Comparison

ゆるくやせる! vs METsTracker

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

Head to head
About

ゆるくやせる!

Features
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◎累計100万DLの大人気ダイエットアプリ! ◎リリース初月ヘルスケア1位獲得! ◎ゆる〜くダイエットはじめませんか!? つらいダイエットはもう嫌だぁ〜 _| ̄|○ 細かいカロリー計算めんどくさぁ〜 (-_-) ◎色んなメディアでも紹介されたよー ・TBS「いっぷく!」(2014/5/14) ・テレビ東京「オードリーの神アプリ」(2013/8/27) ・「JELLY」、「美ST」他、女性誌複数 ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ ごはんの時に誰もが思う、 『もっと食べても大丈夫かなぁ?ダメかな…?』 そんな時、かわいいパートナーが 『そろそろストップだよ』とか教えてくれる^^ ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇ ざっくり、ゆるく、やせたいよぉー そんな人向けの「ゆるやせ」ダイエットアプリ! ゆる〜くダイエットはじめませんか!? ◎その他 広告を外したい方へ: App内課金「広告非表示」にて広告を永久に外すことができます。 ※アプリ開発やサービス継続にはコストが掛かりますが、無料でサービスを提供するために広告設置をしております。広告が気になる場合はぜひ「広告非表示」課金(同一Apple IDなら機種変更しても有効です)にてご利用ください。ご理解、ご協力頂けますと幸いです。

About

METsTracker

Features
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METsTracker counts only the exercise you record as workouts, not daily steps or household chores, and shows in real time how many METs (exercise volume) you have built up this week. Check your progress for the current week and look back at past weeks to compare. Regular exercise is widely considered to help maintain good health. Make your day-to-day effort visible with METsTracker. RECOMMENDED FOR ・People who want to know, in METs, how much they have exercised this week ・People who want to see whether their exercise volume is up or down compared with previous weeks ・People who want to keep track of intentional exercise such as jogging or strength training KEY FEATURES ・Automatically totals workouts recorded in the Health app and shows this week's METs in real time ・History view to browse and compare weekly METs from past weeks ・Set any day of the week as the start of your week ・See at a glance how much remains to reach your METs goal ・Optional reminder notification in the second half of the week ・Built-in FAQ and how-to guide FREE FEATURES ・This week's METs ・History for the most recent 2 weeks ・Notification preview A one-time in-app purchase unlocks advanced features such as full history and personalized calorie-burn estimates. This is not a subscription. METsTracker has no dedicated server, and all Health data is processed only on your device. The app shows no ads and never shares your data with third parties.

Screenshots

ゆるくやせる!2 screens
METsTracker4 screens

Verdict

The call

The clearest difference is in-app purchases: METsTracker at none against ゆるくやせる!'s 7. METsTracker also leads on ads (none vs shown) and update cadence (monthly vs every 8 months). ゆるくやせる!'s advantage is iOS requirement (15.6 vs 26.5). On price 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. ゆるくやせる! sells 7 one-off in-app purchases. METsTracker asks for nothing beyond the download.

UpkeepUpdate frequency

ゆるくやせる! ships an update every 8 months, METsTracker monthly. Both last shipped on October 4, 2026.

Scorecard4 real differences · 5 level
ゆるくやせる! versus METsTracker: the parameters behind the verdict, then further details
Parameterゆるくやせる!METsTracker
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 8 monthsMonthly — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.6 — better26.5
Further details — not scored
Size161 MB2 MB
Age rating12+4+
DeveloperREVOLAB Inc.Hidetoshi Okui

In-app purchases

7 purchases

ゆるくやせる!

One-time7
  • しろくま$0.99
  • ぱんだ$0.99
  • ぺんぎん$0.99
Show 4 more
  • ハニーちゃん$0.99
  • カパ美$0.99
  • ぶたこ$0.99
  • 広告非表示(広告を外す)$7.99
None

METsTracker

No in-app purchases

Questions

Is ゆるくやせる! free?
ゆるくやせる! is free to download, with in-app purchases available.
Is METsTracker free?
METsTracker is free to download, with no in-app purchases.
Do ゆるくやせる! or METsTracker have ads?
ゆるくやせる! shows ads; METsTracker does not.
Which is updated more often, ゆるくやせる! or METsTracker?
ゆるくやせる! ships an update every 8 months, and METsTracker monthly. Most recently, ゆるくやせる! was updated on October 4, 2026 and METsTracker on October 4, 2026.

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