# Checkpoint Clock vs Blackboard

The clearest difference is review sentiment: Checkpoint Clock at 75% against Blackboard's 0%. Checkpoint Clock also leads on rating (4.0 vs 2.0) and in-app purchases (none vs 1). Blackboard's advantage is price (Free vs $3.00) and update cadence (every 4 months vs every 31 months). On ratings volume and device support there is nothing between them.

Blackboard is free to download; Checkpoint Clock costs $3.00 up front. Blackboard sells 1 one-off in-app purchase. Checkpoint Clock asks for nothing beyond the download.

Checkpoint Clock holds the better App Store score, 4.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 75% of Checkpoint Clock's written reviews are positive against 0% of Blackboard's.

Checkpoint Clock ships an update every 31 months, Blackboard every 4 months. The most recent releases landed on June 9, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Checkpoint Clock | Blackboard |
| --- | --- | --- |
| Price | $3.00 | **Free** |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/checkpoint-clock/id549741037/reviews)** | [2.0 (2 ratings)](https://appshunter.io/ios/app/blackboard-stopwatch/id1470227478/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 4 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 9 MB | 11 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [David Bireta](https://appshunter.io/developer/338634093) | [Filippo Gozza](https://appshunter.io/developer/954580932) |

## What reviewers say

### Checkpoint Clock

[App page](https://appshunter.io/ios/app/checkpoint-clock/id549741037)

This app functions as a precise timing device for Time-Speed-Distance road rallies. It records split times with optional car numbers and allows for dynamic adjustment of time units. It can also serve as a time reference for 'Seat of the Pants' rally classes.

**Highlights:** Split time recording, Optional car number logging, Scrollable log area, Dynamic time unit adjustment, Time of day clock synchronization, Decimal minute support

**In-app purchases:** none


### Blackboard

[App page](https://appshunter.io/ios/app/blackboard-stopwatch/id1470227478)

A straightforward stopwatch app featuring oversized digits for easy visibility. It offers single-button control for starting, stopping, and resetting. With optional Bluetooth integration and a photocell, it can function as a race display, expanding its utility.

**Highlights:** Oversized digits, Single-button control (start, stop, reset), Bluetooth device integration, Photocell compatibility, External Bluetooth button support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version | $2.99 | one-time |


## Frequently asked questions

### Is Checkpoint Clock free?

Checkpoint Clock costs $3.00, with no in-app purchases.

### Is Blackboard free?

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

### Which has better reviews, Checkpoint Clock or Blackboard?

Checkpoint Clock is rated higher. Checkpoint Clock averages 4.0 out of 5 from 1 ratings, while Blackboard averages 2.0 from 2 ratings.

### Do Checkpoint Clock or Blackboard have ads?

Blackboard shows ads; Checkpoint Clock does not.

### Which is updated more often, Checkpoint Clock or Blackboard?

Checkpoint Clock ships an update every 31 months, and Blackboard every 4 months. Most recently, Checkpoint Clock was updated on June 9, 2026 and Blackboard on September 12, 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.*