# GraphicChrono vs oee.ai

The clearest difference is price: oee.ai at Free against GraphicChrono's $1.99. oee.ai also leads on iOS requirement (13.0 vs 15.6). GraphicChrono's advantage is update cadence (every 3 weeks vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

oee.ai is free to download; GraphicChrono costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

GraphicChrono ships an update every 3 weeks, oee.ai every 2 months. The most recent releases landed on September 9, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | GraphicChrono | oee.ai |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Paid | — |
| Size | 5 MB | 23 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Herve Kasparian](https://appshunter.io/developer/1232851521) | [ifp Software GmbH](https://appshunter.io/developer/1747927708) |

## What reviewers say

### GraphicChrono

[App page](https://appshunter.io/ios/app/graphicchrono-lean-tool/id1363785063)

This tool allows users to simultaneously time and categorize activities. It features a cycle function to calculate the average time for each step within a recurring process, aiding in performance analysis.

**Highlights:** Simultaneous timing and activity type indication, Cycle feature for mean time calculation, Analysis of mean cycle time, Dispersion of cycle time analysis, Activity categorization

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### oee.ai

[App page](https://appshunter.io/ios/app/oeeai/id6503070126)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GraphicChrono free?

GraphicChrono costs $1.99, with no in-app purchases.

### Is oee.ai free?

oee.ai is free to download, with no in-app purchases.

### Do GraphicChrono or oee.ai have ads?

Neither GraphicChrono nor oee.ai shows ads.

### Which is updated more often, GraphicChrono or oee.ai?

GraphicChrono ships an update every 3 weeks, and oee.ai every 2 months. Most recently, GraphicChrono was updated on September 9, 2026 and oee.ai on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*