Comparison

FlexibleGrouping vs ホイッスル

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

Head to head
About

FlexibleGrouping

Features
Read full description

This team division app is an application that allows you to easily divide teams in sports, games, events, etc. With this app, you can flexibly decide the number of people per group, such as 2 vs 3, 4 vs 4 vs 2, etc. Also, up to 10 groups can be set up, with up to 30 people per group. Using the app is very easy. First, the user registers on the member list. You can safely ignore this step. Next, register the information of the group name to which the user belongs. Finally, on the team division screen, select the number of members that make up the group. The number of people can be flexibly set for each group, so it is possible to divide into groups according to the purpose of use. In addition to randomly grouping, this app allows users to freely configure groups. In addition, you can divide into groups without registering as a member, so you can use it easily. As mentioned above, this app is an easy-to-use and convenient team division app. It will be useful in many situations such as sports, games, and events.

About

ホイッスル

Features
Read full description

【主な機能】 1タップでホイッスルを鳴らすことができます。 体育の授業やスポーツの試合で審判をするときにご利用ください。 【クレジット】 音楽: 魔王魂 利用規約: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

FlexibleGrouping4 screens
ホイッスル1 screens

Verdict

The call

The clearest difference is in-app purchases: FlexibleGrouping at none against ホイッスル's 2. FlexibleGrouping also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.0). On price, update cadence 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. ホイッスル sells 2 in-app purchases, starting at $1.99 per month. FlexibleGrouping asks for nothing beyond the download.

UpkeepUpdate frequency

FlexibleGrouping ships an update fortnightly, ホイッスル every 10 days. The most recent releases landed on September 8, 2026 and September 5, 2026 respectively.

Scorecard3 real differences · 3 level
FlexibleGrouping versus ホイッスル: the parameters behind the verdict, then further details
ParameterFlexibleGroupingホイッスル
PriceFreeFree
Update frequencyFortnightlyEvery 10 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS12.0 — better15.0
Further details — not scored
Size28 MB14 MB
Age rating4+4+
DeveloperDaiki HiraoNaoki Yahata

In-app purchases

None

FlexibleGrouping

No in-app purchases

2 purchases

ホイッスル

Subscriptions2
  • プレミアムプラン$1.991 Month
  • プレミアムプラン3 Days trial$5.991 Year

Questions

Is FlexibleGrouping free?
FlexibleGrouping is free to download, with no in-app purchases.
Is ホイッスル free?
ホイッスル is free to download, with in-app purchases available.
Do FlexibleGrouping or ホイッスル have ads?
ホイッスル shows ads; FlexibleGrouping does not.
Which is updated more often, FlexibleGrouping or ホイッスル?
FlexibleGrouping ships an update fortnightly, and ホイッスル every 10 days. Most recently, FlexibleGrouping was updated on September 8, 2026 and ホイッスル on September 5, 2026.

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