Decision entries with confidence
Record a prediction while the outcome is still unresolved, including the reasoning behind it and one confidence number.
Reckon
Reckon is a decision journal for iPhone and iPad that records predictions, confidence, and outcomes so you can review how well calibrated your judgments are. It syncs through iCloud, requires no account, and is sold as a one-time purchase.
Decision journaling for outcome tracking and calibration
Reckon is a decision journal and calibration tracker for iPhone and iPad. It is designed to help you write down a prediction before the outcome exists, attach a confidence level, and come back later to see how reality compared with your original call.
The app keeps the original prediction on record, supports brief check-ins while the situation is still changing, and then lets you resolve the entry once the outcome lands. After enough calls have been logged, Reckon surfaces calibration data so you can see whether your confidence levels line up with actual results.
Core capabilities
Progress check-ins
Update a call as circumstances change with a short check-in; each check-in is kept in the record instead of replacing the original entry.
Outcome resolution
Close the loop by marking what actually happened and how satisfied you were with the call.
Calibration tracking
Compare stated confidence against real outcomes so you can see whether your judgments run hot or cold.
Reliability diagram
Use the reliability diagram after enough resolved calls to inspect how your confidence levels map to actual results.
iCloud sync with no account
Sync entries across iPhone and iPad through iCloud without creating an account.
Common ways to use Reckon
High-stakes personal decisions
Capture a significant choice before the result is known, including what you expect and how confident you are, so you can review the decision later against the actual outcome.
Repeated forecasting and self-review
Keep a record of recurring judgment calls and compare your confidence over time, which can reveal patterns of overconfidence or caution across repeated decisions.
Long-running decisions with changing signals
Use the check-in flow for situations that evolve over time, where the original call should remain visible but the confidence may need to move up or down as new information arrives.
Calibration practice
Review a series of resolved entries to understand where your estimates are well calibrated and where they consistently miss reality.
Single-user mobile journaling
Maintain the same journal on iPhone and iPad without managing an account, while relying on iCloud to keep entries in sync.
Pros and Cons
Pros
- Tracks predictions, confidence, and outcomes in one place.
- Preserves the original prediction so hindsight does not overwrite it.
- Includes brief check-ins to capture changes over time.
- Shows calibration after enough resolved calls are recorded.
- Works across iPhone and iPad with iCloud sync and no account.
Cons
- The product page does not describe advanced export, team collaboration, or reminder features.
- Calibration insights depend on accumulating a meaningful number of resolved calls, so the app is most useful after repeated use.
FAQ
What is Reckon?
Reckon is a decision journal for iPhone and iPad. You record what you predict, how confident you are, and what actually happened, then review calibration after enough resolved calls accumulate.
How is it different from a notes app?
It is built around predictions, confidence, and outcomes rather than plain notes. That lets it compare stated confidence with reality and show where you tend to be over- or under-confident.
What does calibration mean in this app?
Calibration is the match between confidence and outcomes. Reckon tracks that match from your own decisions so you can see whether, for example, your 70% calls come true about 70% of the time.
Does Reckon need an account?
No. The page says there is no account and no backend; data stays on your device and syncs across iPhone and iPad through iCloud.
How does pricing work?
Reckon is sold as a one-time purchase with no subscription. The page says iCloud sync is included.
Quick Facts
- Category
- Productivity
- Platform
- iPhone and iPad
- Product type
- Decision journal / calibration tracker
- Pricing
- One-time purchase; no subscription
- Account required
- No
- Sync
- iCloud
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