Comparison

Last Seen Tracker for WhatsApp vs Flash Chats

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

Head to head
About

Last Seen Tracker for WhatsApp

Monitor your children's online activity and receive instant notifications about their online and offline statuses. Track time intervals spent online and gain insights into their usage patterns. A free version is available for monitoring one child.

Highlights
  • Online/offline status monitoring
  • Usage time tracking
  • Instant status notifications
  • Family member tracking
  • Detailed statistics (paid)
Features
Read full description

Description: The app created to monitor Online status of your kids. This app can help you monitor activities of your kids and get instant notifications about their online and offline statuses. App features: - Online/offline statuses of your family members; - Time intervals your loved ones online or offline; - Instant notifications about statuses. Subscription Pricing and Terms: - Subscription periods are weekly and quarterly. Every week or quarter your subscription renews. - Payment will be charged to iTunes Account at confirmation of purchase. - The subscription is automatically renewed unless auto-renew is turned off at least 24-hours before the end of the current period. - Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. - Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. - Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. The free version allows you to monitor the current status of one child without the possibility of obtaining detailed statistics and status notifications. This app doesn’t violate the Privacy Policy and Terms of Service of any third parties and use only publicly available data. The app is not affiliated with any 3rd parties. Privacy Policy - https://docs.google.com/document/d/1niX4o52XZtzL89jKsqkl8Ghwri_soj3t1Su7NLXbBpg/edit# Terms of Use - https://docs.google.com/document/d/1qF3b_XXE2tZ_2AppkyHUwbHBe-krnoZVfOt0F_Z34_k/edit

About

Flash Chats

This app facilitates secure, temporary one-on-one text conversations with new contacts without needing phone numbers or usernames. Messages can be set to automatically disappear after a chosen period, offering a private way to connect for brief interactions.

Highlights
  • Secure 1:1 text messaging
  • No phone number or username required
  • QR code pairing
  • Disappearing messages
  • Face ID lock and blocking tools
  • Private by design
Features
Read full description

Flash Chats is a private channel for people you haven't added to your contacts yet. On a first date, at a job interview, or when meeting someone new — start a secure 1:1 chat in seconds. No phone number. No username search. No public profiles. HOW IT WORKS • Pair in person — scan a QR code with someone nearby • Talk privately — secure text messaging powered by Apple's CloudKit infrastructure • Let it fade — messages disappear automatically (1 hour, 24 hours, or 5 days) • Stay in control — Face ID lock, block, and report tools built in BUILT FOR MOMENTS, NOT FOREVER Flash Chats is designed for one-time contacts and early trust — the conversation you want to have before sharing your real number, email, or social handles. Perfect for: • First dates and dating app meetups • Job interviews and candidate conversations • Marketplace buyers and sellers • Conference networking and event introductions • Anyone you'd rather not add to your phone contacts PRIVATE BY DESIGN • Locked to two people — each chat pairs exactly two iCloud accounts • Invite only — no discovery, no feeds, no public rooms • Secure & Isolated — all data is encrypted and transferred via native Apple CloudKit • Device-bound — chat history and encryption settings stay local on your iPhone or iPad • Text only — simple, focused, private FREE & FOCUSED • Completely free — no subscriptions, no in-app purchases • No ads — no banners, no promoted content, no third-party ad SDKs • No tracking — no analytics, no data selling, no background noise SECURITY & SAFETY • App Lock with Face ID, Touch ID, or passcode • Per-chat message lifetime settings • In-app block and report tools for User-Generated Content • Delete all local data anytime from Settings SYSTEM REQUIREMENTS & APP NOTES • Active iCloud sign-in required on the device for authentication and message delivery • Camera access is used solely for scanning invite QR codes • Two separate devices with different iCloud accounts are required to pair and initiate a chat When the conversation is over, it's gone. Your personal contacts stay personal. Questions or feedback? Contact Whale Group Ltd at support@whalegroup.co.uk or Settings → Legal → Contact Support.

Screenshots

Last Seen Tracker for WhatsApp4 screens
Flash Chats4 screens

Verdict

The call

The clearest difference is rating: Flash Chats at 5.0 against Last Seen Tracker for WhatsApp's 4.3. Flash Chats also leads on in-app purchases (none vs 2) and review sentiment (100% vs 69%). Last Seen Tracker for WhatsApp's advantage is update cadence (every 10 days vs every 2 months) and ratings volume (2K vs 1). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Last Seen Tracker for WhatsApp sells 2 in-app purchases, starting at $5.99 per 7 days. Flash Chats asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Flash Chats holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Last Seen Tracker for WhatsApp has 2K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 69% of Last Seen Tracker for WhatsApp's written reviews are positive against 100% of Flash Chats's.

UpkeepUpdate frequency

Last Seen Tracker for WhatsApp ships an update every 10 days, Flash Chats every 2 months. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard7 real differences · 3 level
Last Seen Tracker for WhatsApp versus Flash Chats: the parameters behind the verdict, then further details
ParameterLast Seen Tracker for WhatsAppFlash Chats
PriceFreeFree
Rating4.3 (2K ratings)5.0 (1 ratings) — better
Positive reviews69.3% of reviews100.0% of reviews — better
Number of ratings2K — better1
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemiumFree — better
DevicesiPhone, iPod — betteriPhone
Requires iOS13.0 — better26.2
Further details — not scored
Size6 MB5 MB
Age rating4+4+
DeveloperAndrei SemianenkaWhale Group LTD

Customer experience

Last Seen Tracker for WhatsApp

All ratings1,916 ratings
Positive81.4%
Neutral4.5%
Negative14.0%
Written reviews668 reviews
Positive69.3%
Neutral3.9%
Negative26.8%

Flash Chats

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Last Seen Tracker for WhatsApp

Reported bugs

3 issues
  • Login screen freezes
  • Incompatible with older devices
  • Keeps asking to sign up even when already subscribed

Requested features

2 requests
  • Dark mode option
  • Advanced analytics dashboard

Flash Chats

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

Last Seen Tracker for WhatsApp

Subscriptions2
  • Weekly$5.997 Days
  • Quarterly$29.993 Months
None

Flash Chats

No in-app purchases

Questions

Is Last Seen Tracker for WhatsApp free?
Last Seen Tracker for WhatsApp is free to download, with in-app purchases available.
Is Flash Chats free?
Flash Chats is free to download, with no in-app purchases.
Which has better reviews, Last Seen Tracker for WhatsApp or Flash Chats?
Flash Chats is rated higher. Last Seen Tracker for WhatsApp averages 4.3 out of 5 from 2K ratings, while Flash Chats averages 5.0 from 1 ratings.
Do Last Seen Tracker for WhatsApp or Flash Chats have ads?
Neither Last Seen Tracker for WhatsApp nor Flash Chats shows ads.
Which is updated more often, Last Seen Tracker for WhatsApp or Flash Chats?
Last Seen Tracker for WhatsApp ships an update every 10 days, and Flash Chats every 2 months. Most recently, Last Seen Tracker for WhatsApp was updated on November 3, 2026 and Flash Chats on October 31, 2026.

Other comparisons