# FlySpaceA vs TDY Slayer

The clearest difference is in-app purchases: FlySpaceA at none against TDY Slayer's 2. FlySpaceA also leads on iOS requirement (15.0 vs 18.0). TDY Slayer's advantage is update cadence (every 3 days vs every 3 months). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. TDY Slayer sells 2 in-app purchases, starting at $4.99 per month. FlySpaceA asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for FlySpaceA against 5.0 for TDY Slayer. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

FlySpaceA ships an update every 3 months, TDY Slayer every 3 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | FlySpaceA | TDY Slayer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/flyspacea/id6761509292/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/tdy-slayer/id6778275456/reviews) |
| Number of ratings | 3 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 24 MB | 59 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [FlySpaceA](https://appshunter.io/developer/1890061941) | [Southwind Digital LLC](https://appshunter.io/developer/6778275458) |

## What reviewers say

### FlySpaceA

[App page](https://appshunter.io/ios/app/flyspacea/id6761509292)

Access Space Available flight data and eligibility information. View flights on an interactive map, filter by status and dates, and find terminal details. Calculate your travel category and draft request emails.

**Highlights:** Interactive flight map, Flight list with filters, Terminal information browser, Eligibility category calculator, Draft travel request emails, Push notifications for new flights

**In-app purchases:** none


### TDY Slayer

[App page](https://appshunter.io/ios/app/tdy-slayer/id6778275456)

Effortlessly convert travel receipts into a ready-to-file DTS voucher. This app automatically reads receipt details like type, amount, and dates, organizing them for government travel. Simplify your reimbursement process by turning a complex task into a straightforward checklist.

**Highlights:** Automatic receipt reading, Organizes expenses by trip, Per diem lookup, Export receipts for DTS, Smart expense advisories, Voucher audit

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TDY Slayer Pro (Monthly) | $4.99 | per month |
| TDY Slayer Pro (Yearly) | $39.99 | per year |


## Frequently asked questions

### Is FlySpaceA free?

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

### Is TDY Slayer free?

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

### Which has better reviews, FlySpaceA or TDY Slayer?

FlySpaceA and TDY Slayer are both rated 5.0 out of 5 on the App Store, from 3 and 4 ratings respectively.

### Do FlySpaceA or TDY Slayer have ads?

Neither FlySpaceA nor TDY Slayer shows ads.

### Which is updated more often, FlySpaceA or TDY Slayer?

FlySpaceA ships an update every 3 months, and TDY Slayer every 3 days. Most recently, FlySpaceA was updated on October 24, 2026 and TDY Slayer 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.*