Delft Teacher vs TeamBuildr OS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Delft Teacher
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Teachers can use this app to manage their classes. And a user can log in and can then scan qr codes to gain access to the gym(s) they have access to.
TeamBuildr OS
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TeamBuildr OS allows you to view class schedules and manage bookings at your local gym or studio. Our intuitively-designed platform keeps you organized and pushes you one step closer to reaching your fitness goals.
Screenshots
Verdict
The clearest difference is update cadence: Delft Teacher at monthly against TeamBuildr OS's every 3 months. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Delft Teacher ships an update monthly, TeamBuildr OS every 3 months. The most recent releases landed on September 19, 2026 and September 24, 2026 respectively.
| Parameter | Delft Teacher | TeamBuildr OS |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 15 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | Delcom Productions b.v. | TeamBuildr, LLC |
In-app purchases
Delft Teacher
No in-app purchases
TeamBuildr OS
No in-app purchases
Questions
Is Delft Teacher free?
Is TeamBuildr OS free?
Do Delft Teacher or TeamBuildr OS have ads?
Which is updated more often, Delft Teacher or TeamBuildr OS?
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