Comparison

ONE vs First Thingy

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

Head to head
About

ONE

Features
Read full description

Everyone deals with a lot of responsibilities, Studies show that switching between tasks reduces efficiency by up to 40%. ONE THING recovers this wasted time by forcing attention onto a single point. Focus one thing at a time and you'll see how your 100 tasks reduce to 0. helps you track how much time you spend on task and helps you gain the habit of doing your chores regularly.

About

First Thingy

Features
Read full description

Most productivity apps give you more ways to make longer lists. One Thing gives you one task. Set the one thing that matters most right now. Work on it. When you're done, mark it complete. If you give up, you have to say why — in your own words, saved permanently. That's it. Why only one task? Because you can only do one thing at a time anyway. The list is the lie. One Thing removes the lie. Why must you explain yourself? Because excuses are easy when no one is watching. One Thing is watching. Not to judge — to help you see the patterns you hide from yourself. The Honest Record Every task you've set, completed, or abandoned lives here. No editing. No deleting. Just the truth about how you spend your time and attention. Features: • Set one active task at a time — enforced • Abandoning requires a written explanation • Permanent honest record of all your tasks • Daily reminder at a time you choose • Light and dark mode • No account needed, no cloud sync, no tracking Your data stays on your device. Always.

Screenshots

ONE3 screens
First Thingy4 screens

Verdict

The call

The clearest difference is ads: First Thingy at none against ONE's shown. On price, in-app purchases, 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. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 4 level
ONE versus First Thingy: the parameters behind the verdict, then further details
ParameterONEFirst Thingy
PriceFreeFree
AdsYesNo — better
In-app purchasesNoNo
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size63 MB36 MB
Age rating4+4+
DeveloperPablo PaezANTON KENT GUNNAR KARLSSON

In-app purchases

None

ONE

No in-app purchases

None

First Thingy

No in-app purchases

Questions

Is ONE free?
ONE is free to download, with no in-app purchases.
Is First Thingy free?
First Thingy is free to download, with no in-app purchases.
Do ONE or First Thingy have ads?
ONE shows ads; First Thingy does not.

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