# Simple Deadline Tracker vs Air Fill

The clearest difference is in-app purchases: Simple Deadline Tracker at none against Air Fill's 2. Air Fill's advantage is update cadence (every 2 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Air Fill sells 2 in-app purchases, starting at $4.99 per month. Simple Deadline Tracker asks for nothing beyond the download.

Simple Deadline Tracker ships an update every 3 months, Air Fill every 2 weeks. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Simple Deadline Tracker | Air Fill |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/air-fill/id6792558975/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 82 MB | 12 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Flit Soft LLC](https://appshunter.io/developer/1737728213) | [Knock Knock Bang LLC](https://appshunter.io/developer/1885386537) |

## What reviewers say

### Simple Deadline Tracker

[App page](https://appshunter.io/ios/app/simple-deadline-tracker/id6762069217)

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

**In-app purchases:** none


### Air Fill

[App page](https://appshunter.io/ios/app/air-fill/id6792558975)

Create and update Airtable records with fast, native forms designed for mobile. Features include conditional logic, offline saving, and signature capture. Offers a free tier with limited forms and a Pro subscription for unlimited access.

**Highlights:** Native mobile forms for Airtable, Create and update records, Offline data saving, Conditional logic, Signature capture, Photo and barcode attachments, Form Flows with Shortcuts

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Air Fill Pro (Monthly) | $4.99 | per month |
| Air Fill Pro (Annual) | $39.99 | per year |


## Frequently asked questions

### Is Simple Deadline Tracker free?

Simple Deadline Tracker is free to download, with no in-app purchases.

### Is Air Fill free?

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

### Do Simple Deadline Tracker or Air Fill have ads?

Neither Simple Deadline Tracker nor Air Fill shows ads.

### Which is updated more often, Simple Deadline Tracker or Air Fill?

Simple Deadline Tracker ships an update every 3 months, and Air Fill every 2 weeks. Most recently, Simple Deadline Tracker was updated on October 12, 2026 and Air Fill on October 16, 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.*