Ultramind vs Curio Islands
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ultramind
Enhance your cognitive abilities with a focus on mental speed and agility. This application offers a way to measure and potentially improve your brain's quickness through engaging exercises.
- Measure mental speed
- Cognitive agility exercises
- Brain training
- Progress tracking
- Multiple subscription tiers
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Measure your mind's speed.
Curio Islands
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Explore Curio Islands with Glee! Curio Islands is a collection of science-education mini-games. Join our friendly mascot Glee on a journey across 10 islands, learning science concepts along the way through play. 10 Mini-Games • Animal Habitats — match animals to their homes • Dress for the Weather — pick the right outfit for each season • Plant Life Cycle — grow a plant from seed to flower • Five Senses — learn to use sight, sound, smell, taste, and touch • Sink or Float — explore buoyancy with everyday objects • Day and Night — understand daily routines and times of day • Animal Families — match baby animals to their parents • Magnetic or Not — sort magnetic and non-magnetic objects • Recycling Sort — learn how to sort recyclables correctly • Sound Size — tell loud sounds from quiet ones Every game has Easy, Medium, and Hard tiers that grow with your child, plus a Master Mode once all levels are cleared. Built with parents in mind • No ads — we never use third-party advertising SDKs • No tracking — no analytics SDKs; all progress is stored only on the device • No data collection — we never collect a name, birthday, photos, or other personal info • Parent gate — a simple check protects the subscription and settings screens Start for free Try the Easy tier of our first game (Animal Habitats) and several free levels across the other games. Unlock every island and level with a monthly or annual subscription. Voice narration is available in Korean and English, with more islands and games on the way. Subscription information • Monthly or annual auto-renewing subscription. Pricing is shown on the in-app subscription screen. • Payment is charged to your Apple ID account at confirmation of purchase. • Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Your account will be charged for renewal within 24 hours before the end of the current period. • You can manage or cancel your subscription anytime in your device's Settings > Apple ID > Subscriptions after purchase. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://kivylo.com/privacy
Screenshots
Verdict
The clearest difference is update cadence: Curio Islands at every 4 days against Ultramind's every 2 weeks. Curio Islands also leads on iOS requirement (16.4 vs 18.6). On price, 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
Both are free to download. Ultramind sells 6 in-app purchases, starting at $1.99 per month and Curio Islands sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.
Ultramind ships an update every 2 weeks, Curio Islands every 4 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.
| Parameter | Ultramind | Curio Islands |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (3 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 18.6 | 16.4 — better |
| Further details — not scored | ||
| Size | 985 MB | 106 MB |
| Age rating | 4+ | 4+ |
| Developer | ULTRAMIND | KIVYLO Co.,Ltd. |
In-app purchases
Ultramind
- Pro$1.991 Month
- Students1 Month trial$2.991 Month
- Annual1 Month trial$99.991 Year
- Careers$1.99
- Founders$199.99
- Ultrabase Community$999.99
Curio Islands
- Premium Monthly7 Days trial$6.991 Month
- Premium Yearly7 Days trial$59.991 Year





