Comparison

InstantTODO vs SUGU!

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

Head to head
About

InstantTODO

This is a straightforward to-do list application designed for users who struggle with remembering tasks. It features persistent alarms to ensure nothing is forgotten, simple one-tap task addition, and easy management through swiping and holding. It also offers iCloud backup and synchronization.

Highlights
  • Persistent alarms
  • One-tap task addition
  • Simple single list
  • iCloud backup and sync
  • Easy sorting and deletion
  • Customizable backgrounds
Features
Read full description

Easy to use, and a TODO app that never forgets TODO! TODO app doesn't really know how to operate.... It's too difficult to use, and you forget the TODO you added... This is a simple TODO app that is perfect for people like that. [ Features ] - Automatic synchronization with iPad. - Simple with one list. - Add a TODO with one tap! - The alarm is so persistent that you never forget your TODO. - The characters are interesting and informative. - Automatic Backup & Sync with iCloud - Press and hold for easy sorting - Just slide it to the left to delete it! - A variety of backgrounds are available (some premium members only) - No extra features at all. PRIVACY POLICY and TERMS OF USE: https://help.toconakis.jp/?page_id=2163

About

SUGU!

Features
Read full description

SUGUは、タスクを登録するだけで締切に向けて 自動的に通知頻度を調整してくれるタスク管理アプリです。 やるべきことを忘れない。でも、通知がうるさすぎない。 ちょうどいいペースでリマインドし続けます。 3つの分類で、今やるべきことが一目瞭然 すぐやる ー 今すぐ取りかかりたいタスク 今日中 ー 締切に向けて自動でリマインド 明日中 ー 翌日から通知スタート 締切が近づくにつれて、自動でペースを上げてお知らせ。 大事なタスクを見逃しません。 もちろんそのペースも自分に合わせてカスタマイズ可能! 通知間隔・締切時間・通知終了時間・休日設定まで、 自分のライフスタイルに合わせて設定できます。 タスク管理を、もっとシンプルに。もっとスマートに。 SUGUで、「やること」を着実に片付けていきましょう。 【サブスクリプションについて】 すべての機能をご利用いただくにはサブスクリプションの購入が必要です。 ・月額プラン:¥200/月 ・初月無料トライアルあり ・サブスクリプションは自動更新されます ・キャンセルはiOS設定 → Apple ID → サブスクリプションから行えます 利用規約(EULA):https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

InstantTODO4 screens
SUGU!4 screens

Verdict

The call

The clearest difference is ads: SUGU! at none against InstantTODO's shown. On price, update cadence, 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. InstantTODO sells 2 in-app purchases, starting at $2.49 per month and SUGU! sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

InstantTODO ships an update every 6 weeks, SUGU! monthly. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
InstantTODO versus SUGU!: the parameters behind the verdict, then further details
ParameterInstantTODOSUGU!
PriceFreeFree
Rating4.9 (8 ratings) — better—
Positive reviews77.5% of reviews—
Number of ratings8 — better—
Update frequencyEvery 6 weeksMonthly — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.617.6 — better
Further details — not scored
Size78 MB2 MB
Age rating4+4+
DeveloperflickfrogMano Kentaro

Bugs and requests

InstantTODO

Reported bugs

14 issues
  • App stops opening
  • App becomes unusable
  • Notes disappear
  • Input area becomes unresponsive
  • Order of tasks changes automatically
Show 9 more
  • Tasks disappear automatically
  • Notification sound not working
  • Screen tap required to see notifications
  • Input screen '+' button causes screen to close
  • App opens briefly then closes
  • App opens briefly then closes after not being used for a few days
  • App opens briefly then closes after premium registration
  • App opens briefly then closes after reinstalling
  • App opens briefly then closes after adding one task

Requested features

7 requests
  • Calendar integration or Google Calendar sync
  • More characters and backgrounds, especially cats
  • Option to have tasks repeat without limit
  • Ability to input a single emoji
  • A way to be praised upon task completion
Show 2 more
  • Lower price for the premium plan
  • All features to be free

SUGU!

Not enough reviews yet to summarise bugs or requests.

In-app purchases

2 purchases

InstantTODO

Subscriptions2
  • Premium Plan$2.491 Month
  • Premium Plan(Annual)$23.491 Year
1 purchases

SUGU!

Subscriptions1
  • Monthly Plan1 Month trial$0.991 Month

Questions

Is InstantTODO free?
InstantTODO is free to download, with in-app purchases available.
Is SUGU! free?
SUGU! is free to download, with in-app purchases available.
Do InstantTODO or SUGU! have ads?
InstantTODO shows ads; SUGU! does not.
Which is updated more often, InstantTODO or SUGU!?
InstantTODO ships an update every 6 weeks, and SUGU! monthly. Most recently, InstantTODO was updated on November 3, 2026 and SUGU! on October 31, 2026.

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