ヤダヤダ vs U.F.Moo!
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ヤダヤダ
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働きたく無いでござる!働きたく無いでござる! ヤダヤダはそんな気持ちの時に作られた残念なアプリです。 ゲームはとても単純です。 ずっと同じリズムでタップしましょう。 ただそれだけです。 意識すればするほど、ミスを誘います。 無へ。 さぁ、還りましょう。 ヤダヤダ!
U.F.Moo!
This game challenges players to aim UFOs and flick cows upwards. It's part of a collection of retro-style games.
- Flick cows into UFOs
- Retro arcade gameplay
- Part of Cassette Games: Volume 2
- Simple aiming mechanic
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The rumors are true: UFOs love to scoop up cattle and subject them to strange experiments. Dear alien visitors: why not take some fresh beef home as a souvenir? Cassette Games: Volume 2 is here! - Aim for the UFO and flick the cows up!
Screenshots
Verdict
The clearest difference is rating: ヤダヤダ at 5.0 against U.F.Moo!'s 3.0. ヤダヤダ also leads on iOS requirement (7.0 vs 13.0). U.F.Moo!'s advantage is update cadence (monthly vs every 6 months) and review sentiment (100% vs 87%). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
ヤダヤダ holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews complicate that: 87% of ヤダヤダ's written reviews are positive against 100% of U.F.Moo!'s, so the app with the better star average is not the one people write more warmly about.
ヤダヤダ ships an update every 6 months, U.F.Moo! monthly. The most recent releases landed on October 20, 2026 and October 17, 2026 respectively.
| Parameter | ヤダヤダ | U.F.Moo! |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 87.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 7.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | RUCKYGAMES CO., LTD. | Masakazu Yonehara |
Customer experience
ヤダヤダ
U.F.Moo!
In-app purchases
ヤダヤダ
No in-app purchases
U.F.Moo!
No in-app purchases









