Comparison

LetterRack vs StopRewind

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

Head to head
About

LetterRack

Features
Read full description

LetterRack. The Mentalist's Secret Weapon. Mentalism lives on one thing: focus. LetterRack gives your spectator exactly what their mind needs to lock onto a thought. Three powerful effects, one elegant tool: A spectator thinks of a random word generated by the app. The mentalist reads their mind. A spectator unscrambles an anagram and focuses on the hidden word. The mentalist reads their mind. A spectator freely chooses any word. The mentalist reads their mind. Three different paths. One impossible outcome. Full control for the performer: LetterRack gives mentalists full control over their letter sets, preparing, organizing, customizing, and cycling through words with precision, so the performer can focus entirely on the audience, not the mechanics. Instant sharing, zero friction: Generate a QR code in seconds and let your spectator scan it with their iPhone. No app download required. They land directly via App Clip, turning their own phone into part of the effect. Always within reach: A Home Screen widget keeps your current word visible at a glance, ready the moment you need it. They think it. You know it. Word lists currently available in English only. Additional languages coming in future updates. The app is free to download and try with up to 5 words. The widget and Apple Watch complication are free to install but show only the first letter of the word. Full word display, App Clip, custom word lists, and advanced word management require an Xtremagic Pass subscription or one-time purchase.

About

StopRewind

Read full description

Stop: Rewind — Time rewinds right before their eyes. Imagine stopping your iPhone's Stopwatch... and watching it rewind by itself, back to 00:00, as if the elapsed time never happened. Stop: Rewind faithfully recreates the look of the iPhone Stopwatch — same design, same buttons, same layout. Your friends won't notice a thing... until you tap Stop. How it works • Start the stopwatch and stop it whenever you like, just like you normally would • Choose how the magic triggers: Automatic (it rewinds by itself a few seconds after stopping) or Manual (you decide the exact moment by tapping "Reset") • The rewind is fast and natural — it looks completely real Why you'll love it • Pixel-matched to the real iPhone Stopwatch app, for maximum believability • No complicated setup: pick your preferred timing and you're ready to go • Perfect for surprising friends, coworkers, and family anytime Includes a 3-day free trial. After the trial, the annual subscription unlocks unlimited use of the app. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

LetterRack4 screens
StopRewind3 screens

Verdict

The call

The clearest difference is iOS requirement: StopRewind at 18.6 against LetterRack's 26.4. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. LetterRack sells 3 in-app purchases, starting at $3.99 per month and StopRewind sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

Scorecard1 real difference Ā· 5 level
LetterRack versus StopRewind: the parameters behind the verdict, then further details
ParameterLetterRackStopRewind
PriceFreeFree
Update frequencyEvery 3 weeks—
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, Apple Watch — betteriPhone
Requires iOS26.418.6 — better
Further details — not scored
Size28 MB3 MB
Age rating4+4+
DeveloperVincent LaunayGianluigi Strazzo

In-app purchases

3 purchases

LetterRack

Subscriptions2
  • Xtremagic Pass$3.991 Month
  • Xtremagic Pass$24.991 Year
One-time1
  • Full Access (One-Time Purchase)$7.99
1 purchases

StopRewind

Subscriptions1
  • Stop: Rewind3 Days trial$4.991 Year

Questions

Is LetterRack free?
LetterRack is free to download, with in-app purchases available.
Is StopRewind free?
StopRewind is free to download, with in-app purchases available.
Do LetterRack or StopRewind have ads?
Neither LetterRack nor StopRewind shows ads.

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