Comparison

Hong Kong Banknotes Reader vs MemoWall

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

Head to head
About

Hong Kong Banknotes Reader

This app helps visually impaired individuals identify Hong Kong dollar banknotes. Simply point your phone's camera at a note, and the app will audibly announce its value. It also provides haptic feedback through vibrations to further assist in denomination recognition.

Highlights
  • Voice announcement of banknote value
  • Vibration feedback for denominations
  • Assists visually impaired users
  • Simple camera-based operation
  • Supports current Hong Kong dollar notes
Features
Read full description

Attention: This app can only read banknote images, and is not equipped with functions for authenticating banknotes. This application is developed to assist the visually impaired in distinguishing the Hong Kong dollar notes in circulation. All you have to do is point the phone camera at the banknote and keep it at a certain distance. The application reads the value of the banknote by voice. There is also vibration feedback. One to three short vibrations represent $10, $20, and $50, respectively; one to three longer vibrations represent $100, $500, and $1,000. This app is developed by Barrier Free Access (HK) Limited, a Wholly-owned Subsidiary Of The Hong Kong Society For The Blind with an aim to improve the independence and equal participation of the visually impaired in community activities in Hong Kong

About

MemoWall

Features
Read full description

MemoWall turns your Home Screen into a living wall for ideas. Create beautiful boards, pin notes where you want them, and keep everything easy to scan at a glance. MemoWall is designed for iPhone and iPad with a clean, calm interface, so capturing thoughts feels effortless. A widget that’s actually useful Most widgets are just shortcuts. MemoWall’s widgets are made for quick check-ins, so your ideas stay visible when you need them. Make your Home Screen your workspace • Create multiple boards for different projects and contexts • Keep key notes visible on your Home Screen • Switch between board styles and themes that match your mood Capture fast. Organize naturally. • Add quick notes in seconds • Keep your thoughts clear and actionable • Come back anytime, right where you left off Sync when you want it Enable iCloud sync to keep your boards available across your devices. Premium Unlock additional boards and themes, enable iCloud sync, and get access to future Premium features. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Apple Customer Privacy Policy: https://www.apple.com/legal/privacy/

Screenshots

Hong Kong Banknotes Reader3 screens
MemoWall4 screens

Verdict

The call

The clearest difference is rating: MemoWall at 5.0 against Hong Kong Banknotes Reader's 3.0. MemoWall also leads on update cadence (every 10 days vs every 6 months). Hong Kong Banknotes Reader's advantage is in-app purchases (none vs 3) and iOS requirement (10.0 vs 18.6). On price, ratings volume, 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. MemoWall sells 3 in-app purchases, starting at $2.99 per month. Hong Kong Banknotes Reader asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

MemoWall holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

UpkeepUpdate frequency

Hong Kong Banknotes Reader ships an update every 6 months, MemoWall every 10 days. Both last shipped on October 24, 2026.

Scorecard4 real differences · 5 level
Hong Kong Banknotes Reader versus MemoWall: the parameters behind the verdict, then further details
ParameterHong Kong Banknotes ReaderMemoWall
PriceFreeFree
Rating3.0 (1 ratings)5.0 (2 ratings) — better
Number of ratings12 — better
Update frequencyEvery 6 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, Vision Pro — better
Requires iOS10.0 — better18.6
Further details — not scored
Size93 MB13 MB
Age rating4+4+
DeveloperBarrier Free Access (HK) LimitedAndre Finetti Cangussu

In-app purchases

None

Hong Kong Banknotes Reader

No in-app purchases

3 purchases

MemoWall

Subscriptions2
  • MemoWall Premium – Monthly7 Days trial$2.991 Month
  • MemoWall Premium – Yearly7 Days trial$22.991 Year
One-time1
  • MemoWall Premium – Lifetime$59.99

Questions

Is Hong Kong Banknotes Reader free?
Hong Kong Banknotes Reader is free to download, with no in-app purchases.
Is MemoWall free?
MemoWall is free to download, with in-app purchases available.
Which has better reviews, Hong Kong Banknotes Reader or MemoWall?
MemoWall is rated higher. Hong Kong Banknotes Reader averages 3.0 out of 5 from 1 ratings, while MemoWall averages 5.0 from 2 ratings.
Do Hong Kong Banknotes Reader or MemoWall have ads?
Neither Hong Kong Banknotes Reader nor MemoWall shows ads.
Which is updated more often, Hong Kong Banknotes Reader or MemoWall?
Hong Kong Banknotes Reader ships an update every 6 months, and MemoWall every 10 days. Most recently, Hong Kong Banknotes Reader was updated on October 24, 2026 and MemoWall on October 24, 2026.

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