# Appen vs DeepAstro

Appen records 665,840 monthly visits with +0.2% month-over-month growth and Contact for Pricing pricing. DeepAstro records 1,913 monthly visits with +33.4% growth and Freemium, Contact for Pricing pricing.

| Metric | [Appen](https://openaitools.app/tool/appen-com) | [DeepAstro](https://openaitools.app/tool/deepastro) |
| :--- | :--- | :--- |
| Website URL | https://appen.com | https://deepastro.app |
| Categories | AI Models, Large Language Models (LLMs), AI Developer Tools | AI Map Generator |
| Pricing Model | Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 665,840 | 1,913 |
| MoM Growth Rate | +0.2% | +33.4% |
| Primary Market | United States | France |
| Direct Visits | 238,314 | 607 |
| Review Score | 4.4 | 3.9 |
| Saved Count | 2 | 0 |
| Supported Platforms | Website | Website |

## Appen

Appen is one of the oldest pure-play AI data companies, tracing its roots to 1996 when it began building human-labeled datasets for speech recognition and NLP. Over three decades it supported successive generations of model development — search relevance in the 2000s, machine translation, deep-learning vision annotation, Transformer-era semantics, GPT-3 scale corpora, RLHF for conversational AI, and now agentic and multimodal foundation models.

Today Appen positions itself around six specialised capability areas: Frontier Alignment (chain-of-thought reasoning traces, SME RLHF, supervised fine-tuning demonstrations, adversarial red teaming), Agentic AI (golden trajectories, RL environment design, failure-mode taxonomies, SWE-driven evaluation), Multimodal and Speech AI (multilingual ASR and conversational corpora, expressive TTS annotation, VLM training data, video action labelling), Physical AI (LiDAR point-cloud annotation, multi-camera sensor fusion, robotics demonstration trajectories, world-model rollouts), Model Integrity (hallucination benchmarking, bias detection, regulatory audits and continuous monitoring), and Research Services (context engineering, calibrated LLM-as-a-judge, synthetic data and custom benchmarking).

Delivery runs through Appen's AI Data Platform (ADAP), which blends automation with human oversight, and the company cites SOC 2 and ISO 27001 certification, 500+ global locales, and a client roster that includes major cloud, search, retail and aerospace organisations. Appen does not publish self-serve pricing; engagements start with a scoping conversation and are quoted per project, so cost depends on data volume, language coverage, modality and annotation complexity.

**Pricing & Plans:** Enterprise/contact-for-pricing. Appen does not publish self-serve plans; projects are scoped and quoted individually. Appen also sells off-the-shelf (OTS) datasets and crowd/contractor workforce programs with separate terms.

- **Frontier alignment data:** Chain-of-thought reasoning traces, SME-level RLHF, supervised fine-tuning demonstrations and adversarial red teaming for the most capable models.
- **Agentic AI datasets:** Golden trajectories, RL environment design, failure-mode taxonomies and software-engineering-driven deep evaluation for autonomous agents.
- **Multimodal and speech corpora:** Multilingual ASR and conversational speech data, expressive TTS annotation, vision-language model training data, video action labelling and voice-agent evaluation.
- **Physical AI annotation:** LiDAR point-cloud labeling, multi-camera sensor fusion, robot demonstration trajectories, world-model rollouts and embodied interaction logs.
- **Model integrity and evaluation:** Hallucination benchmarking, bias detection, regulatory audits and continuous monitoring, plus independent model evaluation.
- **AI Data Platform (ADAP):** A production platform that combines automation with human oversight, with SOC 2 and ISO 27001 certification and 500+ locales covered.

**Strengths:** Three decades of annotation methodology, tooling and workforce management experience; Very broad coverage: frontier alignment, agentic, speech, multimodal, physical AI and evaluation in one vendor; 500+ locales and multilingual expertise that most in-house teams cannot match; Enterprise-grade security posture (SOC 2, ISO 27001) and publicly listed governance

**Limitations:** No transparent self-serve pricing; every engagement requires a sales/scoping cycle; Enterprise-oriented contracts can be heavy for small teams or indie developers; Quality depends on workforce management, so results vary by project and locale; Overlaps with many cheaper specialist annotation vendors, making vendor selection non-trivial

[Profile (Markdown)](https://openaitools.app/tool/appen-com.md)

## DeepAstro

DeepAstro is built around a simple idea: where you live may matter, and astrocartography is one way people explore that question. You enter your birth date, time and place, and the platform calculates planetary positions, finds where those planets met the four chart angles, and traces each angular crossing as a line across a live world map. Ten planetary lines and all four angles (ASC, DSC, MC, IC) are available on the free map, without even requiring an account.

Rather than handing out a single universal score, DeepAstro encourages an evidence sequence: start with the planet, add the angle, measure the distance to the line, then consider the actual city's culture, language and opportunity. Clicking any place produces a reading that names the planet, angle, approximate distance and local context together, and the platform deliberately keeps uncertainty visible — including how an unknown or approximate birth time limits what can be concluded.

Beyond the map, DeepAstro offers ranked shortlists for goals like love, career, home or growth, side-by-side city comparison with filters for budget, language and family needs, structured personal city reports, and an AI assistant that answers questions using your own calculated lines rather than generic horoscope text. Paid options are one-time purchases rather than subscriptions, and the free tier already covers every planetary line.

**Pricing & Plans:** The core map is free: all ten planetary lines, the live 2D/3D map, top cities per goal and free city checks require no payment or account. Paid options are one-time purchases processed by Stripe with no subscription or auto-renewal: City Brief at $9.90 for one personal city report, Pro at $19.90 for 5 reports plus 150 AI readings and unlimited city checks, Ultimate at $36.90 for 20 reports and 1,000 AI readings, and Max at $99.90 for 50 reports, 5,000 readings and charts for friends and family.

- **Free live astrocartography map:** Enter your birth details and see all ten planetary lines across the world map in 2D or 3D, with no account required.
- **Click-anywhere city readings:** Click any place to see which planetary lines run nearby, how close they are, and what they tend to support or strain there.
- **Goal-based city shortlists:** Choose love, career, home or growth and get a ranked list of cities with the specific lines behind each pick.
- **AI readings grounded in your chart:** Ask about a line or city and get answers built from your calculated lines rather than generic horoscope language.
- **Transparent calculation method:** Birth data normalization, planetary positions, angle crossings and projection to Earth are each explained step by step.

**Strengths:** The full planetary-line map is genuinely free with no account needed; Interpretations explain their reasoning instead of giving a single vague score; Readings combine planet, angle, distance and city context together; Paid plans are one-time purchases with no auto-renewing subscription

**Limitations:** Astrocartography interpretation is not scientifically validated, so treat readings as guidance only; An unknown or approximate birth time reduces how precise the line positions can be

[Profile (Markdown)](https://openaitools.app/tool/deepastro.md)

## Frequently Asked Questions

### How do Appen and DeepAstro compare in monthly traffic?

Appen has 665,840 monthly visits, while DeepAstro has 1,913. Traffic estimates describe audience size, not product quality.

### How do their growth rates compare?

Appen has a month-over-month growth rate of +0.2%; DeepAstro has +33.4%.

### How does pricing compare?

Appen: Contact for Pricing. Enterprise/contact-for-pricing. Appen does not publish self-serve plans; projects are scoped and quoted individually. Appen also sells off-the-shelf (OTS) datasets and crowd/contractor workforce programs with separate terms. DeepAstro: Freemium, Contact for Pricing. The core map is free: all ten planetary lines, the live 2D/3D map, top cities per goal and free city checks require no payment or account. Paid options are one-time purchases processed by Stripe with no subscription or auto-renewal: City Brief at $9.90 for one personal city report, Pro at $19.90 for 5 reports plus 150 AI readings and unlimited city checks, Ultimate at $36.90 for 20 reports and 1,000 AI readings, and Max at $99.90 for 50 reports, 5,000 readings and charts for friends and family.

## Alternatives

| # | Tool Name | Monthly Visits | MoM Growth Rate | Pricing Model | Summary | Profile (Markdown) |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| 1 | [Hint](https://openaitools.app/tool/hint-app) | 20,394,530 | +15.3% | Free Trial, Paid | Your personal guide to modern astrology | [.md](https://openaitools.app/tool/hint-app.md) |
| 2 | [Prolific](https://openaitools.app/tool/prolific-com) | 18,697,671 | -1.8% | Paid | Connects teams directly with verified human participants for preference tuning and studies, but lacks managed end-to-end labeling pipelines. | [.md](https://openaitools.app/tool/prolific-com.md) |
| 3 | [Invisible Technologies](https://openaitools.app/tool/invisible-technologies-inc) | 1,364,520 | +64.4% | Contact for Pricing | Blends custom software with dedicated human expert teams to handle complex operations, but operates as a bespoke service. | [.md](https://openaitools.app/tool/invisible-technologies-inc.md) |
| 4 | [Labelbox](https://openaitools.app/tool/labelbox) | 762,803 | -22.8% | Contact for Pricing | Combines robust data labeling tools with automated workflows, but focuses more on software tooling than managed human workforces. | [.md](https://openaitools.app/tool/labelbox.md) |
| 5 | [Scale](https://openaitools.app/tool/scale) | 616,915 | +12.5% | Contact for Pricing | Provides enterprise-grade AI training data and model evaluation at massive scale, but often with higher enterprise pricing. | [.md](https://openaitools.app/tool/scale.md) |
| 6 | [SuperAnnotate](https://openaitools.app/tool/super-annotate) | 386,034 | +37.4% | Free Trial, Contact for Pricing | Delivers advanced multimodal data curation and annotation infrastructure, but requires your own annotation workforce for labeling tasks. | [.md](https://openaitools.app/tool/super-annotate.md) |
| 7 | [Arize AI](https://openaitools.app/tool/arize-com) | 249,028 | +3.2% | Paid, Contact for Pricing | Agent observability, evaluation, and continuous improvement for production AI | [.md](https://openaitools.app/tool/arize-com.md) |
| 8 | [Encord](https://openaitools.app/tool/encord-com) | 244,204 | +9.4% | Contact for Pricing | The multimodal data layer for computer vision and physical AI teams | [.md](https://openaitools.app/tool/encord-com.md) |
| 9 | [OpenFate AI](https://openaitools.app/tool/openfate-ai) | 211,823 | +26.5% | Freemium, Free | Calculation-first AI astrology and Bazi for self-discovery and life planning | [.md](https://openaitools.app/tool/openfate-ai.md) |
| 10 | [Mappedin](https://openaitools.app/tool/mappedin-com) | 173,962 | -28.6% | Freemium, Contact for Pricing | One live indoor map for wayfinding, operations and security | [.md](https://openaitools.app/tool/mappedin-com.md) |

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Source: https://openaitools.app/compare/appen-com-vs-deepastro

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