Comparison

Trial&Error vs inkling

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

Head to head
About

Trial&Error

Read full description

Trail and error is an app that looks back on what you have done and how you can modify your actions to better achieve your goals. You can use this app like how you would use a sticky note on a board. Organize your thoughts and categorize them into what you have already tried , what you were able to accomplish, what you can try next. Similar to the KPT (keep, problem, try) method, this is a retrospective method. The content entered is saved on your device. not sent to a server. Making your data secure. Alternatively you can upload your note to iCloud for backup. In the future, if the number of users increases, we may add a function to share / post the described data, but when adding the function, sharing / posting will be executed by the user's operation. Details will be described in the version upgrade information. The functions of this application are as follows. [Function] ・List multiple things you want to achieve ・ A list of trial and error actions is displayed, such as "What to try", "What you could do", "What you understood", "What to do next". ・ Backup to iCloud and data loading from iCloud. [Terms of use] https://oz-app.blogspot.com/p/blog-page_5.html (You can switch languages ​​from Translate at the top of the page.) [Privacy policy] https://oz-app.blogspot.com/p/blog-page_38.html (You can switch languages ​​from Translate at the top of the page.)

About

inkling

Features
Read full description

inkling is a minimal notebook for fleeting thoughts. Open, write, done — no friction, no clutter. QUICK NOTES One clean panel. Jot anything, tag it with a tap. No folders, no required titles. VOICE CAPTURE Speak and watch your words appear — live transcription with the original audio kept for playback. Ideas survive walks, drives, and 2 a.m. DREAM JOURNAL Wake up, say it, keep it. No typing through half-open eyes — your dream lands in its own "Dreams" category, transcribed, with the original audio saved. Catch the details before they fade. REAL TEMPLATES Cornell notes, checklists, and review grids give meetings, study sessions, and retrospectives a proper home. CALENDAR & STATS Look back day by day on a calendar; see your writing streaks and habits at a glance. THEMES & LANGUAGES Hand-tuned color themes. Available in English, 简体中文, 繁體中文, 日本語, 한국어, and Español. PRIVATE BY DESIGN Every note stays on your device. No account, no cloud upload. A one-time purchase removes ads forever. Turn passing thoughts into notes that stay.

Screenshots

Trial&Error3 screens
inkling4 screens

Verdict

The call

The clearest difference is update cadence: Trial&Error at weekly against inkling's fortnightly. Trial&Error also leads on iOS requirement (15.4 vs 18.0). On price, ads, 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. Trial&Error sells 2 in-app purchases, starting at $0.49 per month and inkling sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Trial&Error ships an update weekly, inkling fortnightly. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level
Trial&Error versus inkling: the parameters behind the verdict, then further details
ParameterTrial&Errorinkling
PriceFreeFree
Update frequencyWeekly — betterFortnightly
AdsYesYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.4 — better18.0
Further details — not scored
Size17 MB7 MB
Age rating4+4+
DeveloperNaruhito OzawaKe Tong

In-app purchases

2 purchases

Trial&Error

Subscriptions1
  • Monthly fee$0.491 Month
One-time1
  • PremiumPlan(onetime-purchase)$2.99
1 purchases

inkling

One-time1
  • Remove Ads$1.99

Questions

Is Trial&Error free?
Trial&Error is free to download, with in-app purchases available.
Is inkling free?
inkling is free to download, with in-app purchases available.
Do Trial&Error or inkling have ads?
Both Trial&Error and inkling show ads.
Which is updated more often, Trial&Error or inkling?
Trial&Error ships an update weekly, and inkling fortnightly. Most recently, Trial&Error was updated on October 17, 2026 and inkling on October 25, 2026.

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