SpongeBoard vs RandomCaser
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Edit typed text
- Create mocking patterns
- Humorous text transformation
- Sarcastic messaging
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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.
RandomCaser
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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
Verdict
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
Both are free to download. RandomCaser sells 1 one-off in-app purchase. SpongeBoard asks for nothing beyond the download.
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.
| Parameter | SpongeBoard | RandomCaser |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (69 ratings) — better | — |
| Positive reviews | 79.5% of reviews | — |
| Number of ratings | 69 — better | — |
| Update frequency | Every 2 months | Every 11 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 21 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexandre Frigon | Michael 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
SpongeBoard
No in-app purchases
RandomCaser
- RandomCaser PRO$6.99









