Comparison

100 Amida vs わりかん

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

Head to head
About

100 Amida

This app facilitates team division, role assignment, and decision-making through lottery creation. It supports up to 100 participants, allowing for customizable winner selection and result saving. Personalize entries with images and easily edit participants before or during the draw.

Highlights
  • Create winner/loser lotteries
  • Group division lotteries
  • Support for up to 100 people
  • Save and edit lotteries
  • Add/delete members
  • Set member images
  • Save lottery results
Features
Read full description

About "100-person Amida": It's a Amida app that can be used for team division, assigning roles, deciding on shops, and various other purposes. Features of "100-person Amida": You can create lottery with winners and losers. You can create group division lotteries. You can create Amida for up to 100 people. You can save and edit created Amida. Editing of members (addition, deletion) is possible. Member images can be set from photos or albums. Member images can be adjusted (position, enlargement). You can cancel the Amida midway. You can skip the Amida and see the results. You can set the winners randomly. You can specify the number of winners (when set randomly). You can set whether to show winners on the result input screen (when set randomly). You can save the results of the Amida (new save, overwrite save). You can draw lots from the saved Amida results list.

About

わりかん

Easily calculate and manage group expenses for events like parties, trips, and shared living. Record who paid for what, and the app automatically figures out who owes whom. Offers flexible splitting options and clear settlement results.

Highlights
  • Automatic settlement calculation
  • Flexible splitting options
  • Add/remove members easily
  • Clear settlement results display
  • Share settlement results
  • Real-time collaborative editing (premium)
  • Ad-free experience (premium)
Features
Read full description

飲み会・旅行・買い物…グループでの支払いを、もっとシンプルに。 「わりかん」は、複雑な割り勘をかんたんに計算できるアプリです。 誰が何を支払ったか記録するだけで、誰が誰にいくら払えばいいか自動で計算します。 【主な機能】 ■ かんたん割り勘計算 イベントを作成してメンバーを登録。支払いを記録するだけで、清算結果を自動計算します。 ■ 柔軟な割り勘設定 ・全員で均等割り ・特定のメンバーだけで割り勘 ・メンバーごとに負担額を個別設定 ・複数人での立替払いにも対応 ※割り切れない場合など、多少の誤差が発生する場合がございます。 ※プレミアム機能の共同編集にはネットワークが必要になります。 ■ メンバーの追加・削除 イベント作成後でもメンバーの追加・削除が可能。途中参加・途中離脱にも柔軟に対応できます。 ■ わかりやすい結果表示 「AさんがBさんに○○円払う」という形で、清算結果をシンプルに表示。円グラフで支払い状況も一目でわかります。 ■ 結果の共有 計算結果をテキストで共有できるので、グループへの連絡もかんたんです。 【プレミアム機能】 ■ リアルタイム共同編集 QRコードやリンクで割り勘を共有。メンバー全員がリアルタイムで支払いを記録・編集できます。 ※共同編集にはネットワークが必要になります。 ■ 広告非表示 広告なしの快適な操作をお楽しみいただけます。 ※共有機能は無料で1回お試しいただけます。 ※共有機能にはネットワーク通信が必要です。 【こんな場面で活躍】 ・飲み会やパーティーの精算 ・旅行中の費用の分担 ・ルームシェアの生活費管理 ・グループでの買い出し ・イベントの経費精算 アカウント登録不要で、すぐにお使いいただけます。 利用規約 https://exultant-tail-74b.notion.site/31302c4ed122800cb509c5dc9ecca39c プライバシーポリシー https://exultant-tail-74b.notion.site/31302c4ed12280f1a461d7ecef880237

Screenshots

100 Amida4 screens
わりかん4 screens

Verdict

The call

The clearest difference is in-app purchases: わりかん at none against 100 Amida's 3. わりかん also leads on update cadence (every 10 days vs every 2 months) and iOS requirement (16.6 vs 18.6). 100 Amida's advantage is review sentiment (70% vs 50%). On price, ads, monetization model 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. 100 Amida sells 3 one-off in-app purchases. わりかん asks for nothing beyond the download.

UpkeepUpdate frequency

100 Amida ships an update every 2 months, わりかん every 10 days. The most recent releases landed on October 16, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 6 level
100 Amida versus わりかん: the parameters behind the verdict, then further details
Parameter100 Amidaわりかん
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews69.8% of reviews — better50.0% of reviews
Number of ratings2 — better—
Update frequencyEvery 2 monthsEvery 10 days — better
AdsYesYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad — better
Requires iOS18.616.6 — better
Further details — not scored
Size18 MB82 MB
Age rating4+4+
Developertomohiro nakanoKatsuyuki Hayashi

Customer experience

100 Amida

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews43 reviews
Positive69.8%
Neutral14.0%
Negative16.3%

わりかん

Written reviews18 reviews
Positive50.0%
Neutral5.6%
Negative44.4%

In-app purchases

3 purchases

100 Amida

One-time3
  • Individual Start$2.99
  • Ad Removal$3.99
  • User Image Width Setting$3.99
None

わりかん

No in-app purchases

Questions

Is 100 Amida free?
100 Amida is free to download, with in-app purchases available.
Is わりかん free?
わりかん is free to download, with no in-app purchases.
Do 100 Amida or わりかん have ads?
Both 100 Amida and わりかん show ads.
Which is updated more often, 100 Amida or わりかん?
100 Amida ships an update every 2 months, and わりかん every 10 days. Most recently, 100 Amida was updated on October 16, 2026 and わりかん on October 9, 2026.

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