Comparison

LockFlow vs AppStack

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

Head to head
About

LockFlow

Features
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Turn screen time management into a warm "Digital Contract." Screen time shouldn't be about cold "restrictions"; it should be about visible "progress." LockFlow introduces a unique "Request & Approve" model, empowering children to earn rewards through effort while allowing parents to respond to growth with trust. Listen to their voices and witness their achievements—making every unlock a positive milestone. 【Core Features】 • Voice Requests: Hear the "Promise" Need 15 minutes of gaming? Let them tell you why. Whether they finished homework early or want to share a moment of joy, the warmth in their voice makes communication real—no more cold, rigid digital limits. • Photo Proof: Witness Every Achievement From a completed assignment to a tidy room, your child can snap a quick photo as "Proof of Effort." This real-time delivery makes rewards well-earned and self-discipline tangible and rewarding. • Remote Real-time Response: Stay Connected, Anywhere In a meeting, at work, or on the go? Receive requests instantly on your iPhone or Apple Watch. Quickly preview photos and voice messages to respond to your child’s effort with a simple, seamless flow. • Dual-Device History: A Journal of Growth All requests are securely stored on your family devices. This isn't just a log of self-discipline; it’s a dedicated digital journal documenting your child’s journey toward independence. 【Privacy & Commitment】 • Your Data Stays Yours Built on Apple’s private cloud technology, LockFlow adheres to a "Zero-Server" architecture. Photos and voice messages stay within your family's devices. We cannot see, hear, or store your personal data—complete sovereignty remains with your family. • Professional System Shield Leveraging the latest native technologies, LockFlow provides a stable and reliable digital boundary without interrupting daily life, helping children build self-discipline habits that last a lifetime. Stop the screen time wars. Start the conversation. With LockFlow, give them freedom, give yourself peace of mind. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.qq.com/doc/DT25veXB3R0hkVFJS

About

AppStack

Features
Read full description

Your home screen should be a gallery, not a grid of distractions. App Stack turns your widgets into photo launchers. Each one displays a picture you have chosen — tap it to reveal the apps underneath and open them instantly. When you are not using them, they stay hidden behind your favourite photos. No more unlocking your phone and getting pulled into apps you did not mean to open. App Stack lets you launch with intention, not impulse. How it works: - Create a stack and give it a name — Social, Work, Shopping, whatever suits you - Add the apps you use together and pick photos that match - Place the widget on your home screen - Your photo rotates daily; tap the widget to reveal your apps and launch them It works with virtually every app on your phone. In the rare case an app needs a little help, App Stack walks you through a quick one-time setup. Why App Stack: - Daily photo rotation keeps your home screen fresh - Multiple stacks for different parts of your life - Clean, lightweight design with no ads or tracking - No account required — all photos stay on your device - Works with virtually any app Free: 2 stacks, 3 photos, 8 apps per stack. Pro: Up to 1,000 stacks, 100 photos, and unlimited apps per stack. Declutter your home screen. Use your phone on your terms. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://appstack-schemes.app-stack.workers.dev/privacy

Screenshots

LockFlow4 screens
AppStack4 screens

Verdict

The call

The clearest difference is update cadence: AppStack at every 5 days against LockFlow's every 3 weeks. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. LockFlow sells 2 in-app purchases, starting at $4.99 per month and AppStack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

LockFlow ships an update every 3 weeks, AppStack every 5 days. The most recent releases landed on October 7, 2026 and October 13, 2026 respectively.

Scorecard1 real difference · 5 level
LockFlow versus AppStack: the parameters behind the verdict, then further details
ParameterLockFlowAppStack
PriceFreeFree
Update frequencyEvery 3 weeksEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better17.0
Further details — not scored
Size22 MB14 MB
Age rating4+4+
Developer成 程Jean-Marc Lai

In-app purchases

2 purchases

LockFlow

Subscriptions2
  • Monthly Plan1 Month trial$4.991 Month
  • Annual Plan1 Year trial$44.991 Year
1 purchases

AppStack

One-time1
  • App Stack Pro$2.99

Questions

Is LockFlow free?
LockFlow is free to download, with in-app purchases available.
Is AppStack free?
AppStack is free to download, with in-app purchases available.
Do LockFlow or AppStack have ads?
Neither LockFlow nor AppStack shows ads.
Which is updated more often, LockFlow or AppStack?
LockFlow ships an update every 3 weeks, and AppStack every 5 days. Most recently, LockFlow was updated on October 7, 2026 and AppStack on October 13, 2026.

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