Improver app vs SlaapWijzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Improver app
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The improver app allows you to track your challenges. You can read the detailed explanation of the challenges and their rules, see your place in the leaderboards and log the amount of water you drank, or whether you had any sugared drinks or candy. You can also track your progress in your personalized training schedule. It is possible to couple Apple Health to read out your steps for the step challenge.
SlaapWijzer
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SlaapWijzer is een applicatie voor cliënten die niet kunnen slapen. Je hebt er vragen in die je met ja of nee moet beantwoorden en afhankelijk van het antwoord krijg je handige tips om beter te kunnen slapen.
Screenshots
Verdict
The clearest difference is update cadence: Improver app at every 3 months against SlaapWijzer's every 45 months. SlaapWijzer's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Improver app ships an update every 3 months, SlaapWijzer every 45 months. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.
| Parameter | Improver app | SlaapWijzer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 months — better | Every 45 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 26.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 45 MB | 70 MB |
| Age rating | 17+ | 12+ |
| Developer | Ready2Improve CVBA | Jeroen Arendsen |
In-app purchases
Improver app
No in-app purchases
SlaapWijzer
No in-app purchases
Questions
Is Improver app free?
Is SlaapWijzer free?
Do Improver app or SlaapWijzer have ads?
Which is updated more often, Improver app or SlaapWijzer?
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