Hobby Zone vs PromptCauldron
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Hobby Zone
This app offers exclusive points and birthday coupons for special shopping experiences. Enjoy great deals and personalized benefits through this lifestyle application.
- Exclusive app points
- Birthday coupons
- Special shopping offers
- Personalized benefits
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Hobby Zone公式アプリは、アプリ限定のポイントやお誕生日クーポンなどお得なお買い物が出来るアプリです。
PromptCauldron
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Welcome to the magical and fun AI art app — Prompt Cauldron! Often staring at a blank input box, not knowing what to ask the AI to draw? Wanted to draw a handsome cyberpunk cat, but the AI gave you a potato? Say goodbye to prompt frustration and welcome the most addictive new toy on your phone! * Tens of thousands of carefully tuned AI spells have all been stuffed into this cauldron. All you need to do is press the button to draw a spell card, upload a photo or make a selection from the menu, and then get ready to witness a miracle! * Addictive AI Prompt Gacha Machine: Every hour, the Cauldron will randomly push 10 brand-new spell cards to you. Will you draw an ordinary aesthetic portrait, or an ultra-realistic sci-fi masterpiece with extreme lighting? It all depends on your luck! * Effortless Magic Generation that even kids can use: No more writing a 500-word essay just to generate a picture! See a spell card you like? Tap it! The Cauldron will only ask you to upload one or two photos or select a few simple options from the menu. It will then automatically and perfectly blend your provided photos/options with powerful hidden spells. BOOM! A master-level painting is born! * Unlock God Mode (PRO Subscription): Want to become the ultimate wizard? Upgrade to PRO! In addition to receiving 80 bottles of Magic Potion directly every month for you to cast spells, you can enjoy more free spell card refreshes, expand your exclusive gallery space to collect your god-tier masterpieces, and even use magic to completely banish those annoying banner ads taking up your screen! => Ready to try your luck? Download "Prompt Cauldron" now and see if you can pull an epic masterpiece today, brewing up works that will amaze everyone! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Hobby Zone at none against PromptCauldron's 2. Hobby Zone also leads on iOS requirement (16.6 vs 26.2). PromptCauldron's advantage is update cadence (every 4 days vs every 48 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. PromptCauldron sells 2 in-app purchases, starting at $5.99 per month. Hobby Zone asks for nothing beyond the download.
Hobby Zone ships an update every 48 months, PromptCauldron every 4 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.
| Parameter | Hobby Zone | PromptCauldron |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 5.0% of reviews | — |
| Update frequency | Every 48 months | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.6 — better | 26.2 |
| Further details — not scored | ||
| Size | 12 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | BOKENO, K.K. | Hang Chi Simon CHAN |
In-app purchases
Hobby Zone
No in-app purchases
PromptCauldron
- 升級 PRO$5.991 Month
- 20 Potions$1.99









