Comparison

Thetis Tools vs Tab ToDo

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

Head to head

Simple Tabbed ToDo List

Free

📊 Productivity

No ratingsView app →

About

Thetis Tools

Features

Read full description

Applicazione Ufficiale per la piattaforma di asta live Thetis Tramite questa applicazione i clienti thetis possono trasmettere in diretta live il video della propria sessione d'asta all'applicativo asta live Thetis

About

Tab ToDo

Features

Read full description

We have a simple, yet convenient tabbed ToDo list. ・You can save a number of checklists that you often use on tabs. ・You can create a new list by combining the lists created earlier. ・The checklist can be initialized and used many times. ・You can set notifications for each tab. ◆Terms of Service for "Tab ToDo" Premium https://henahena-se.blogspot.com/2020/06/terms-of-service-for-tab-todo-app-todo.html

Screenshots

Thetis Tools3 screens

Tab ToDo4 screens

Verdict

The call

The clearest difference is in-app purchases: Thetis Tools at none against Tab ToDo's 1. Thetis Tools also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement 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. Tab ToDo sells 1 in-app purchase, starting at $1.49 per year. Thetis Tools asks for nothing beyond the download.

UpkeepUpdate frequency

Thetis Tools ships an update every 7 months, Tab ToDo every 4 months. The most recent releases landed on October 26, 2026 and October 20, 2026 respectively.

Scorecard2 real differences · 4 level

Thetis Tools versus Tab ToDo: the parameters behind the verdict, then further details
Parameter	Thetis Tools	Tab ToDo
Price	Free	Free
Update frequency	Every 7 months	Every 4 months — better
Ads	No — better	Yes
In-app purchases	No — better	Yes
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	14.0 — better	15.1
Further details — not scored
Size	50 MB	30 MB
Age rating	4+	4+
Developer	Thetis srl	Haruya Nakamura

In-app purchases

None

Thetis Tools

No in-app purchases

1 purchases

Tab ToDo

Subscriptions1

Tab To Do Premium1 Month trial$1.491 Year

Questions

Is Thetis Tools free?

Thetis Tools is free to download, with no in-app purchases.

Is Tab ToDo free?

Tab ToDo is free to download, with in-app purchases available.

Do Thetis Tools or Tab ToDo have ads?

Tab ToDo shows ads; Thetis Tools does not.

Which is updated more often, Thetis Tools or Tab ToDo?

Thetis Tools ships an update every 7 months, and Tab ToDo every 4 months. Most recently, Thetis Tools was updated on October 26, 2026 and Tab ToDo on October 20, 2026.