---
title: "billing – Chrome extensions from this developer"
description: "4 Chrome extensions from the publisher account of billing, with 29,229 users in all."
url: "https://extensiontracker.com/developer/ub0e3a1c8f931f6ff1bae2779c5783308"
---

# billing

- Extensions: 4
- Users in all: 29,229
- First published: 2021-11-22
- Publisher account: `ub0e3a1c8f931f6ff1bae2779c5783308`

Extensions are grouped by the store's own publisher account ID, so a developer who uses several accounts appears on several pages. Live extensions come first, most users first.

| Extension | Category | Users | Rating | Updated | Status |
| --- | --- | ---: | ---: | --- | --- |
| [Examlock lite](https://extensiontracker.com/extension/jioikfeafcclikkdbekieliifijogfhd) | Accessibility | 20,000 | 4.67 | 2026-08-10 | Live |
| [ProvLock](https://extensiontracker.com/extension/fpcafbmbnikhpmjocmpbbmicniieeihm) | Accessibility | 9,000 | 5.00 | 2026-05-11 | Live |
| [Provlock lite](https://extensiontracker.com/extension/eodnhaoepilmdbionlmofolojbeelfai) | Accessibility | 229 | 5.00 | 2026-08-27 | Live |
| [ExamRoom.AI](https://extensiontracker.com/extension/acbabkahihnlnpajiajhimlkihphdbfi) | Accessibility | – | 2.60 | 2026-02-27 | Live |

---

From Extension Tracker, a public record of the Chrome Web Store: <https://extensiontracker.com/developer/ub0e3a1c8f931f6ff1bae2779c5783308>. It isn't affiliated with Google. The data is free to reuse under CC BY 4.0 (<https://creativecommons.org/licenses/by/4.0/>), crediting Extension Tracker. Every page except search comes as Markdown too: add `format=md` to the address, as in `https://extensiontracker.com/extension/{id}?format=md`.