KittenUp vs I.F.O
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
KittenUp
Guide a kitten to jump higher by tapping the screen. Collect coins from yellow clouds and ride a UFO for a significant boost. Experience an endless sky-high adventure.
- Tap to jump
- Collect coins
- Ride UFOs
- High score chasing
- Simple controls
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Kitten jump higher in the sky. Please touch the left and right sides of the screen. When kitten press the yellow cloud, it will appear coins. Kitten can ride a UFO take 10 or more coins. ( Coin x 10 meter jump up ! )
I.F.O
Pilot a classic aircraft to shoot down UFOs and rescue kidnapped animals. Power up your plane with mysterious alien energy and utilize unique weapons and items. Engage in a high-score focused weapon mode to prove your mastery.
- Simple left/right rotation controls
- Dash maneuver
- Alien power-ups
- Weapon and item collection
- Life recovery
- Weapon-only high score mode
- iMessage stickers
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I.F.O is an old school LCD-style shoot'em up game. You have to shoot UFOs using a classic aircraft and save the animals which kidnapped by the aliens. Let's save the Earth from the aliens! You are the last hero of the world. *Very simple controls - You can rotate aircraft by left & right buttons. and you can dash by pushing both buttons together. That's all. *The mysterious alien power - If you kidnap an alien, your classic airplane gets power up by the mysterious alien power. *Unique weapon & item - You can change weapon while saving the animals kidnapped by the aliens. And you can recover your life at the same time. Depends on the kind of animal, you can earn a heart piece which make your maximum life larger. *iMessage stickers - When you install this application, I.F.O sticker is added to "iMessage". - v1.6 Updated - *Weapon mode - This is a mode where you aim for high scores only with your favorite weapon. I am number one with this weapon only! Total Battery is Gon Lee - Code, Art and Title BGM is OTOnoniwa In game BGM is Skipmore
Screenshots
Verdict
The clearest difference is price: KittenUp at Free against I.F.O's $2.99. KittenUp also leads on iOS requirement (7.0 vs 12.0). I.F.O's advantage is update cadence (every 2 months vs every 8 months) and review sentiment (97% vs 86%). On rating, 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
KittenUp is free to download; I.F.O costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for KittenUp against 5.0 for I.F.O. That said, the two scores are not equally well evidenced: I.F.O has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 86% of KittenUp's written reviews are positive against 97% of I.F.O's.
KittenUp ships an update every 8 months, I.F.O every 2 months. Both last shipped on October 17, 2026.
| Parameter | KittenUp | I.F.O |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (1 ratings) | 5.0 (6 ratings) |
| Positive reviews | 85.7% of reviews | 97.4% of reviews — better |
| Number of ratings | 1 | 6 — better |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 12.0 |
| Further details — not scored | ||
| Size | 22 MB | 69 MB |
| Age rating | 4+ | 4+ |
| Developer | Ryuji Kuwaki | gon lee |
Customer experience
KittenUp
I.F.O
In-app purchases
KittenUp
No in-app purchases
I.F.O
No in-app purchases









