# FlatStrike vs PingPing

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.

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.

## The numbers

| Metric | FlatStrike | PingPing |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/pingping-skincare-routine/id6823221087/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Monetization | — | Freemium |
| Size | 63 MB | 18 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Ahmad Houri](https://appshunter.io/developer/6782752079) | [Chongqing Keyuan Jisuan Information Technology Co., Ltd.](https://appshunter.io/developer/6823221089) |

## What reviewers say

### FlatStrike

[App page](https://appshunter.io/ios/app/flatstrike/id6782752077)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlatStrike Plus | $17.99 | per month |
| FlatStrike Plus | $24.99 | per 3 months |
| FlatStrike Autopilot | $34.99 | per month |
| FlatStrike Autopilot | $49.99 | per 3 months |


### PingPing

[App page](https://appshunter.io/ios/app/pingping-skincare-routine/id6823221087)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PingPing Plus Monthly | $3.99 | per month |
| PingPing Plus Yearly | $19.99 | per year |
| PingPing Plus Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is FlatStrike free?

FlatStrike is free to download, with in-app purchases available.

### Is PingPing free?

PingPing is free to download, with in-app purchases available.

### Do FlatStrike or PingPing have ads?

Neither FlatStrike nor PingPing shows ads.

### Which is updated more often, FlatStrike or PingPing?

FlatStrike ships an update every 2 days, and PingPing daily. Most recently, FlatStrike was updated on November 5, 2026 and PingPing on November 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*