Comparison

SpongeBoard vs RandomCaser

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

Head to head
About

SpongeBoard

This keyboard app allows you to transform typed text into a mocking pattern. Easily edit existing text to create humorous and sarcastic messages for friends.

Highlights
  • Edit typed text
  • Create mocking patterns
  • Humorous text transformation
  • Sarcastic messaging
Read full description

SpongeBoard is a keyboard app that lets you edit text already typed and changes it into a mocking pattern. Use it to point out your friend's stupidity or just to make fun of them.

About

RandomCaser

Read full description

tYpE sOmEtHiNg NoRmAl. gEt SoMeThInG wEiRd. RandomCaser lives right inside iMessage. Type your text, tap to randomize the case, and send it — all without leaving the conversation. HOW IT WORKS Type or paste any text. Tap Re-Randomize until it looks just right (or just wrong enough). Send it directly, drop it in the message box to edit first, or copy it to your clipboard. THREE WAYS TO USE IT Send Message — fires it straight into the chat. Add to Message Box — drops it into the compose field so you can tweak it before sending. Copy to Clipboard — grab it for use anywhere else on your device. GO PRO — ONE PRICE, FOREVER Unlock 5 handcrafted themes with a single purchase. No subscriptions. No ads. Just vibes. THEMES Sage Park — calm, sophisticated greens inspired by a luxury hotel lobby. Beach Claw — warm sand tones with cool ocean blue accents. Royal Purple — bold, regal purple for when you're feeling fancy. Red n Black — high-contrast and unapologetically loud. Robotic — clean, minimal, pure system design. Built with Liquid Glass on iOS 26 for a modern, premium feel. Perfect for roasting your group chat, making a point, or just being chaotic.

Screenshots

SpongeBoard2 screens
RandomCaser3 screens

Verdict

The call

The clearest difference is in-app purchases: SpongeBoard at none against RandomCaser's 1. SpongeBoard also leads on iOS requirement (8.0 vs 15.0). RandomCaser's advantage is update cadence (every 11 days vs every 2 months). 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. RandomCaser sells 1 one-off in-app purchase. SpongeBoard asks for nothing beyond the download.

UpkeepUpdate frequency

SpongeBoard ships an update every 2 months, RandomCaser every 11 days. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

Scorecard3 real differences · 7 level
SpongeBoard versus RandomCaser: the parameters behind the verdict, then further details
ParameterSpongeBoardRandomCaser
PriceFreeFree
Rating4.5 (69 ratings) — better—
Positive reviews79.5% of reviews—
Number of ratings69 — better—
Update frequencyEvery 2 monthsEvery 11 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.0
Further details — not scored
Size21 MB4 MB
Age rating4+4+
DeveloperAlexandre FrigonMichael Miles

Bugs and requests

SpongeBoard

Reported bugs

5 issues
  • Did not work at all
  • Keyboard does not respond to iOS 14
  • Makes only noise
  • Phone getting pop-ups
  • Capitalizes letters randomly

Requested features

2 requests
  • Add more support
  • Add a tutorial at the beginning

RandomCaser

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

SpongeBoard

No in-app purchases

1 purchases

RandomCaser

One-time1
  • RandomCaser PRO$6.99

Questions

Is SpongeBoard free?
SpongeBoard is free to download, with no in-app purchases.
Is RandomCaser free?
RandomCaser is free to download, with in-app purchases available.
Do SpongeBoard or RandomCaser have ads?
Neither SpongeBoard nor RandomCaser shows ads.
Which is updated more often, SpongeBoard or RandomCaser?
SpongeBoard ships an update every 2 months, and RandomCaser every 11 days. Most recently, SpongeBoard was updated on October 13, 2026 and RandomCaser on October 4, 2026.

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