Posture Patrol vs Replace
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Posture Patrol
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Slouching progresses before you even notice it. And by the time you do, it might already be too late. “Posture Patrol” is a simple app that watches over your posture with notifications. There’s only one thing to do. When a notification arrives, straighten your back. That’s it. And little by little, your posture will improve. ■ Patrol Cats Protect Your Spine Your spine is always at risk. To protect your posture from collapsing the moment you let your guard down, the “Patrol Cats” make regular rounds. Sometimes they stake out, sometimes they patrol outside, and sometimes they even guard other people’s spines. A world where every spine stands tall — that is the “peace of posture” this app aims for. ■ Simple, So You Can Keep Going • Get notified • Open the app • Fix your posture That’s all. No complicated actions or difficult settings. Because it’s simple, you can keep going. And because you keep going, you improve. ■ A Few “Pointless” Features This app also includes a little bit of fun. • Release cats arrested for bad posture • Send them to posture rehab • Rank up your patrol (aim for Legend) • Unlock more meow notification sounds It may be pointless, but it’s fun. ■ Recommended For • People who work at a desk • People who tend to slouch • People with shoulder or neck tension • People who struggle to build habits ■ Start with Awareness Improving your posture doesn’t require anything special. Simply noticing it, again and again, will gradually change your body. This app helps you take that first step.
Replace
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"When did I last change this?" A reminder for the small things around the house that quietly wear out. - Just register the cycle - A toothbrush, a water filter, contact lenses, a fire extinguisher; anything at all - Choose an interval, one month, three months, whatever it is - A word when it is about time - When the change is coming up, you are told quietly - Even something years away is booked properly, and arrives without opening the app - Press "changed" and the next date is set for you - Made to be safe to use - Everything stays inside this device only (nothing is sent anywhere) - No ads - Contact lenses are a regulated product. For how long to wear them and when to replace them, follow your eye care professional and the instructions that came with the lenses, ahead of anything shown here - Five items are free, and the records and the reminders are free You do not have to remember. Let the app remember.
Screenshots
Verdict
The clearest difference is ads: Replace at none against Posture Patrol's shown. Replace also leads on iOS requirement (15.0 vs 17.6). Posture Patrol's advantage is update cadence (every 3 days vs every 10 days). On price, 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
Both are free to download. Posture Patrol sells 2 in-app purchases, starting at $0.99 per month and Replace sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Posture Patrol ships an update every 3 days, Replace every 10 days. Both last shipped on October 31, 2026.
| Parameter | Posture Patrol | Replace |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 days — better | Every 10 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Romiick LLC | AKIHIRO MATSUYAMA |
In-app purchases
Posture Patrol
- Posture Patrol Premium$0.991 Month
- Buy Me a Milk$0.99
Replace
- アイテムが無制限(買い切り)$1.99









