# StrengthLog vs AmpShift.ai

The clearest difference is iOS requirement: AmpShift.ai at 13.0 against StrengthLog's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. StrengthLog sells 3 in-app purchases, starting at $16.90 per month and AmpShift.ai sells 1 in-app purchase, starting at $59.99 per month. Whichever you choose, the download price is not the number that matters.

StrengthLog ships an update weekly, AmpShift.ai every 5 days. The most recent releases landed on October 12, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | StrengthLog | AmpShift.ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (3.7K ratings)](https://appshunter.io/ios/app/strengthlog-workout-tracker/id1434229662/reviews)** | — |
| Number of ratings | **3.7K** | — |
| Positive reviews | 88.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 158 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Styrkelabbet AB](https://appshunter.io/developer/1434229661) | [AmpShift Company](https://appshunter.io/developer/1828206130) |

## What reviewers say

### StrengthLog

[App page](https://appshunter.io/ios/app/strengthlog-workout-tracker/id1434229662)

Track your workouts, analyze progress, and discover proven strength training programs. Log unlimited workouts, access a vast exercise library, and set goals. Upgrade for advanced statistics and premium programs.

**Highlights:** Unlimited workout logging, Extensive exercise library with video instructions, Proven strength training programs, Progress analysis and statistics, Goal setting and streak tracking, Plate calculator and rest timer, Apple Health integration

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| StrengthLog Premium - 1 month | $16.90 | per month |
| StrengthLog Premium - 3 months | $37.90 | per 3 months |
| StrengthLog Premium - 1 year | $109.00 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Intuitive interface
- 💪 Comprehensive workout tracking
- 📊 Detailed progress analytics
- 🎥 Helpful exercise videos

**What reviewers complain about**

- 🔍 Cluttered main page
- 🐛 Occasional bugs and crashes
- 💰 Premium subscription is expensive
- ⌚ Apple Watch app issues

**Reported bugs**

- Disappearing workout data
- Inability to clear/reset workout history
- Inconsistent behavior when planning workouts for the same day

**Requested features**

- Ability to save and edit custom workout plans
- Seamless integration with Apple Health
- Community features like challenges and leaderboards
- More personalized workout recommendations


### AmpShift.ai

[App page](https://appshunter.io/ios/app/ampshiftai/id6760284661)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $59.99 | per month |


## Frequently asked questions

### Is StrengthLog free?

StrengthLog is free to download, with in-app purchases available.

### Is AmpShift.ai free?

AmpShift.ai is free to download, with in-app purchases available.

### Do StrengthLog or AmpShift.ai have ads?

Neither StrengthLog nor AmpShift.ai shows ads.

### Which is updated more often, StrengthLog or AmpShift.ai?

StrengthLog ships an update weekly, and AmpShift.ai every 5 days. Most recently, StrengthLog was updated on October 12, 2026 and AmpShift.ai on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*