FlatStrike vs PingPing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
FlatStrike
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FlatStrike helps you find and apply to rental apartments — faster. In Berlin's competitive rental market, the first qualified applicant often gets the viewing. FlatStrike keeps you ahead: it surfaces new listings that match your search, alerts you the moment they appear, and speeds up applying so you're never late to the right apartment. WHAT YOU CAN DO • Get matched — Set your search once (rooms, price, size, area) and see apartments that actually fit. • Never miss a listing — Notifications when a new matching apartment goes live. • Save what you like — Keep the listings you're interested in in one place. • Apply faster with Easy Apply — FlatStrike fills in landlord application forms from your saved profile, so applying takes a tap instead of retyping everything. • Let Autopilot apply for you — On the Autopilot plan, FlatStrike can apply on its own, only to new listings that match the rules you approved. • Reuse your documents — Upload your WBS certificate once and use it across applications. • Track everything — See your saved listings and applications in the Tracker. HOW IT WORKS 1. Sign in and set your apartment search. 2. Browse and save the listings that match. 3. Tap Easy Apply to send an application built from your profile. 4. Get notified when new matching apartments appear — so you can apply first. PLANS • Start (free) — Review, save and track apartments, alerts for one search, and a few Easy Applies each day. • Plus — Apply faster with more Easy Applies, saved templates and multiple search profiles. €19.99/month or €29.99 every 3 months. • Autopilot — FlatStrike applies for you, only on listings that match your rules. €39.99/month or €59.99 every 3 months. Plus and Autopilot are auto-renewing subscriptions. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and you can manage or cancel it in your Apple Account settings. Terms of Use: https://flatstrike.com/terms/ Privacy Policy: https://flatstrike.com/privacy-policy/ BUILT FOR BERLIN RENTERS FlatStrike is made for people searching for a home in Berlin who don't want to spend hours refreshing listing sites or re-typing the same details. Set your search, get notified, apply first. YOU STAY IN CONTROL With Easy Apply, FlatStrike only applies to the apartments you choose — you tap Easy Apply for each listing. Autopilot is optional and off until you set it up, review what it will send and turn it on for a search; you can pause it or turn it off at any time, and every application it sends is listed in the app. The details you save (such as income or WBS information) are used only to help complete your rental applications. Questions or feedback? developer@flatstrike.com
PingPing
This app helps you organize your skincare products, create personalized routines, and track your skin's progress. It analyzes ingredients, suggests product order, and provides weather-based recommendations. Monitor product expiry, analyze your habits, and log skin changes with photos and health data.
- Personalized routine building
- Ingredient analysis and clash detection
- Weather-based skincare advice
- Product expiry reminders
- Skin diary with photo tracking
- Habit and empties tracking
- Apple Watch and Lock Screen widgets
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A cabinet full of skincare and no idea which bottle to use tonight? PingPing helps you make the most of what you already own. KNOW WHICH BOTTLE TONIGHT • Add products by photo, order screenshot or by hand. PingPing reads the ingredient list and builds your morning and evening steps in the right order • Retinoids, AHAs and BHAs are spaced out automatically so clashing products never share a night • Check off each step or mark everything done at once. Take a night off without breaking your streak • Long-press a step to change just today: swap a product, skip it, or edit the time SKINCARE FOR TODAY'S WEATHER • Local UV, humidity and temperature turn into simple sunscreen and moisturizer reminders • An hourly UV chart shows when the sun is strongest, and you can set a reminder to reapply in 2 hours • Optional morning reminder with the day's UV YOUR CABINET, WATCHED OVER • Ingredient clashes, duplicates, fragrance and alcohol notes, and ingredients you'd rather avoid • Reminders before products expire after opening • New product trials: patch test first, then compare your skin at weeks 2, 6 and 12 • Empties and spending: bottles finished this year and cost per use • Routine checkup: a score for your cabinet and habits, with what to fix SKIN DIARY • Rate your skin in 10 seconds and note issues, areas and possible triggers • Add photos or a 3D face scan with the TrueDepth camera to compare over time • Connect Health to see how sleep, workouts and your cycle relate to your skin (processed on your phone only) • Weekly summaries and monthly recap cards MAKE IT A HABIT • Challenges like 21 days of morning sunscreen, with skip passes • 16 badges for streaks, empties, diary entries and more ANYWHERE • Check in from widgets, the Lock Screen or Apple Watch. Mask timers show on the Dynamic Island • PingPing Advisor answers "can I use these together?" PRIVACY Skin photos, 3D scans and health data stay on your phone. No account needed. PingPing offers everyday skincare information, not medical advice. If redness or burning persists, please see a doctor. PingPing Plus subscriptions renew automatically and can be cancelled anytime in Settings. Terms of Use: https://pingping.keorigin.com/en/terms.html Privacy Policy: https://pingping.keorigin.com/en/privacy.html
Screenshots
Verdict
The clearest difference is update cadence: PingPing at daily against FlatStrike's every 2 days. FlatStrike's advantage is iOS requirement (15.0 vs 26.0). On price, 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
Both are free to download. FlatStrike sells 4 in-app purchases, starting at $17.99 per month and PingPing sells 3 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
FlatStrike ships an update every 2 days, PingPing daily. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | FlatStrike | PingPing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days | Daily — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, Apple Watch |
| Requires iOS | 15.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 63 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Ahmad Houri | Chongqing Keyuan Jisuan Information Technology Co., Ltd. |
In-app purchases
FlatStrike
- FlatStrike Plus$17.991 Month
- FlatStrike Plus$24.993 Months
- FlatStrike Autopilot$34.991 Month
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- FlatStrike Autopilot$49.993 Months
PingPing
- PingPing Plus Monthly3 Days trial$3.991 Month
- PingPing Plus Yearly7 Days trial$19.991 Year
- PingPing Plus Lifetime$49.99








