Comparison

Biona vs Tether

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

Head to head
About

Biona

This offline planner helps you manage your day, organize tasks, track goals, and log your mood privately. It offers a simple, clutter-free experience without requiring an account or internet connection.

Highlights
  • Offline functionality
  • No account required
  • Task management
  • Goal tracking
  • Mood logging
  • Integrated dashboard
Read full description

Biona is an offline daily planner, task manager, goal tracker, and mood journal with no account required. Plan your day, organize tasks, track meaningful goals, and log your mood privately on your device. Biona is designed for people who want a calm personal productivity app without sign-ups, accounts, or unnecessary complexity. Biona works offline, so you can manage your day anywhere without depending on an internet connection. There is no account to create, no login to remember, and no complicated setup before you can start planning. Features: - Works offline. - No account or sign-up required. - Create and organize your tasks. - Pin tasks that do not need a due date. - Turn ideas into structured goals with clear action steps. - Log your mood once per day. - See insights for tasks, goals, and mood in one dashboard. - Switch between light mode and dark mode. Privacy Policy: https://aroapps.dev/biona/privacy-policy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Tether

This app helps individuals with ADHD manage their tasks and focus by visualizing their day with time blocks. It breaks down overwhelming tasks into smaller steps and offers a focus timer with calming sounds. Users can track energy levels to plan demanding activities more effectively.

Highlights
  • Visual time blocks for daily planning
  • Task breakdown into small steps
  • Energy level tracking for tasks
  • Full-screen focus timer with background sound
  • Apple Calendar sync
  • Voice task input
Features
Read full description

Feel overwhelmed by everything you need to do? Tether is a visual planner built for ADHD and easily overwhelmed minds. Instead of endless to-do lists, you see your day as simple blocks of time — and make progress one step at a time. SEE YOUR DAY • Visual time blocks — your whole day at a glance, not a bottomless list • Drag to reschedule — move things around without friction or guilt • Energy tracking — learn which tasks drain you and which recharge you • Apple Calendar sync — meetings and tasks on one timeline GET UNSTUCK • Turn overwhelming tasks into tiny, doable steps • Add tasks just by speaking, in your own words • Get gentle schedule suggestions when you don't know where to start (Optional — only when you need extra help.) FOCUS BETTER • A full-screen focus timer with calming background sound • A gentle nudge when you've lost track of time • A lock-screen Live Activity so you always know what's next • 7 themes to make it feel like yours Every task has an energy level, from draining to recharging. Tether shows your weekly and monthly balance so you understand why some days feel impossible — and plan the hard things for when you actually have energy. TETHER PREMIUM Unlock voice capture, task breakdown, schedule suggestions, themes, advanced energy insights, and calendar sync. Choose monthly, yearly, or a one-time lifetime purchase. Download Tether free. Start where you are. Build momentum one block at a time. Tether offers monthly and yearly subscriptions, plus a one-time lifetime purchase. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel anytime in your App Store account settings. Terms of Use: https://tether-web-cyan.vercel.app/terms.html Privacy Policy: https://tether-web-cyan.vercel.app/privacy.html

Screenshots

Biona4 screens
Tether4 screens

Verdict

The call

The clearest difference is rating: Tether at 5.0 against Biona's 3.0. Tether also leads on update cadence (every 4 days vs every 2 weeks). On price, ratings volume, ads and in-app purchases 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. Biona sells 1 one-off in-app purchase and Tether sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Tether holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 2 respectively.

UpkeepUpdate frequency

Biona ships an update every 2 weeks, Tether every 4 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 7 level
Biona versus Tether: the parameters behind the verdict, then further details
ParameterBionaTether
PriceFreeFree
Rating3.0 (2 ratings)5.0 (2 ratings) — better
Number of ratings22
Update frequencyEvery 2 weeksEvery 4 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone
Requires iOS18.018
Further details — not scored
Size9 MB34 MB
Age rating4+4+
DeveloperOmar JadianiSanket Ray

In-app purchases

1 purchases

Biona

One-time1
  • Biona Pro Lifetime$9.99
6 purchases

Tether

Subscriptions4
  • Tether Plus$2.991 Month
  • Tether Premium$7.991 Month
  • Tether Plus$29.991 Year
Show 1 more
  • Tether Premium$44.991 Year
One-time2
  • Tether Plus$49.99
  • Tether Premium$124.99

Questions

Is Biona free?
Biona is free to download, with in-app purchases available.
Is Tether free?
Tether is free to download, with in-app purchases available.
Which has better reviews, Biona or Tether?
Tether is rated higher. Biona averages 3.0 out of 5 from 2 ratings, while Tether averages 5.0 from 2 ratings.
Do Biona or Tether have ads?
Neither Biona nor Tether shows ads.
Which is updated more often, Biona or Tether?
Biona ships an update every 2 weeks, and Tether every 4 days. Most recently, Biona was updated on October 16, 2026 and Tether on October 25, 2026.

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