Zerko vs Wordpeek!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Zerko
A relaxing puzzle game where you strategically place blocks to make all numbers on the board equal zero. Enjoy a no-pressure experience with calming audio and no in-app purchases or ads.
- Zero-sum number puzzles
- Strategic block placement
- Relaxing gameplay
- No time pressure
- No in-app purchases
- No ads
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Some call it reverse sudoku, while others call it a nullification game, but it's Zerko - a puzzle game filled with shapes, numbers, and a straightforward goal: make every number zero. To achieve this, you need to strategically place blocks of various shapes and values so that the numbers on the board effectively "remove up" to zero. Like all my games, this one too is about relaxation... Just chill. There are no points, no time pressure, no data collection, no in-app purchases, no ads, no nonsense ;) My only hope is that you'll enjoy it and that I'll be able to add new content and levels for you in the future. Relaxing audio by: Marek Koszczyński
Wordpeek!
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Word Hunt + Picture Guess Trace words at your own pace on the 9x9 letter grid. Each word reveals parts of a picture beneath - you've got other guess the picture.
Screenshots
Verdict
The clearest difference is price: Wordpeek! at Free against Zerko's $2.99. Zerko's advantage is update cadence (every 3 weeks vs every 4 months) and chart position (#190 vs unranked). On ads, in-app purchases 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
Wordpeek! is free to download; Zerko costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Zerko ships an update every 3 weeks, Wordpeek! every 4 months. The most recent releases landed on October 16, 2026 and October 6, 2026 respectively.
| Parameter | Zerko | Wordpeek! |
|---|---|---|
| Price | $2.99 | Free — better |
| Rating | 4.9 (14 ratings) — better | — |
| Positive reviews | 93.3% of reviews | — |
| Number of ratings | 14 — better | — |
| Update frequency | Every 3 weeks — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Best chart rank | #190 — better | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 100 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Maciej Targoni | KELLY DORNHAUS GAMES LLC |
In-app purchases
Zerko
No in-app purchases
Wordpeek!
No in-app purchases
