Miko vs FLY
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Miko
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Miko is the study app with a virtual pet: a Pomodoro and focus timer where every study session you finish feeds, dresses and cheers up your pet. Studying stops being a chore and becomes a habit you actually look forward to. STUDY TIMER & POMODORO Pick how long you want to focus and start. A 25-minute quick start or a Pomodoro tailored to you: focus blocks, breaks and rounds you configure, with a heads-up when the break ends. Leave the app mid-session and the session fails β the best cure for procrastination and phone distractions. A VIRTUAL PET THAT LIVES WITH YOU Miso, Mochi, Canela, Mango, Trufa and Brasa get hungry, thirsty, happy and tired. Feed them, give them water, play with them and let them rest. The better you look after them, the more coins you earn for studying: a well-cared-for pet gives you +20% on every session. Like a tamagotchi that helps you concentrate. FIVE MINI-GAMES Fetch, Jump the Obstacles, Star Run, Rhythm and Chase the Laser. Playing boosts your pet's happiness, and in Star Run you also collect coins for the shop. DRESS IT UP Hats, scarves, capes, glasses, beds and backgrounds. Accessories are drawn right onto your pet and show in every pose: happy, grumpy, asleep or focused, studying alongside you. COINS, LEVELS & ACHIEVEMENTS Earn coins and XP with every completed session. Level up, unlock new pets and achievements, and buy food, drinks and toys in the shop. Short on coins or energy? Watch an optional ad for a top-up. There are no in-app purchases. DAILY STREAKS Study every day and build your streak. Your profile keeps your total time, sessions, current streak and longest streak: turn effort into consistency and productivity. PRIVACY No third-party ad networks and no advertising identifiers. Ads are Miko's own and always optional, and under-18s get the full app with no ads at all. PERFECT FOR β’ High school, college and university students β’ Exam prep without procrastinating β’ The Pomodoro technique and deep-focus blocks β’ Building a daily study habit β’ Homework, reading, remote work and anything that needs focus β’ Anyone who wants a study buddy, not another to-do list Download Miko, adopt your study buddy and start your first session today.
FLY
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A pet fruit fly driven by a model of its real brain. FLY runs a whole-brain model of Drosophila in real time on your phone: 138,639 neurons and 15 million connections from the FlyWire connectome, mapped with an electron microscope. When you drop sugar in the terrarium, touch the antennae or cast a shadow, the stimulus travels through the fly's actual wiring, and that decides whether it feeds, grooms or escapes. β’ 3D glass terrarium with a fly based on the NeuroMechFly model, walking with a real fly's step cycle β’ Live brain map: see which neurons are firing right now β’ Hunger, thirst, hormones and sleep: a hungry fly is more sensitive to sugar and sleeps at night β’ Your fly keeps living when the app is closed and lets you know when it gets hungry β’ Lab: watch the firing rates of the neurons behind feeding, grooming and escape Honestly: this is a scientific model, not an uploaded fly. The wiring is real, the neurons are simplified. Hunger, hormones, sleep and walking are simplified models based on the literature. The Science & Licenses screen explains what is what. Free, no ads, no tracking, no account. Data: FlyWire (Dorkenwald et al. 2024, Schlegel et al. 2024), brain model by Shiu et al. 2024, body from NeuroMechFly (Wang-Chen et al. 2024).
Screenshots
Verdict
The clearest difference is iOS requirement: Miko at 16.4 against FLY's 27.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Miko | FLY |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days | β |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 16.4 β better | 27.0 |
| Further details β not scored | ||
| Size | 130 MB | 100 MB |
| Age rating | 4+ | 4+ |
| Developer | Pablo Brasero Martinez | Tadeas Urbanek |
In-app purchases
Miko
No in-app purchases
FLY
No in-app purchases









