# Estimate Right vs Chalkline

The clearest difference is ads: Chalkline at none against Estimate Right's shown. Chalkline also leads on update cadence (every 2 days vs every 8 days) and iOS requirement (13.0 vs 16.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Estimate Right sells 4 in-app purchases, starting at $1.99 per 7 days and Chalkline sells 3 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Estimate Right ships an update every 8 days, Chalkline every 2 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Estimate Right | Chalkline |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 8 days | **Every 2 days** |
| Size | 111 MB | 59 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Fernando Menezes](https://appshunter.io/developer/1826304067) | [RA2 Lab](https://appshunter.io/developer/1802429134) |

## What reviewers say

### Estimate Right

[App page](https://appshunter.io/ios/app/estimate-right-invoice-maker/id6762475793)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $1.99 | per 7 days |
| Weekly promo | $1.99 | per 7 days |
| Monthly Subscrtipion | $4.99 | per month |
| Quarterly Subscription | $12.99 | per 3 months |


### Chalkline

[App page](https://appshunter.io/ios/app/chalkline-estimate-maker/id6803514376)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chalkline Starter | $9.99 | per month |
| Chalkline Pro | $29.99 | per month |
| Chalkline Pro | $239.99 | per year |


## Frequently asked questions

### Is Estimate Right free?

Estimate Right is free to download, with in-app purchases available.

### Is Chalkline free?

Chalkline is free to download, with in-app purchases available.

### Do Estimate Right or Chalkline have ads?

Estimate Right shows ads; Chalkline does not.

### Which is updated more often, Estimate Right or Chalkline?

Estimate Right ships an update every 8 days, and Chalkline every 2 days. Most recently, Estimate Right was updated on November 5, 2026 and Chalkline on November 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.*