# SMARTank vs Cornerstone Bids

The clearest difference is review sentiment: Cornerstone Bids at 100% against SMARTank's 25%. Cornerstone Bids also leads on rating (5.0 vs 2.5) and update cadence (every 3 days vs every 3 months). SMARTank's advantage is ratings volume (17 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cornerstone Bids holds the better App Store score, 5.0 against 2.5. That said, the two scores are not equally well evidenced: SMARTank has 17 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 25% of SMARTank's written reviews are positive against 100% of Cornerstone Bids's.

SMARTank ships an update every 3 months, Cornerstone Bids every 3 days. The most recent releases landed on October 5, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | SMARTank | Cornerstone Bids |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (17 ratings)](https://appshunter.io/ios/app/smartank/id1131690300/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cornerstone-bids/id6792765224/reviews)** |
| Number of ratings | **17** | 2 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 129 MB | 0 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Skybitz](https://appshunter.io/developer/1061725729) | [Cornerstonebids LLC](https://appshunter.io/developer/6792765226) |

## What reviewers say

### SMARTank

[App page](https://appshunter.io/ios/app/smartank/id1131690300)

Gain complete visibility and control over your storage tanks from your mobile device. Monitor tank levels, temperature, and location 24/7, and receive custom alerts for efficient inventory management and reduced servicing costs.

**Highlights:** 24/7 tank level, temperature, and location monitoring, Customizable alerts and alarms, GPS tank location, Historical usage trends analysis, Optimized delivery routing, Reduced emergency deliveries

**Features:** macOS Compatibility

**In-app purchases:** none


### Cornerstone Bids

[App page](https://appshunter.io/ios/app/cornerstone-bids/id6792765224)

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.

**Highlights:** Phase-based takeoff calculators, Centralized pricing, Quantity tracking, Professional proposal generation, Cross-device access

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SMARTank free?

SMARTank is free to download, with no in-app purchases.

### Is Cornerstone Bids free?

Cornerstone Bids is free to download, with no in-app purchases.

### Which has better reviews, SMARTank or Cornerstone Bids?

Cornerstone Bids is rated higher. SMARTank averages 2.5 out of 5 from 17 ratings, while Cornerstone Bids averages 5.0 from 2 ratings.

### Do SMARTank or Cornerstone Bids have ads?

Neither SMARTank nor Cornerstone Bids shows ads.

### Which is updated more often, SMARTank or Cornerstone Bids?

SMARTank ships an update every 3 months, and Cornerstone Bids every 3 days. Most recently, SMARTank was updated on October 5, 2026 and Cornerstone Bids on October 6, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*