Flex 'n Burn vs BUNDA App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Flex 'n Burn
Access fitness classes and manage your account with this app. It offers a 30-minute workout combining high-tech machines and HIIT to maximize results and save time. Join studio classes to experience an efficient and effective fitness routine.
- Book classes
- Manage account
- View locations
- 30-minute workouts
- HIIT training
- CardioMuscular Workout™
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Get the free Flex 'n Burn app today to view locations, book classes, buy passes and manage your account on the go. Flex 'n Burn's 30 Minute CardioMuscular Workout™ classes utilize the perfect combination of hi-tech machines and a secret fusion of science based (HIIT) high intensity interval training methods designed to maximize your workout results while saving you time. Takes Just 30 Minutes to Flex ‘n Burn 950 Calories! Download the Flex 'n Burn app today and join us in studio to see what the “Most Efficiently Effective Workout in the World” is all about!
BUNDA App
Easily browse and purchase class packs or membership options. View the class schedule, filter by type, and manage your reservations to stay organized and committed to your fitness goals.
- Purchase class packs and memberships
- View class schedule
- Filter classes by type
- Manage reservations
- Track upcoming classes
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Features: -Purchase Class Packs and Memberships Easily browse and purchase our class packs or membership options -View our schedule Filter classes by type to find the perfect fit for your routine. -Manage your reservations Book your class reservations with ease. Keep track of your upcoming classes and manage your schedule to stay organized and committed to your fitness goals.
Screenshots
Verdict
The clearest difference is update cadence: BUNDA App at weekly against Flex 'n Burn's every 3 weeks. BUNDA App also leads on monetization model (free vs ad-supported) and ratings volume (1.1K vs 253). On price, rating, review sentiment and ads 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.
On the App Store both sit at effectively the same score — 5.0 for Flex 'n Burn against 5.0 for BUNDA App. Both are backed by a comparable volume of ratings — 253 and 1.1K respectively. Written reviews split almost evenly too, at 100% and 100% positive.
Flex 'n Burn ships an update every 3 weeks, BUNDA App weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | Flex 'n Burn | BUNDA App |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (253 ratings) — better | 5.0 (1.1K ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 253 | 1.1K — better |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone | iPhone |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 38 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Mariana Tek Corporation | Bunda Inc (LA) |
Customer experience
Flex 'n Burn
BUNDA App
In-app purchases
Flex 'n Burn
No in-app purchases
BUNDA App
No in-app purchases
Questions
Is Flex 'n Burn free?
Is BUNDA App free?
Which has better reviews, Flex 'n Burn or BUNDA App?
Do Flex 'n Burn or BUNDA App have ads?
Which is updated more often, Flex 'n Burn or BUNDA App?
Other comparisons
