# How Long Left vs SmartPO

The clearest difference is rating: SmartPO at 5.0 against How Long Left's 3.8. SmartPO also leads on in-app purchases (none vs 4) and update cadence (monthly vs every 4 months). How Long Left's advantage is ratings volume (39 vs 2) and iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. How Long Left sells 4 one-off in-app purchases. SmartPO asks for nothing beyond the download.

SmartPO holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: How Long Left has 39 ratings behind it against 2, so its average is the more settled of the two.

How Long Left ships an update every 4 months, SmartPO monthly. The most recent releases landed on October 14, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | How Long Left | SmartPO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (39 ratings)](https://appshunter.io/ios/app/how-long-left/id1450603293/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/smartpo/id1491788619/reviews)** |
| Number of ratings | **39** | 2 |
| Positive reviews | 58.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 25 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ryan Kontos](https://appshunter.io/developer/1388832965) | [MedProcure, LLC](https://appshunter.io/developer/968088589) |

## What reviewers say

### How Long Left

[App page](https://appshunter.io/ios/app/how-long-left/id1450603293)

This app helps you visualize the time remaining for your calendar events. It offers a Today Widget, Siri integration, and an Apple Watch app for convenient access. Receive notifications for upcoming events and customize your watch face with countdown complications.

**Highlights:** Countdown calendar events, Today Widget integration, Siri integration, Apple Watch app, Time remaining notifications, Apple Watch complications

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| How Long Left Widget | $1.99 | one-time |
| Premium Watch Complication | $4.99 | one-time |
| Legacy Pro Lifetime | $39.99 | one-time |
| How Long Left Pro (Lifetime) | $49.99 | one-time |


### SmartPO

[App page](https://appshunter.io/ios/app/smartpo/id1491788619)

This app streamlines purchasing and electronic invoicing for non-acute healthcare facilities. It allows users to build, approve, and manage orders and contract prices from multiple vendors, with mobile barcode scanning for easy order creation and inventory management.

**Highlights:** Order management, Contract price management, Electronic invoicing, Barcode scanning for order creation, Order approval, Inventory receiving

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is How Long Left free?

How Long Left is free to download, with in-app purchases available.

### Is SmartPO free?

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

### Which has better reviews, How Long Left or SmartPO?

SmartPO is rated higher. How Long Left averages 3.8 out of 5 from 39 ratings, while SmartPO averages 5.0 from 2 ratings.

### Do How Long Left or SmartPO have ads?

Neither How Long Left nor SmartPO shows ads.

### Which is updated more often, How Long Left or SmartPO?

How Long Left ships an update every 4 months, and SmartPO monthly. Most recently, How Long Left was updated on October 14, 2026 and SmartPO 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.*