TumblingDifficultyJudgePro vs Stoi Replay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
TumblingDifficultyJudgePro
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TDJP (Tumbling Difficulty Judge Pro) is the essential companion for everyone involved in the world of Tumbling gymnastics. Whether you are a certified judge, a dedicated coach, or an aspiring gymnast, this app provides everything you need right at your fingertips. Main Features: Code of Points: Access the complete International and National Code of Points instantly Difficulty Calculator: Easily calculate difficulty scores for routines with our smart tools. Judge & Coach Tools: Special features designed to streamline the work of professionals in the field. Create Tariff Sheets: Easily build, edit, and save professional tariff sheets for your gymnasts. Export and share them directly from the app. TDJP is designed to make the complex world of Tumbling judging accessible, organized, and efficient. Download now and take your professional game to the next level!
Stoi Replay
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Stoi is a hands-free training mirror. Your phone films the whole time and the screen plays it back a few seconds late, so you can do a skill, turn around, and watch it without ever touching your phone. It works like a mirror that runs a few seconds behind. No hitting record, no buttons between reps. Just train and look up. What you can do: • Watch your last few seconds play back on their own • Swipe to scrub through recent footage • Slow it down or pause to study a skill frame by frame • Save the last 10s, 30s, a full minute, or everything, right to your Camera Roll • It picks the best quality your phone can handle Built for gymnasts, but it works for anything where watching yourself helps. Tumbling, dance, diving, lifting, whatever you train. No account. No sign up. Nothing ever leaves your phone.
Screenshots
Verdict
TumblingDifficultyJudgePro and Stoi Replay are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
TumblingDifficultyJudgePro ships an update weekly, Stoi Replay every 4 days. Both last shipped on October 25, 2026.
| Parameter | TumblingDifficultyJudgePro | Stoi Replay |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 59 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | Liam Avraham | Owen Magraken |
In-app purchases
TumblingDifficultyJudgePro
No in-app purchases
Stoi Replay
No in-app purchases
Questions
Is TumblingDifficultyJudgePro free?
Is Stoi Replay free?
Do TumblingDifficultyJudgePro or Stoi Replay have ads?
Which is updated more often, TumblingDifficultyJudgePro or Stoi Replay?
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