Zulip vs Profit Timer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Zulip
This app provides organized team chat for groups of any size, enabling users to read and respond to messages in context. It helps maintain focus by allowing users to catch up on topics of interest at their own pace. The application is open-source and available as a cloud service or self-hosted solution.
- Organized team chat
- Contextual message reading
- Topic-based conversations
- Focus maintenance
- Open-source software
- Cloud and self-hosted options
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Zulip (https://zulip.com/) helps teams of all sizes be more productive together, from a few friends hacking on a new idea, to globally distributed organizations with hundreds of people tackling the world's hardest problems. Unlike other chat apps, Zulip lets you read and respond to every message in context, no matter when it was sent. Maintain your focus and then catch up on your own time, reading the topics you care about, and skimming or skipping the rest. Like everything Zulip, this official Zulip mobile app is 100% open-source software: https://github.com/zulip/zulip-flutter . Thank you to the hundreds of contributors who have made Zulip what it is! Zulip is available as a managed cloud service or a self-hosted solution. Please send questions, comments, and bug reports to support@zulip.com, or tweet @zulip.
Profit Timer
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Profit Timer is the ultimate tool for freelancers, contractors, and everyone working in data annotation or AI training. Stop guessing your earnings and start tracking your success in real-time. Whether you need to monitor your hourly rate, calculate tax reserves, or generate professional invoices for your clients, Profit Timer is designed to keep your workflow simple and your finances transparent. KEY FEATURES: • LIVE EARNINGS Watch your income grow second by second based on your customized hourly rate. Take breaks without losing your session data. • PROFESSIONAL PDF INVOICES Generate and export polished, ready-to-send invoices with a single tap. Group your work by month or year to keep clients and tax authorities happy. • SMART FINANCIAL INSIGHTS Get a clear overview of your total time, average hourly rate, and most importantly: your actual net profit after automatically calculated tax reserves. • AUTOMATIC CURRENCY CONVERSION Working in USD but living in the EUR zone? Profit Timer handles live exchange rates for you, showing exactly what you earn in your home currency. • PRIVACY FIRST (NO CLOUD) Your data belongs to you. All work sessions, rates, and personal details are stored 100% locally on your device. We do not track you, and we have no access to your earnings. Download Profit Timer today and take full control of your freelance business! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Zulip at none against Profit Timer's 3. Zulip also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). Profit Timer's advantage is update cadence (every 3 days vs monthly). On price and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Profit Timer sells 3 in-app purchases, starting at $1.99 per month. Zulip asks for nothing beyond the download.
Zulip ships an update monthly, Profit Timer every 3 days. The most recent releases landed on August 21, 2026 and September 14, 2026 respectively.
| Parameter | Zulip | Profit Timer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (16 ratings) — better | — |
| Positive reviews | 39.3% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Monthly | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 44 MB | 12 MB |
| Age rating | 12+ | 4+ |
| Developer | Kandra Labs, Inc. | Benjamin Fahrwald |
In-app purchases
Zulip
No in-app purchases
Profit Timer
- Profit Timer Pro$1.991 Month
- Profit Timer Pro7 Days trial$14.991 Year
- Profit Timer Pro (Lifetime)$34.99
