Comparison

Hobby Zone vs PromptCauldron

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

Head to head
About

Hobby Zone

This app offers exclusive points and birthday coupons for special shopping experiences. Enjoy great deals and personalized benefits through this lifestyle application.

Highlights
  • Exclusive app points
  • Birthday coupons
  • Special shopping offers
  • Personalized benefits
Features
Read full description

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。

About

PromptCauldron

Features
Read full description

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

Hobby Zone3 screens
PromptCauldron3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 5 level
Hobby Zone versus PromptCauldron: the parameters behind the verdict, then further details
ParameterHobby ZonePromptCauldron
PriceFreeFree
Positive reviews5.0% of reviews—
Update frequencyEvery 48 monthsEvery 4 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhoneiPhone, iPad — better
Requires iOS16.6 — better26.2
Further details — not scored
Size12 MB42 MB
Age rating4+4+
DeveloperBOKENO, K.K.Hang Chi Simon CHAN

In-app purchases

None

Hobby Zone

No in-app purchases

2 purchases

PromptCauldron

Subscriptions1
  • 升級 PRO$5.991 Month
One-time1
  • 20 Potions$1.99

Questions

Is Hobby Zone free?
Hobby Zone is free to download, with no in-app purchases.
Is PromptCauldron free?
PromptCauldron is free to download, with in-app purchases available.
Do Hobby Zone or PromptCauldron have ads?
Neither Hobby Zone nor PromptCauldron shows ads.
Which is updated more often, Hobby Zone or PromptCauldron?
Hobby Zone ships an update every 48 months, and PromptCauldron every 4 days. Most recently, Hobby Zone was updated on November 3, 2026 and PromptCauldron on October 31, 2026.

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