Cactus Chat vs DevStack Tools
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cactus Chat
Engage in private conversations with an AI directly on your device. This application runs offline, ensuring your data remains secure and local. Developers can also utilize it to test and compare the performance of different large language models.
- Offline AI conversations
- Private data storage
- Developer LLM benchmarking
- Runs directly on device
- Free to use
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Offline, private AI. Cactus Chat lets you talk to AI, directly on your phone. This means it's free, runs offline, and your data stays on your device. If you're a developer, use Cactus to benchmark the latency and throughput of various LLMs.
DevStack Tools
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DevStack is the ultimate offline toolbox designed specifically for developers. Stop pasting your sensitive data, JSONs, and JWT tokens into random websites! DevStack brings all your essential daily utilities into one blazing-fast, privacy-first application that works entirely offline. Features include: • Formatters & Minifiers (JSON, XML, SQL, JavaScript) • Encoders & Decoders (Base64, URL, JWT) • Generators (UUID, Hash, QR Code, Lorem Ipsum) • Converters (Number Base, Date & Time) • Text Utilities (Regex Tester) • Design Tools (Color Picker) Boost your productivity and keep your data safe today with DevStack!
Screenshots
Verdict
The clearest difference is iOS requirement: DevStack Tools at 13.0 against Cactus Chat's 15.1. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Cactus Chat ships an update monthly, DevStack Tools every 6 weeks. The most recent releases landed on September 19, 2026 and September 9, 2026 respectively.
| Parameter | Cactus Chat | DevStack Tools |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 43 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Roman Shemet | Man Sao Ng |
In-app purchases
Cactus Chat
No in-app purchases
DevStack Tools
No in-app purchases
