Comparison

iWatermelon Deluxe vs PerChat AI

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

Head to head
About

iWatermelon Deluxe

This application claims to help you find the perfect watermelon by interpreting tapping sounds and considering size and color. It processes data to rate the ripeness of your watermelon as unripe, fair, or amazing. It's also suggested for fun with other hollow, round objects.

Highlights
  • Detects watermelon ripeness
  • Interprets tapping sounds
  • Considers size and color
  • Rates ripeness (unripe, fair, amazing)
  • Fun for other hollow objects
Features
Read full description

There isn't much better than a sweet, juicy, perfectly ripe watermelon. Yet, all watermelons aren't created equal... From the dawn of civilization, mankind tried to determine the unknown: whether a watermelon is ripe or not. Many studies and Billions of $ went to the drain, until today... THE SEARCH HAS ENDED. iWatermelon. Mankind has evolved. Tap it. Tap it 3 times. Had enough of buying a bland watermelon? Tired of disappointing your family and friends? iWatermelon is an application that interprets the feedback it receives by tapping on the watermelon to detect its ripeness, using a unique custom made formula for determining whether the watermelon is sweet or not depending on its size, color and feedback sound. All you have to do is place your device on the desired watermelon, select its approximate size and color, and tap it three times. After a quick data processing, iWatermlon will scan and rate accordingly whether the watermelon is unripe, fair or amazing! TIP: iWatermelon is also fun to try on more hollow, round objects :) Try it for yourself, share your results with your friends and send us photos of you and your super sweet iWatermelon pick watermelon! iWatermelon Deluxe is the original, first-time ever, watermelon detector app! Bon Appétit!

About

PerChat AI

Engage in private AI conversations powered by your own device. Create detailed characters and enjoy offline chat experiences. Enhance chats by using a Mac or Windows PC as a remote server for more complex interactions.

Highlights
  • On-device AI processing for privacy
  • Offline chat functionality
  • Create detailed AI characters
  • Role-play with various personas
  • Use Mac/Windows PC as remote server
  • Curated LLM model selection
Features
Read full description

PerChat AI, the chatbot app powered by your own devices. Unlike other AI chatbot apps, all Characters, Chats, and data remains on your iPhone at all times and no data is shared. This app can run AI chats all on your iPhone if you wish, no internet required! It supports a wide range of iPhones, starting from the iPhone XS and up. 4GB of RAM is recommended but the more RAM you have, the better! If you happen to have a Mac or Windows PC lying around, you can have more complex and interesting chats by using that machine as a remote server for this app. Note that remote chatting is only supported on your own home network, or with the use of a VPN to access outside your home. You can run the PerChat AI server on your Mac or Windows PC with some hand-picked models, or you can run your own server such as LM Studio or Ollama, and have character chats using those tools. Features: - create richly detailed Characters to chat with, and Personas to chat with - partake in epic conversations with dungeon masters, real celebrities, or any character you can imagine - choose from a curated list of LLM models that will run well on your iPhone to change the flavor of your chats - run a vast number of LLMs on your own Mac or Windows PC to offload computing, and improve chat quality

Screenshots

iWatermelon Deluxe4 screens
PerChat AI4 screens

Verdict

The call

The clearest difference is review sentiment: PerChat AI at 100% against iWatermelon Deluxe's 55%. PerChat AI also leads on price (Free vs $0.99) and rating (5.0 vs 3.1). iWatermelon Deluxe's advantage is ratings volume (19 vs 4) and iOS requirement (10.3 vs 17.0). On update cadence, ads, in-app purchases 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

PerChat AI is free to download; iWatermelon Deluxe costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

PerChat AI holds the better App Store score, 5.0 against 3.1. Both are backed by a comparable volume of ratings — 19 and 4 respectively. Written reviews point the same way: 55% of iWatermelon Deluxe's written reviews are positive against 100% of PerChat AI's.

UpkeepUpdate frequency

iWatermelon Deluxe ships an update every 6 weeks, PerChat AI every 4 weeks. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.

Scorecard6 real differences · 4 level
iWatermelon Deluxe versus PerChat AI: the parameters behind the verdict, then further details
ParameteriWatermelon DeluxePerChat AI
Price$0.99Free — better
Rating3.1 (19 ratings)5.0 (4 ratings) — better
Positive reviews54.5% of reviews100.0% of reviews — better
Number of ratings19 — better4
Update frequencyEvery 6 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationPaidFree — better
DevicesiPhone, iPodiPhone, iPad
Requires iOS10.3 — better17.0
Further details — not scored
Size30 MB12 MB
Age rating4+17+
DeveloperLookAndFeelRyan Laseter

Customer experience

iWatermelon Deluxe

All ratings19 ratings
Positive47.4%
Neutral5.3%
Negative47.4%
Written reviews44 reviews
Positive54.5%
Neutral9.1%
Negative36.4%

PerChat AI

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

iWatermelon Deluxe

No in-app purchases

None

PerChat AI

No in-app purchases

Questions

Is iWatermelon Deluxe free?
iWatermelon Deluxe costs $0.99, with no in-app purchases.
Is PerChat AI free?
PerChat AI is free to download, with no in-app purchases.
Which has better reviews, iWatermelon Deluxe or PerChat AI?
PerChat AI is rated higher. iWatermelon Deluxe averages 3.1 out of 5 from 19 ratings, while PerChat AI averages 5.0 from 4 ratings.
Do iWatermelon Deluxe or PerChat AI have ads?
Neither iWatermelon Deluxe nor PerChat AI shows ads.
Which is updated more often, iWatermelon Deluxe or PerChat AI?
iWatermelon Deluxe ships an update every 6 weeks, and PerChat AI every 4 weeks. Most recently, iWatermelon Deluxe was updated on November 6, 2026 and PerChat AI on November 4, 2026.

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