Mopkin vs Serial Watcher
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mopkin
This app helps you tackle cleaning by breaking down large tasks into single, manageable steps. Simply photograph a messy space, and it suggests one actionable item, adjusting difficulty based on your energy level. It focuses on one task at a time to combat overwhelm.
- AI-generated cleaning tasks
- Task difficulty adjustment
- Focus on one step at a time
- Before-and-after photo history
- No account or subscription required
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Meet Mopkin, your little cleaning buddy. Take a photo of your room, choose how much energy you have, and Mopkin will give you a place to start. Pick up the clothes, clear a corner of the desk, or put a few dishes away. Check off each task as you go, and Mopkin will help you with the next one. Use it for a quick kitchen tidy or the bedroom you’ve been putting off all week. You can keep going or call it a day after a few tasks. Your rooms and past cleaning sessions stay together, with before-and-after photos to help you see your progress. Free to use. No account needed.
Serial Watcher
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No account. No ads. Your data lives in your iCloud, not on our servers. One thread per episode — not per season, not per show: per episode. Finish S03E07 at 2am and there's a thread waiting with people who just watched exactly what you watched. No wading through spoilers from episodes you haven't reached. One tap from the app, movies included Up Next that actually thinks — the next unwatched episode of every show, with this week's premieres on top and everything else sorted by what you watched last. Plus a Home Screen widget so your queue is one glance away Movie deals radar — see what movies cost on your local store, spot the offers, and get a notification when one of your favorites goes on sale Discover, redesigned — a cinematic home that takes the color of whatever's trending, plus in-theaters and new releases. Browse by genre, year, streaming platform, actor or director — with platform logos on every title Rate & organize your way — 5-star or 10-point scale, custom lists (yes, you can add single episodes: "best Black Mirror eps" is finally possible), and GitHub-style activity heatmaps of everything you watch Your history, portable — import from IMDb, Letterboxd or Trakt in one tap; export or restore your whole collection anytime English & Español, light & dark mode Free to download — the whole Discover experience is free forever. Pro (from $0.99/mo) unlocks Up Next widgets, you can explore your favorites and filter by platform. Try it you don't need to pay nothing now SerialWatcher uses the TMDB API but is not endorsed or certified by TMDB. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Mopkin at none against Serial Watcher's 4. Serial Watcher's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (17.6 vs 26.0). 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
Both are free to download. Serial Watcher sells 4 one-off in-app purchases. Mopkin asks for nothing beyond the download.
Mopkin ships an update monthly, Serial Watcher every 2 weeks. The most recent releases landed on October 31, 2026 and October 29, 2026 respectively.
| Parameter | Mopkin | Serial Watcher |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (10 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 85 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Bryton Zoz | Moscoso Pacheco, Gonzalo Juvenal |
In-app purchases
Mopkin
No in-app purchases
Serial Watcher
- Small Soda$0.99
- Medium Soda$1.99
- Large Soda$3.99
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- Soda + Popcorn$7.99









