# ThreePointEst

> ThreePointEst (iPhone/iPad app by Gaston Santiago.)

- Source: https://appshunter.io/ios/app/threepointest/id870062411 (this page in markdown: same URL + `.md`)
- Developer: [Gaston Santiago](https://appshunter.io/developer/315770259)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 7.1 · 1 MB
- Languages: English
- Released: 2014-05-02
- Data updated: 2026-06-03
- User reviews in markdown: https://appshunter.io/ios/app/threepointest/id870062411/reviews.md

## What is ThreePointEst?

ThreePointEst is a utility app that calculates the PERT-based three point estimation technique, which allows for a more accurate estimation than just by single point methods of estimation.  Use this app to estimate time, duration, cost, or practically anything that needs estimation.

FEATURES:

* Use a slider to control the decimal precision (up to 10 digits)
* Easily toggle between positive and negative input values.
* Computes the standard deviation (SD) in addition to the three point estimate.
* Numeric-only input keyboard minimizes user input errors.


## Version history (last 1 release)

### 1.0 — 2014-05-02

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-03.*