# ECI Bolt vs SendLynx

The clearest difference is rating: SendLynx at 5.0 against ECI Bolt's 2.7. SendLynx also leads on update cadence (every 3 days vs fortnightly). ECI Bolt's advantage is ratings volume (76 vs 1) and iOS requirement (16.0 vs 18.0). 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.

SendLynx holds the better App Store score, 5.0 against 2.7. That said, the two scores are not equally well evidenced: ECI Bolt has 76 ratings behind it against 1, so its average is the more settled of the two.

ECI Bolt ships an update fortnightly, SendLynx every 3 days. The most recent releases landed on October 6, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ECI Bolt | SendLynx |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.7 (76 ratings)](https://appshunter.io/ios/app/eci-bolt/id583753013/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sendlynx/id6782413356/reviews)** |
| Number of ratings | **76** | 1 |
| Positive reviews | 18.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 106 MB | 31 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Bolt Software Technology, LLC](https://appshunter.io/developer/583753016) | [Austin Lutz](https://appshunter.io/developer/1884796552) |

## What reviewers say

### ECI Bolt

[App page](https://appshunter.io/ios/app/eci-bolt/id583753013)

This app streamlines operations for trade subcontractors in the homebuilding industry. It offers robust tools for scheduling, project management, and estimating, enhancing efficiency in the field. Key features include mobile access, reporting, and integration with popular accounting software.

**Highlights:** Mobile Access, Scheduling, Project Management, Estimating, Reporting Tools, Document Management, QuickBooks Integration

**In-app purchases:** none


### SendLynx

[App page](https://appshunter.io/ios/app/sendlynx/id6782413356)

Easily book appointments with local service providers and manage your schedule. Business owners can streamline operations, manage clients, and process payments directly through the app.

**Highlights:** Book appointments instantly, Reschedule or cancel bookings, Rebook past visits with one tap, Passwordless sign-in, Manage calendar and bookings, Process payments securely, Manage services and staff

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ECI Bolt free?

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

### Is SendLynx free?

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

### Which has better reviews, ECI Bolt or SendLynx?

SendLynx is rated higher. ECI Bolt averages 2.7 out of 5 from 76 ratings, while SendLynx averages 5.0 from 1 ratings.

### Do ECI Bolt or SendLynx have ads?

Neither ECI Bolt nor SendLynx shows ads.

### Which is updated more often, ECI Bolt or SendLynx?

ECI Bolt ships an update fortnightly, and SendLynx every 3 days. Most recently, ECI Bolt was updated on October 6, 2026 and SendLynx on October 10, 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.*