book and groups
Features
Read full description

Datumprikker.nl is with more than 7 million unique users the most used and intuitivist planning tool of the Netherlands. In a few simple steps you can suggest dates and times, invite participants and set a final date and location for your event. Important features - Free account with easy-to- use event overview - Besides setting a date, event types such as inventorying participants (registration) and planning a schedule (roster) are also available - Handy event overview with all the information about the event - Pre-written messages you can send in a few clicks (reminder) - Relevant location suggestions like restaurants, cafés and amusement parks - Location search on the map of the Netherlands in themes (drinks, going out) - An address book for saving contact information and creating groups - Calendar feed linking to own personal agenda - Available in English Do you have questions or remarks? Please contact us via info@datumprikker.nl

About

I'm In

Easily plan gatherings with friends and family directly within your messages. Select dates, times, and photos, then let invitees RSVP. The app automatically suggests the best time based on responses.

Highlights
  • Plan events within Messages
  • Select cover photos
  • Set event location
  • Propose multiple dates/times
  • Automatic best time suggestion
  • Calendar integration (premium)
  • Export events to Calendar (premium)
Read full description

With the I'm In app you easily plan your next get together with friends and family - on iMessage! Planning Easily create an event. Select a cover photo and your availability. Send it to the people in your conversation. Responding Invitees can tap the message to RSVP to the event. Indicate your availability by selecting "Yes", "Maybe" or "No" for all the dates and times that you are invited for. Confirming Once invitees have RSVP'd, the initiator confirms the best suitable date and time, looking at everyone's availability. Features: - Plan your event completely without leaving Messages - Select an event cover photo from up to 10 handpicked photos - Enter an (optional) event location - Select multiple dates and times for your event - Automatic suggestion for the best date and time for your event based on all the RSVP's Premium features: - Calendar integration: See existing events and appointments from the Calendar app when you create a new event or RSVP - Export a confirmed event to your device's Calendar - Choose from a wider range of cover photos to make events more personal. Select the one you like most out of 30 hand picked photos. ---- Note that because I'm In is only available on iMessage, there is no app icon on the home screen. You can find the app in Messages.

Screenshots

Datumprikker4 screens
I'm In4 screens

Verdict

The call

The clearest difference is review sentiment: Datumprikker at 50% against I'm In's 5%. Datumprikker also leads on rating (4.1 vs 1.0). I'm In's advantage is ads (none vs shown) and update cadence (fortnightly vs every 5 weeks). On price, ratings volume, in-app purchases and monetization model 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. Datumprikker sells 1 one-off in-app purchase and I'm In sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Datumprikker holds the better App Store score, 4.1 against 1.0. Both are backed by a comparable volume of ratings — 10 and 7 respectively. Written reviews point the same way: 50% of Datumprikker's written reviews are positive against 5% of I'm In's.

UpkeepUpdate frequency

Datumprikker ships an update every 5 weeks, I'm In fortnightly. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Datumprikker versus I'm In: the parameters behind the verdict, then further details
ParameterDatumprikkerI'm In
PriceFreeFree
Rating4.1 (10 ratings) — better1.0 (7 ratings)
Positive reviews50.0% of reviews — better5.0% of reviews
Number of ratings10 — better7
Update frequencyEvery 5 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS11.010.0 — better
Further details — not scored
Size57 MB27 MB
Age rating4+4+
DeveloperKompas Meet BV2Geeks

Customer experience

Datumprikker

All ratings10 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

I'm In

All ratings8 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews20 reviews
Positive5.0%
Neutral15.0%
Negative80.0%

In-app purchases

1 purchases

Datumprikker

One-time1
  • Remove the ads$1.99
1 purchases

I'm In

One-time1
  • I'm In Premium$3.99

Questions

Is Datumprikker free?
Datumprikker is free to download, with in-app purchases available.
Is I'm In free?
I'm In is free to download, with in-app purchases available.
Which has better reviews, Datumprikker or I'm In?
Datumprikker is rated higher. Datumprikker averages 4.1 out of 5 from 10 ratings, while I'm In averages 1.0 from 7 ratings.
Do Datumprikker or I'm In have ads?
Datumprikker shows ads; I'm In does not.
Which is updated more often, Datumprikker or I'm In?
Datumprikker ships an update every 5 weeks, and I'm In fortnightly. Most recently, Datumprikker was updated on October 23, 2026 and I'm In on October 24, 2026.

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