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Version
1.0
Size
3.41 Mb
Updated
2 weeks ago
Released
18 Aug 2026
Description
You think people will say no. You are probably wrong — and you have never measured it.
NoJar is a 30-day self-experiment. Before each ask, you lock in a prediction: the chance they say yes, from 0 to 100%. Afterwards, you log what actually happened. Predictions are immutable once saved — that is what keeps your data honest. After 15 resolved asks, NoJar shows you the gap between what you predicted and what people actually said. Not a study. Your own numbers.
THE SCORE IS INVERTED
Your weekly target is rejections collected, not asks made. A yes is a miss. The quota only moves on a no. Removing the failure state is what removes the avoidance.
PREDICT, ASK, RESOLVE, CALIBRATE
— Write the ask and lock in your prediction before you go
— Resolve it after: they said yes, they said no, or you chickened out
— A no scores. Confetti included
— A dodge is never shamed. Logged. That's data too
YOUR CALIBRATION, MEASURED
— A plain-language headline: what you predicted on average against how often people said yes
— A reliability chart of predicted probability against real outcomes
— An accuracy score with a trend against your last stretch of asks
— Your dodge rate by predicted probability — the chart that shows where your nerve actually breaks
The app also states its own limits: self-selected asks are not a random sample, and the screen says so.
128 CURATED ASKS
Four difficulty tiers, from asking a café for tap water to asking your manager for a raise. No stunts, no pranks, nothing that pressures anyone or targets people who can't decline freely.
A FINISH LINE, NOT A TREADMILL
NoJar is a 30-day programme. On day 30 you get a report: total asks, no's collected, dodge rate, calibration drift week by week, and the successful ask you rated lowest — the one that mattered. Shareable as an image. After that, the app keeps working but stops nagging. No daily streaks, ever.
PRIVATE BY ARCHITECTURE
No account. No sign-up. No server. No analytics or tracking of any kind. Your asks — which are often personal — stay in a protected store on your device. App Store privacy label: Data Not Collected.
ONE PAYMENT, NO SUBSCRIPTION
Free to try: log up to 10 asks and browse the first two tiers of the library. A single one-time purchase unlocks unlimited asks, the full calibration screen, the Day 30 report, every library tier, and CSV export of your data.
Three quiet notifications, all optional: a reminder to resolve open asks, a week-close note if the quota isn't met, and one when your Day 30 report is ready. NoJar never tells you to go be brave.
Not a treatment: NoJar is a curiosity experiment. If asking things causes you real distress, a therapist is a better tool than an app.
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Built with love for the Apple ecosystem. Native SwiftUI.
Questions or feedback? We'd love to hear from you.
https://nojar.kos.codes/support
Terms of Use:
https://nojar.kos.codes/terms
Privacy Policy:
https://nojar.kos.codes/privacy
Estimates
Availability
Devices
iPhone5s
iPadAir
iPadAirCellular
iPadMiniRetina
iPadMiniRetinaCellular
iPhone6
iPhone6Plus
iPadAir2
iPadAir2Cellular
iPadMini3
iPadMini3Cellular
iPodTouchSixthGen
iPhone6s
iPhone6sPlus
iPadMini4
iPadMini4Cellular
iPadPro
iPadProCellular
iPadPro97
iPadPro97Cellular
iPhoneSE
iPhone7
iPhone7Plus
iPad611
iPad612
iPad71
iPad72
iPad73
iPad74
iPhone8
iPhone8Plus
iPhoneX
iPad75
iPad76
iPhoneXS
iPhoneXSMax
iPhoneXR
iPad812
iPad834
iPad856
iPad878
iPadMini5
iPadMini5Cellular
iPadAir3
iPadAir3Cellular
iPodTouchSeventhGen
iPhone11
iPhone11Pro
iPadSeventhGen
iPadSeventhGenCellular
iPhone11ProMax
iPhoneSESecondGen
iPadProSecondGen
iPadProSecondGenCellular
iPadProFourthGen
iPadProFourthGenCellular
iPhone12Mini
iPhone12
iPhone12Pro
iPhone12ProMax
iPadAir4
iPadAir4Cellular
iPadEighthGen
iPadEighthGenCellular
iPadProThirdGen
iPadProThirdGenCellular
iPadProFifthGen
iPadProFifthGenCellular
iPhone13Pro
iPhone13ProMax
iPhone13Mini
iPhone13
iPadMiniSixthGen
iPadMiniSixthGenCellular
iPadNinthGen
iPadNinthGenCellular
iPhoneSEThirdGen
iPadAirFifthGen
iPadAirFifthGenCellular
iPhone14
iPhone14Plus
iPhone14Pro
iPhone14ProMax
iPadTenthGen
iPadTenthGenCellular
iPadPro11FourthGen
iPadPro11FourthGenCellular
iPadProSixthGen
iPadProSixthGenCellular
Pricing by country
| Country | Price |
|---|---|
| Canada | free |
| China | free |
| France | free |
| Germany | free |
| Italy | free |
| Netherlands | free |
| Portugal | free |
| Spain | free |
| UK | free |
| India | free |
| Japan | free |
| Korea, Republic Of | free |
| Poland | free |
| Russia | free |
| Turkey | free |
| USA | free |
| Ukraine | free |
