Evaluating apps

This page describes product principles and review policy. These thresholds are not universal enforcement in every SDK or receiver. Check the relevant integration contract and confirm current approval requirements with the Timeback team.

Timeback operates on a simple principle: if students are not learning, it is the system’s fault. Apps are evaluated the same way.

Dimension	What matters
Granularity	One teachable unit at a time
Instruction quality	Clear explanations, worked examples, minimal noise
Mastery truthfulness	”Completed” means mastered
Coverage and rigor	Aligned to real external tests
Efficiency	Fewer hours to reach the same verified outcome
Hole-filling compatibility	Targeted remediation is possible when gaps show up

If an app performs well on engagement but poorly on externally validated outcomes, the closed loop forces the conversation back to instruction, mastery, and signal integrity.

Non-negotiables

The rules every app must follow.

Integration levels

Level 1 vs Level 2 requirements.

⌘I

Overview

For developers

Concepts

Non-negotiables

Integration levels