Comparison

PostNL vs RentSlam

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

Head to head
About

PostNL

Track and send packages with ease. Get a complete overview of items in transit and find nearby service points. Activate My Mail for a view of incoming mail (Netherlands only). Receive real-time status updates via notifications and a home screen widget.

Highlights
  • Track packages
  • Send packages
  • Find PostNL points
  • My Mail overview
  • Status notifications
  • Home screen widget
  • Digital stamps
Features
Read full description

Easily track packages with the PostNL app Track and send your packages with the PostNL app. In the app, you always have a complete overview of everything on its way to you. Sending a package is also easy via the app. Looking for a PostNL point? You can easily find these in the app as well. Curious about which mail is on its way to you? Activate My Mail so you also have a complete overview of all your mail (note: only available in the Netherlands). This way, you always have us at hand! Always up-to-date If you enable notifications, we ensure that you are always informed of the latest status of your package. Also, install the PostNL widget on your home screen to always stay up-to-date. Sending something? Have the QR code from your account scanned and receive a shipping confirmation by email. Easily create a label via the app and have it printed at a PostNL point. Need a stamp? Buy a digital stamp and write it on the letter, convenient! Download the app and let us know what you think!

About

RentSlam

Find rental properties faster by setting up custom search profiles. Receive instant alerts via email, WhatsApp, Telegram, or push notifications when new listings match your criteria. This service helps you react quickly to secure your ideal home.

Highlights
  • Customizable search profiles
  • Instant property alerts
  • Multi-platform notifications (email, WhatsApp, Telegram, push)
  • Scans over 1,000 rental sites
  • Supports Netherlands and Germany
  • Helped over 40,000 users
Features
Read full description

Find your next rental home faster RentSlam helps you rent an apartment or house sooner by scanning 1,000+ rental websites and instantly notifying you when a new listing matches your preferences. It works throughout the Netherlands, and we’re currently expanding to Germany. Since 2016, we’ve helped over 40,000 people rent a home — and we’re just getting started. How it works: 1. Tell us what you’re looking for Set your preferences using four personal search bots — location, price, size, and more. You can adjust your criteria anytime. 2. Be the first to receive new listings You’ll get real-time alerts within 30 seconds via email, WhatsApp, or app notifications—so you can react faster than other renters. 3. Rent your new home faster By being first to respond, you’ll get more viewings and rent your next place with less stress. Join thousands of renters using RentSlam to stay ahead of the crowd and find a home faster and easier than ever.

Screenshots

PostNL4 screens
RentSlam4 screens

Verdict

The call

The clearest difference is review sentiment: RentSlam at 100% against PostNL's 21%. RentSlam also leads on rating (5.0 vs 4.5) and ads (none vs shown). PostNL's advantage is in-app purchases (none vs 3) and ratings volume (2.1K vs 1). On price, update cadence, 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. RentSlam sells 3 in-app purchases, starting at $34.99 per month. PostNL asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

RentSlam holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: PostNL has 2.1K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 21% of PostNL's written reviews are positive against 100% of RentSlam's.

UpkeepUpdate frequency

PostNL ships an update every 2 weeks, RentSlam fortnightly. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

Scorecard6 real differences · 4 level
PostNL versus RentSlam: the parameters behind the verdict, then further details
ParameterPostNLRentSlam
PriceFreeFree
Rating4.5 (2.1K ratings)5.0 (1 ratings) — better
Positive reviews20.9% of reviews100.0% of reviews — better
Number of ratings2.1K — better1
Update frequencyEvery 2 weeksFortnightly — better
AdsYesNo — better
In-app purchasesNo — betterYes
MonetizationAd-supported — betterSubscription
DevicesiPhone, iPadiPhone, iPod
Requires iOS16.015.1 — better
Further details — not scored
Size41 MB60 MB
Age rating4+17+
DeveloperPostNL Holding B.V.RentSlam B.V.

Customer experience

PostNL

All ratings2,112 ratings
Positive89.3%
Neutral3.8%
Negative6.8%
Written reviews187 reviews
Positive20.9%
Neutral12.3%
Negative66.8%

RentSlam

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

PostNL

Reported bugs

3 issues
  • Account creation issues
  • Inaccurate tracking information
  • Notification problems

Requested features

3 requests
  • Add English language option
  • Improve delivery preferences
  • Provide more delivery updates

RentSlam

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

PostNL

No in-app purchases

3 purchases

RentSlam

Subscriptions3
  • 1 Month$34.991 Month
  • 2 Months$49.992 Months
  • 3 Months$49.993 Months

Questions

Is PostNL free?
PostNL is free to download, with no in-app purchases.
Is RentSlam free?
RentSlam is free to download, with in-app purchases available.
Which has better reviews, PostNL or RentSlam?
RentSlam is rated higher. PostNL averages 4.5 out of 5 from 2.1K ratings, while RentSlam averages 5.0 from 1 ratings.
Do PostNL or RentSlam have ads?
PostNL shows ads; RentSlam does not.
Which is updated more often, PostNL or RentSlam?
PostNL ships an update every 2 weeks, and RentSlam fortnightly. Most recently, PostNL was updated on October 16, 2026 and RentSlam on October 2, 2026.

Other comparisons