Ankle Flex vs SmartGrip
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ankle Flex
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A timer app associated with the Ankle Flex physical therapy device. Includes the default timers for the Ankle Flex protocol, the ability to create new custom timers, and automatic activity logging.
SmartGrip
Develop superior grip strength with personalized, progressive exercises. Track your progress against clear benchmarks and build a stronger body through consistent training.
- Personalized 4-week programs
- Progressive challenges
- Dead Hang exercise
- Farmer Carry exercise
- Clear benchmarks
- Repeatable sessions
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Grip strength is one of the strongest predictors of long-term health — researchers use it to track vitality, cardiovascular risk, and aging. SmartGrip helps you measure it with a real dynamometer, then train and track it over time. Build exceptional grip strength through simple, effective exercises and progressive challenges. SmartGrip guides you with personalized programs and benchmarks to help you get stronger week after week. Exercises included: - Dead Hang: hang from a bar and hold as long as you can - Farmer Carry: walk while holding heavy weights to test endurance Key features: - Personalized 4-week programs based on your current level - Clear benchmarks so you can measure progress - Simple sessions you can repeat anytime, anywhere Start training smarter. Strengthen your grip. Strengthen your body. Check out all terms and conditions by following this link https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Ankle Flex at none against SmartGrip's 2. SmartGrip's advantage is update cadence (every 4 weeks vs every 5 months). On price, ads, device support and iOS requirement 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. SmartGrip sells 2 in-app purchases, starting at $3.99 per 7 days. Ankle Flex asks for nothing beyond the download.
Ankle Flex ships an update every 5 months, SmartGrip every 4 weeks. The most recent releases landed on October 12, 2026 and October 5, 2026 respectively.
| Parameter | Ankle Flex | SmartGrip |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 months | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 10 MB | 44 MB |
| Age rating | 4+ | 17+ |
| Developer | Perry Hooker | Georges Ryan Abi Sleiman |
In-app purchases
Ankle Flex
No in-app purchases
SmartGrip
- Premium Weekly$3.997 Days
- Premium Yearly$34.991 Year
