Comparison

simple Interval vs GoalSquare

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

simple Interval

This app helps you manage training intervals with a large, visual display and voice prompts. Easily set custom durations or add time in 10-second increments to track your workouts.

Highlights
  • Customizable interval lengths
  • Large visual countdown display
  • Voice annotation warnings
  • Elapsed time and interval count
  • Dynamic background images
Features
Read full description

Get ready to get fit with this app! To use, simply slide the slider control to the desired interval length or press the Add 10 seconds button and press START! Large and highly visual numbers will help you see remaining time from a distance along with special graphic displays during the countdown time. Voice annotation warnings assist along with audio time markers. Elapsed time display and interval count are all available to aid your training and with each interval a new background image is displayed to keep the look fresh! Suitable for gym, running, ball play or any training effort which could use a reliable timed counter.

About

GoalSquare

Access your scheduled training sessions and planned games from the desktop application on your mobile device. View exercise details with descriptions, drawings, and videos. The app is multilingual and free for registered users of the Windows version.

Highlights
  • View scheduled training sessions
  • Access planned games
  • Sort and search sessions by date, subject, group, coach
  • Exercise cards with descriptions and drawings
  • View exercise videos
  • Multilingual support
Features
Read full description

This app allows all registered users of the Windows application called “Goalsquare BASIC Edition” and “Goalsquare PRO Suite” to see their scheduled training sessions and planned games instantly on their mobile device (cell phone & tablets). All planned training sessions can be sorted and searched by date, subject, training group and coach. Each exercise is presented in the form of an exercise card with description and drawing, age and material information. In addition, a possibly existing video of the exercise can be viewed, as well as comments and notes on the training session. The app is multilingual and can be changed at any time in English, German, French, Dutch, Italian, Spanish, Portuguese, Japanese and Russian. The app is reserved exclusively and free for registered users of the existing Windows application.

Screenshots

simple Interval4 screens
GoalSquare4 screens

Verdict

The call

The clearest difference is review sentiment: simple Interval at 100% against GoalSquare's 50%. GoalSquare's advantage is update cadence (every 3 months vs every 28 months) and iOS requirement (12.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

simple Interval ships an update every 28 months, GoalSquare every 3 months. The most recent releases landed on October 7, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 5 level
simple Interval versus GoalSquare: the parameters behind the verdict, then further details
Parametersimple IntervalGoalSquare
PriceFreeFree
Positive reviews100.0% of reviews — better50.0% of reviews
Update frequencyEvery 28 monthsEvery 3 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size4 MB35 MB
Age rating4+4+
DeveloperMichael gluczWalter Harth

Customer experience

simple Interval

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

GoalSquare

Written reviews4 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

In-app purchases

None

simple Interval

No in-app purchases

None

GoalSquare

No in-app purchases

Questions

Is simple Interval free?
simple Interval is free to download, with no in-app purchases.
Is GoalSquare free?
GoalSquare is free to download, with no in-app purchases.
Do simple Interval or GoalSquare have ads?
Neither simple Interval nor GoalSquare shows ads.
Which is updated more often, simple Interval or GoalSquare?
simple Interval ships an update every 28 months, and GoalSquare every 3 months. Most recently, simple Interval was updated on October 7, 2026 and GoalSquare on October 29, 2026.

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