iGPT vs Cornerstone Bids
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iGPT
This AI-powered tool connects to your email, documents, and other work tools to provide context-rich answers and insights. It helps you make faster, smarter decisions by understanding your work and offering verifiable information with source citations.
- Connects to email, docs, and tools
- Provides context-rich answers
- Source citations for verifiable truth
- Proactive insights on tasks and meetings
- Enterprise-grade privacy (SOC2, GDPR compliant)
- No file uploads or complex prompts needed
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Connect iGPT to your email, docs, and tools. It weaves in live web knowledge, turning scattered information into actionable intelligence rooted in your real context, not just generic answers. Make faster, smarter decisions with AI that understands your work. iGPT gives you the truth behind your communications, connecting the dots between email threads, attachments, and work tools. ▶ WHY iGPT? ◆ Work without setup: Ask questions immediately without uploading files or engineering complex prompts. ◆ No more hunting: Get context-rich answers instantly. No more digging through old threads or browser tabs. ◆ Complete tasks faster: Know exactly what was decided, who owns it, and what is next so you can act with confidence. ◆ Verifiable Truth: Every answer comes with a source citation, so you can track information back to the original email or document. ◆ Proactive Insights: See your priority tasks, upcoming meetings, and expansion signals at a glance. ▶ ENTERPRISE-GRADE PRIVACY Your data stays yours. iGPT is built with protection at every layer, featuring SOC2 and GDPR compliance. We never train on your data, and we never store it longer than necessary. Get started today and turn your inbox into your most powerful business asset.
Cornerstone Bids
Streamline concrete and masonry estimating with phase-based takeoff calculators and automated pricing. Generate professional proposals quickly from your mobile device or web browser, empowering subcontractors to bid with confidence.
- Phase-based takeoff calculators
- Centralized pricing
- Quantity tracking
- Professional proposal generation
- Cross-device access
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DESCRIPTION Cornerstone Bids is built for concrete and masonry subcontractors who are tired of estimating with spreadsheets and being tied to a computer. Create accurate takeoffs by phase—including footings, slabs, walls, columns, and more—with calculators designed around the work you perform in the field. Set your material, labor, and equipment pricing once in Project Settings, and automatically apply it throughout your estimate. When your estimate is complete, turn it into a clean, professional proposal in seconds. Cornerstone Bids gives working subcontractors the practical tools they need to estimate faster, stay organized, and bid with confidence. FEATURES • Phase-based takeoff calculators • Centralized material, labor, and equipment pricing • Concrete, rebar, block, and wire mesh quantity tracking • Professional proposal generation • Access estimates from your phone, tablet, or web browser
Screenshots
Verdict
The clearest difference is update cadence: Cornerstone Bids at every 3 days against iGPT's every 10 days. On price, rating, ratings volume 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. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for iGPT against 5.0 for Cornerstone Bids. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
iGPT ships an update every 10 days, Cornerstone Bids every 3 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.
| Parameter | iGPT | Cornerstone Bids |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 10 days | Every 3 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 15 MB | 0 MB |
| Age rating | 4+ | 17+ |
| Developer | SpikeNow Ltd. | Cornerstonebids LLC |
Customer experience
iGPT
Cornerstone Bids
In-app purchases
iGPT
No in-app purchases
Cornerstone Bids
No in-app purchases
