Comparison

SOS手电筒:户外闪光超亮灯光 vs FlashSOS Emergency Flashlight

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SOS手电筒:户外闪光超亮灯光

Features
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SOS手电筒 紧急求救:一键发出SOS闪光与警笛警报,快速引起注意。 ​高亮手电:超强LED照明,支持闪光灯模式,黑暗环境随身光源。 关键时刻,守护安全!​ 立即下载,为意外做好准备。

About

FlashSOS Emergency Flashlight

Features
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■ One-Tap SOS Strobe Emergency Signal Long-press to fire the international standard SOS pattern (3-short / 3-long / 3-short) with synchronised flash and haptics. Strobe adjustable from 1 Hz to 20 Hz. Auto-throttles on low battery and cools down if the torch overheats — never dies when you need it most. Mis-touch protection (1.0s–3.0s long-press confirmation) prevents pocket fires wasting juice. Dual sync: camera torch + full-screen colour flash doubles your visible distance at night. ■ Morse Code Encoding Engine Type any text (English, Chinese, digits, or symbols) — FlashSOS auto-encodes it into clean on/off light pulses. 5 playback speeds: 0.5× / 1× / 1.5× / 2× / 4×; base unit duration customisable from 50 ms to 1000 ms. Includes a full printable Morse reference table inside the app. Use it for backcountry distress, covert signals, concert fan light shows, or team codes. ■ Custom Rhythm Editor (Upgrade to Pro — Lifetime Unlock) Three creative ways to build your own flash pattern: ① BPM Beat Mode — slide from 30 BPM to 300 BPM, every beat fires with millisecond-accurate sync; ② Preset Rhythm Library — 10 built-in scene patterns: Heartbeat / Breathing Light / Lighthouse Beacon / Red-Blue Police Siren @ 1Hz / Concert Cheer @ 120 BPM / SOS International Distress / Strobe Alert @ 8 Hz / 4-4 Rave Kick @ 128 BPM / Flickering Candle / Railway Hand Signal; ③ Manual Tap Recorder — tap the rhythm you want on-screen, we capture the exact ON/OFF timeline locally on your device. ■ Why Choose FlashSOS • Runs 100% locally on-device. Your typed text, saved phrases, recorded rhythms and history stay inside your iPhone's encrypted sandbox. Nothing uploads to any server, ever — no internet connection required at all. • Zero privacy footprint. No sign-in, no location requests, no IDFA collection, no background tracking. Only asks for camera (torch LED) permission when you actively tap the flash button, and you can revoke it any time in iOS Settings. • 12 native languages: Simplified Chinese, Traditional Chinese, English, French, German, Spanish, Italian, Portuguese, Russian, Japanese, Korean, Arabic. • Transparent privacy policy: full stand-alone page (linked in-app and on App Store) explains exactly what we do and do NOT do with every iOS permission we request. ■ FlashSOS Pro (one-time unlock or monthly plan) Unlocks all three premium features: Morse Code, Custom Beats and Strobe Warning. The SOS emergency tab stays 100% free forever - life-saving functions are never paywalled. Restore Purchases and Family Sharing work on the same Apple ID. Subscription: payment is charged to your Apple ID at confirmation. The subscription renews automatically unless auto-renew is turned off at least 24 hours before the end of the current period, and each renewal is charged at the same price within 24 hours before the period ends. Manage it in Settings > Apple Account > Subscriptions. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SOS手电筒:户外闪光超亮灯光3 screens
FlashSOS Emergency Flashlight4 screens

Verdict

The call

The clearest difference is in-app purchases: SOS手电筒:户外闪光超亮灯光 at none against FlashSOS Emergency Flashlight's 1. SOS手电筒:户外闪光超亮灯光 also leads on iOS requirement (15.6 vs 17.0). FlashSOS Emergency Flashlight's advantage is ads (none vs shown). On price 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. FlashSOS Emergency Flashlight sells 1 one-off in-app purchase. SOS手电筒:户外闪光超亮灯光 asks for nothing beyond the download.

Scorecard3 real differences · 3 level
SOS手电筒:户外闪光超亮灯光 versus FlashSOS Emergency Flashlight: the parameters behind the verdict, then further details
ParameterSOS手电筒:户外闪光超亮灯光FlashSOS Emergency Flashlight
PriceFreeFree
Update frequency—Every 3 weeks
AdsYesNo — better
In-app purchasesNo — betterYes
DevicesiPhone, iPod — betteriPhone
Requires iOS15.6 — better17.0
Further details — not scored
Size15 MB2 MB
Age rating17+4+
DeveloperShenzhen Duoxiang Technology Co., Ltd晓强 江

In-app purchases

None

SOS手电筒:户外闪光超亮灯光

No in-app purchases

1 purchases

FlashSOS Emergency Flashlight

One-time1
  • FlashSOS Pro (Morse + Beat Forever)$1.99

Questions

Is SOS手电筒:户外闪光超亮灯光 free?
SOS手电筒:户外闪光超亮灯光 is free to download, with no in-app purchases.
Is FlashSOS Emergency Flashlight free?
FlashSOS Emergency Flashlight is free to download, with in-app purchases available.
Do SOS手电筒:户外闪光超亮灯光 or FlashSOS Emergency Flashlight have ads?
SOS手电筒:户外闪光超亮灯光 shows ads; FlashSOS Emergency Flashlight does not.

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