Comparison

PetsAge vs うちの子免許証

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

Head to head
About

PetsAge

Calculate your pet's age in human years by uploading a photo and entering their birthday. You can also add comments, save, and share your pet's age milestones.

Highlights
  • Calculate pet age in human years
  • Upload pet photos
  • Enter pet birthdays
  • Add comments to milestones
  • Save and share pet ages
Features
Read full description

Know your pet's age at a glance. How Old Pet lets you register your beloved pets' birthdays and photos to easily check their age and human-age equivalent. It supports dogs, cats, rabbits, and hamsters, and manages photos, names, breeds, gender, birthdays, and notes all in one place. See the time elapsed since birth and the age converted to human years at a glance — useful for daily growth records and health management. Display your favorite pet in a Home Screen widget and check your pet's age anytime without opening the app. You can decorate the widget with fonts, colors, and borders, and enjoy seasonal designs that change every month, plus a celebration design during your pet's birthday month. A pet age app that brings you closer to your precious family member. Main Features - Register your pet's photo, name, and birthday - Supports dogs, cats, rabbits, and hamsters - Human-age conversion display - Time elapsed since birthday (months / days), with a countdown starting one week before the birthday - Record breed, gender, and notes - Register death anniversaries - Pet list with photos - Switchable display modes - Home Screen widget support - Widget decoration (4 fonts, 8 colors, 6 border styles) - Seasonal & birthday month decoration (designs change automatically every month, with a celebration design during the birthday month) - Automatic pet breed detection from camera or photos (uses the Oxford-IIIT Pet Dataset, Stanford Dogs Dataset, and 70 Dog Breeds-Image Data Set) 1. Open the app and tap the "+" button. 2. Choose the type of pet. 3. Enter the name, photo, birthday, breed, gender, and more. 4. Tap "Save" to add the pet to your list. 5. Tap a registered pet to view or edit its details. 6. Pin your favorite pet to the widget from the list screen to check its age on your Home Screen. Premium (one-time purchase) - No ads - Birthday & death anniversary notifications (morning of the day, plus optional advance reminders 3 days before or the day before) - Sort the pet list (by birthday or human age) - Unlimited pet registration (free version: up to 4 pets) - iCloud backup of your pet data

About

うちの子免許証

Features
Read full description

うちの子に、世界でたった1枚の免許証を。 犬、猫、うさぎ、インコ、ハムスター――その他どんなペットでも、写真を選ぶだけで本格的な免許証風カードが完成。コスチュームを着せて、フレーム色を選んで、あなただけのオリジナル免許証を作りましょう。 ※基本無料。プレミアムも¥300の買い切りで、月額課金なし! ▼ こんな人におすすめ ・ペットの写真をもっと楽しく活用したい ・ペット仲間と盛り上がれるネタを作りたい ・ペットの記念日に特別なカードを贈りたい ▼ 主な機能 【免許証作成】 写真を選んで、名前・誕生日・動物種を入力するだけの簡単操作。AI自動背景切り抜き+手動の切り抜きツール(消しゴム・投げ縄・復元)も搭載で、証明写真風に仕上がります。 【2種類×6色、計12パターンのデザイン】 ・日本風免許証 ― おなじみのデザインをペット仕様にアレンジ ・海外風 ― スタイリッシュな洋風デザイン フレーム色は6色から選べます。 【47種類のコスチューム】 タキシード、警察官、消防士、宇宙飛行士、着物、セーラー服、学ラン、海賊、天使、サンタクロースなど。帽子・メガネ・スタンプなどのアクセサリーも自由に配置できます。 【シェア機能】 完成した免許証はカメラロールに保存、またはSNSに直接シェアできます。 【コレクション管理】 複数のペットの免許証をまとめて管理。いつでも見返せるギャラリーです。 【NFC機能】 市販のNFCタグや当アプリの実物ペットタグに、ペットの名前や飼い主の連絡先を書き込み・読み取り可能。お散歩中の迷子対策に。 【実物グッズ注文】 作った免許証は、本格的なカードやレジン製ペットタグとして注文できます。アプリから直接注文して、ご自宅にお届け。大切な記念やプレゼントにもぴったりです。 ▼ 料金プラン ・基本無料:免許証作成(2枚まで)、12種類の無料コスチューム、シェア機能 ・プレミアム(¥300 買い切り):枚数無制限、全47種類のコスチューム解放 ※ 作成した免許証は公的な証明書ではありません。 ▼ お問い合わせ uchino.ko.license@gmail.com

Screenshots

PetsAge3 screens
うちの子免許証4 screens

Verdict

The call

The clearest difference is update cadence: うちの子免許証 at every 2 days against PetsAge's every 2 months. うちの子免許証 also leads on iOS requirement (16.0 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. PetsAge sells 1 one-off in-app purchase and うちの子免許証 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

PetsAge ships an update every 2 months, うちの子免許証 every 2 days. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.

Scorecard2 real differences · 8 level
PetsAge versus うちの子免許証: the parameters behind the verdict, then further details
ParameterPetsAgeうちの子免許証
PriceFreeFree
Rating3.6 (17 ratings) — better—
Positive reviews41.4% of reviews—
Number of ratings17 — better—
Update frequencyEvery 2 monthsEvery 2 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.0 — better
Further details — not scored
Size11 MB158 MB
Age rating4+4+
DeveloperJUN KANAYAMAShuto Numjairi

In-app purchases

1 purchases

PetsAge

One-time1
  • Premium Upgrade$2.99
1 purchases

うちの子免許証

One-time1
  • プレミアム$1.99

Questions

Is PetsAge free?
PetsAge is free to download, with in-app purchases available.
Is うちの子免許証 free?
うちの子免許証 is free to download, with in-app purchases available.
Do PetsAge or うちの子免許証 have ads?
Both PetsAge and うちの子免許証 show ads.
Which is updated more often, PetsAge or うちの子免許証?
PetsAge ships an update every 2 months, and うちの子免許証 every 2 days. Most recently, PetsAge was updated on September 18, 2026 and うちの子免許証 on September 17, 2026.

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