Comparison

Three vs Plusm

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

Head to head
About

Three

Features
Read full description

WELCOME TO THREE Most to-do lists don’t make you productive, they make you feel behind. Three is a minimal daily planner that helps you focus on what actually matters. Just set 3 tasks per day. No overwhelm. No pressure. Just progress. HOW IT WORKS β€’ Plan up to 3 tasks each day β€’ Stay focused on what matters β€’ Check them off and feel accomplished β€’ Look back and see your progress WHY ONLY 3 TASKS? Because simple works. β€’ Small enough to stay stress-free β€’ Big enough to make real progress β€’ Easy to turn into a daily habit WHO IT’S FOR β€’ People who feel overwhelmed by long to-do lists β€’ Creatives, students, and remote workers β€’ Anyone who wants more clarity and less stress MINIMAL EFFORT. REAL PROGRESS. Stop trying to do everything. Start finishing what matters. EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Plusm

Features
Read full description

Plusm is a notepad-style calculator that lets you type the way you think. No buttons. No formulas. Just type plain text and see results instantly β€” right next to each line. CALCULATE NATURALLY Write math like you would on paper. Mix numbers, labels, and notes freely: Rent: $1,450 Groceries: 320 + 45.50 Total: $1,450 + 365.50 CONVERT ANYTHING Currencies, units, and more β€” just type it: 250 USD to EUR 5.8 feet to cm 72Β°F to Β°C 0.5 BTC to USD WORK WITH DATES today + 90 days March 1 - January 15 USE VARIABLES price = 299 price + 8.5% AND MORE now in Tokyo sqrt(144), sin(45) 0xFF, 0b1010 ORGANIZE WITH PAGES Keep separate calculations in named pages β€” monthly budget, trip planning, work hours. Everything saves automatically. MENU BAR MODE Access Plusm from your menu bar with one click. Quick calculations without leaving what you're doing. BUILT FOR YOU Native app. Dark mode. Keyboard-first. Fast and lightweight. Plusm Pro unlocks unlimited pages, currency & crypto conversion, and menu bar mode. Free version includes full math, unit conversion, and three pages. Terms of Use: https://plusm.app/terms EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Three4 screens
Plusm3 screens

Verdict

The call

The clearest difference is update cadence: Three at every 8 days against Plusm's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Three sells 1 one-off in-app purchase and Plusm sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Three ships an update every 8 days, Plusm every 5 months. The most recent releases landed on October 14, 2026 and October 13, 2026 respectively.

Scorecard1 real difference Β· 5 level
Three versus Plusm: the parameters behind the verdict, then further details
ParameterThreePlusm
PriceFreeFree
Update frequencyEvery 8 days β€” betterEvery 5 months
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, Mac
Requires iOS18.218.0 β€” better
Further details β€” not scored
Size2 MB4 MB
Age rating4+4+
DeveloperDaniel SchmidtEgor Sigaev

In-app purchases

1 purchases

Three

One-time1
  • Three Pro (Lifetime)$3.99
3 purchases

Plusm

Subscriptions2
  • Plusm Pro Monthly7 Days trial$2.991 Month
  • Plusm Pro Yearly7 Days trial$17.991 Year
One-time1
  • Plusm Pro Lifetime$24.99

Questions

Is Three free?
Three is free to download, with in-app purchases available.
Is Plusm free?
Plusm is free to download, with in-app purchases available.
Do Three or Plusm have ads?
Neither Three nor Plusm shows ads.
Which is updated more often, Three or Plusm?
Three ships an update every 8 days, and Plusm every 5 months. Most recently, Three was updated on October 14, 2026 and Plusm on October 13, 2026.

Other comparisons