Comparison

Cash Reader for the Blind vs Sudoku Solver

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

Head to head
About

Cash Reader for the Blind

Instantly identify the value of banknotes from over 100 currencies by simply pointing your camera at them. This app offers fast and accurate recognition, unique vibration feedback, and offline functionality, making it an essential tool for visually impaired individuals.

Highlights
  • Fast and accurate banknote recognition
  • Unique vibration feedback for differentiation
  • Currency conversion to home currency
  • Offline functionality
  • Large fonts and high-contrast options
  • Voice assistant support
Features
Read full description

Point your camera at a banknote to hear, feel, or see its value. Cash Reader helps blind and low vision people identify banknotes independently, at home, in shops, and while traveling. Hear the denomination spoken aloud. Feel the value discreetly through countable vibration patterns, useful in noisy places and for deafblind users. See large, high-contrast values that adapt to your preferred text size. Cash Reader can recognize worn, folded, or partly visible notes. Once you're set up, identify banknotes even without internet. Identify banknotes in almost every country. Hear each banknote's value in your home currency. Use Siri or Shortcuts to identify money or select a currency. Add Identify Money to Control Center or the Lock Screen, or assign it to the Action button. Repeat the last result with VoiceOver's Magic Tap. Cash Reader is free to download and identifies selected lower denominations. Try full access free for 14 days, with no automatic charge. When the trial ends, the app returns to the free version unless you purchase full access. Full access covers all supported denominations and is available through in-app purchases, including subscriptions and lifetime access. Download Cash Reader and take more control of your everyday cash. Privacy Policy: https://cashreader.app/privacy-policy.html Terms of Use: https://cashreader.app/terms-of-use-ios.html

About

Sudoku Solver

Features
Read full description

The only scanner that solves a Samurai. Point your camera at a printed Sudoku and get the solution. Not just the standard 9×9 — Sudoku Solver reads the five-grid Samurai too, the one no other scanner will touch. HOW IT WORKS Hold your phone over the puzzle. It finds the grid, reads the digits, and works out the answer — usually in about a second. Nothing to type in, nothing to line up. IT TELLS YOU HOW, NOT JUST WHAT Every solution names the techniques the puzzle actually needed — naked singles, hidden pairs, X-Wings — so you can see where you were stuck. Want to work through it properly? One tap opens the exact board in Samuraiku and walks you through it step by step. SHARE THE ANSWER Send or print a clean solution card with the original clues in bold, so you can check your own work against it. WHAT IT DOESN'T DO No ads. No subscription. No account. Nothing is uploaded — the camera image never leaves your phone, and it's never saved to your photo library. You pay once. Classic 9×9 and Samurai. Works offline. Made by the people behind Samuraiku.

Screenshots

Cash Reader for the Blind3 screens
Sudoku Solver4 screens

Verdict

The call

The clearest difference is price: Cash Reader for the Blind at Free against Sudoku Solver's $3.99. Cash Reader for the Blind also leads on update cadence (fortnightly vs every 2 months). Sudoku Solver's advantage is in-app purchases (none vs 5) and ads (none vs shown). On device support and iOS requirement 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

Cash Reader for the Blind is free to download; Sudoku Solver costs $3.99 up front. Cash Reader for the Blind sells 5 in-app purchases, starting at $1.99 per month. Sudoku Solver asks for nothing beyond the download.

UpkeepUpdate frequency

Cash Reader for the Blind ships an update fortnightly, Sudoku Solver every 2 months. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

Scorecard4 real differences · 6 level
Cash Reader for the Blind versus Sudoku Solver: the parameters behind the verdict, then further details
ParameterCash Reader for the BlindSudoku Solver
PriceFree — better$3.99
Rating4.4 (502 ratings) — better—
Positive reviews73.1% of reviews—
Number of ratings502 — better—
Update frequencyFortnightly — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.017.0 — better
Further details — not scored
Size49 MB2 MB
Age rating4++4
DeveloperCash Reader s.r.o.Karl Groethe

Bugs and requests

Cash Reader for the Blind

Reported bugs

3 issues
  • Fails to recognize certain denominations of local currency
  • App crashes or freezes during use
  • Inconsistent performance across different devices

Requested features

4 requests
  • Add support for more currencies, especially Latin American currencies
  • Improve accuracy for worn or damaged bills
  • Implement fake bill detection
  • Provide more affordable pricing options

Sudoku Solver

Not enough reviews yet to summarise bugs or requests.

In-app purchases

5 purchases

Cash Reader for the Blind

Subscriptions2
  • Full Version Paid Monthly$1.991 Month
  • Full Version Paid Yearly$11.991 Year
One-time3
  • Full Version for 14 daysFree
  • Full Version for one month$2.99
  • Full Version for Lifetime$39.99
None

Sudoku Solver

No in-app purchases

Questions

Is Cash Reader for the Blind free?
Cash Reader for the Blind is free to download, with in-app purchases available.
Is Sudoku Solver free?
Sudoku Solver costs $3.99, with no in-app purchases.
Do Cash Reader for the Blind or Sudoku Solver have ads?
Cash Reader for the Blind shows ads; Sudoku Solver does not.
Which is updated more often, Cash Reader for the Blind or Sudoku Solver?
Cash Reader for the Blind ships an update fortnightly, and Sudoku Solver every 2 months. Most recently, Cash Reader for the Blind was updated on November 2, 2026 and Sudoku Solver on October 28, 2026.

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