Comparison

App Lock vs Tstrs

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

Head to head
About

App Lock

Manage your screen time and enhance focus with intelligent app blocking and privacy protection. Create a private digital space, track usage, and set schedules to reduce distractions and build healthier digital habits.

Highlights
  • App blocking for privacy
  • Focus management and deep work sessions
  • Detailed app usage statistics
  • Smart scheduling of app blocking
  • System-level protection and control
  • Camouflage mode for dual identity
  • Privacy protection and data security
Features
Read full description

App Introduction Invis is a professional digital health app that helps you scientifically manage screen time, enhance focus, and build healthier digital habits. Through intelligent app blocking and privacy protection features, let yourself stay away from digital distractions and focus on what truly matters. Core Features Privacy Protection First - Block apps to protect your privacy, preventing others from peeking at your personal apps - Create an exclusive private digital space just for you - Use your device safely in sensitive situations, avoiding awkwardness - Protect personal data and privacy of your digital life Smart App Blocking - Perform focus management by temporarily blocking distracting apps - Create deep work sessions to significantly improve efficiency - Support for custom app groups (work, entertainment, social, etc.) - Flexible time limits and automatic recovery features Detailed Usage Statistics - Comprehensive app usage data analysis - Daily/weekly/monthly trend charts - Personalized digital health reports - Help understand usage habits and optimize time allocation Smart Scheduling - Automatically block distracting apps at preset times - Set once, execute intelligently - Support for multiple scene modes (work, study, rest) - Flexible time period configuration System-Level Protection - Utilizing iOS native Family Controls framework - Prevent accidental uninstallation of important apps - Restrict in-app purchases, avoiding impulse spending - Complete device management authority, ensuring rule execution Camouflage Mode - Displays as a practical note-taking app - Dual identity switching, safe and convenient - Additional privacy protection when needed Target Audience - Users who want to have privacy space - Users who need to protect their personal digital life - Users who want to reduce mobile phone usage time - Professionals who need to improve work focus - Parents concerned about their children's digital health - Users pursuing digital minimalism - People seeking self-development and healthy habits Why Choose Invis? - Privacy First: Designed with privacy protection focus, creating a safe digital space - Scientific Management: Based on time management psychology - Simple Operation: Intuitive interface, one-click complex configuration - Comprehensive Features: Integrates app blocking, time management, and statistical analysis - Privacy Security: All data processed locally, protecting personal information - Continuous Updates: Regular optimization of user experience, adding new features Premium Benefits - Unlock all advanced features - Unlimited creation of app groups and schedules - Advanced statistical reports - Priority customer support - Complete system protection features Download Invis and start your digital health journey! Let technology serve life, not dominate it.

About

Tstrs

Features
Read full description

Track income and expenses with clear categories and notes, then review this month's balance, spending totals, and savings rate in one calm home view. Set monthly budgets to stay within limits, and open insights for spending trends, top categories, and practical tips that help you save more each week. Browse recent activity quickly, filter records by category, and check money health with overview cards and simple charts. Log salary or side income, capture everyday purchases, and keep budgets visible so limits stay easy to follow. Add short notes when a record needs context, compare income against spending at a glance, and revisit your history whenever you want a clearer picture of cash flow. Everything runs on your device for fast daily logging without an account or cloud sync, so you can record carefully, notice patterns early, and improve habits over time with less clutter and more clarity.

Screenshots

App Lock4 screens
Tstrs4 screens

Verdict

The call

The clearest difference is in-app purchases: Tstrs at none against App Lock's 1. Tstrs also leads on iOS requirement (13.0 vs 17.0). 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. App Lock sells 1 one-off in-app purchase. Tstrs asks for nothing beyond the download.

Scorecard2 real differences · 8 level
App Lock versus Tstrs: the parameters behind the verdict, then further details
ParameterApp LockTstrs
PriceFreeFree
Rating4.7 (259 ratings) — better
Positive reviews66.7% of reviews
Number of ratings259 — better
Update frequencyWeekly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFreemium
DevicesiPhone, iPadiPhone, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size29 MB2 MB
Age rating4+4+
Developer亚娟 秦HONOUR (H.K.) ENGINEERING LIMITED

Bugs and requests

App Lock

Reported bugs

11 issues
  • Apps disappear after hiding
  • Apps become unlocked automatically
  • White screen/freezing when adding apps
  • Subscription billing issues (unexpected charges)
  • App crashes/logs out of WhatsApp
Show 6 more
  • App location/group transfer issue
  • Cannot access hidden apps after deletion
  • Password entry keyboard not appearing
  • Incompatible with iOS 18
  • Intermittent password input box not showing
  • Apps are restricted after deletion and reinstallation

Requested features

10 requests
  • Fix apps disappearing after hiding
  • Fix apps unlocking automatically
  • Fix white screen/freezing when adding apps
  • Address subscription billing and cancellation
  • Resolve WhatsApp logout issue
Show 5 more
  • Fix app location/group transfer issue
  • Enable access to hidden apps after deletion
  • Fix password entry keyboard not appearing
  • Ensure compatibility with iOS 18
  • Fix intermittent password input box not showing

Tstrs

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

App Lock

One-time1
  • Invis Pro Lifetime$2.99
None

Tstrs

No in-app purchases

Questions

Is App Lock free?
App Lock is free to download, with in-app purchases available.
Is Tstrs free?
Tstrs is free to download, with no in-app purchases.
Do App Lock or Tstrs have ads?
Neither App Lock nor Tstrs shows ads.

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