# Span vs SlashID Authenticator

The clearest difference is in-app purchases: SlashID Authenticator at none against Span's 1. SlashID Authenticator also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, update cadence and ads there is nothing between them.

Both are free to download. Span sells 1 one-off in-app purchase. SlashID Authenticator asks for nothing beyond the download.

Span ships an update every 2 weeks, SlashID Authenticator every 3 weeks. Both last shipped on October 31, 2026.

## The numbers

| Metric | Span | SlashID Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/span-countdown-and-time-tracker/id6759741231/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free | — |
| Size | 6 MB | 2 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shamir Wehbe](https://appshunter.io/developer/1880462508) | [IRD Holdings Corp](https://appshunter.io/developer/1734303827) |

## What reviewers say

### Span

[App page](https://appshunter.io/ios/app/span-countdown-and-time-tracker/id6759741231)

Track upcoming events with live countdowns or elapsed time since past moments. Log daily habits, discover patterns, and explore historical events with rich media. Organize and share your time-related data seamlessly.

**Highlights:** Live second-by-second countdowns, Elapsed time tracking, Habit and routine logging, Historical 'On This Day' events, Customizable widgets, Shareable event cards, iCloud backup and sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Span Pro | $1.99 | one-time |


### SlashID Authenticator

[App page](https://appshunter.io/ios/app/slashid-authenticator/id6760341477)

**In-app purchases:** none


## Frequently asked questions

### Is Span free?

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

### Is SlashID Authenticator free?

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

### Do Span or SlashID Authenticator have ads?

Neither Span nor SlashID Authenticator shows ads.

### Which is updated more often, Span or SlashID Authenticator?

Span ships an update every 2 weeks, and SlashID Authenticator every 3 weeks. Most recently, Span was updated on October 31, 2026 and SlashID Authenticator on October 31, 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.*