# 1 Tap Weight vs Shadowtrainer

The clearest difference is update cadence: Shadowtrainer at fortnightly against 1 Tap Weight's every 13 months. Shadowtrainer also leads on device support (3 vs 1) and iOS requirement (13.4 vs 16.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 1 Tap Weight sells 3 one-off in-app purchases and Shadowtrainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

1 Tap Weight ships an update every 13 months, Shadowtrainer fortnightly. The most recent releases landed on October 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 1 Tap Weight | Shadowtrainer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 2 MB | 48 MB |
| Requires iOS | 16.4 | **13.4** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Oleksandr Luchkovskyi](https://appshunter.io/developer/570541716) | [Thunk Tech Limited](https://appshunter.io/developer/1733288622) |

## What reviewers say

### 1 Tap Weight

[App page](https://appshunter.io/ios/app/1-tap-weight/id570541713)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Waist Circumference | $0.99 | one-time |
| 1 Year Chart | $0.99 | one-time |
| Fat Percentage | $0.99 | one-time |


### Shadowtrainer

[App page](https://appshunter.io/ios/app/shadowtrainer/id6478547117)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


## Frequently asked questions

### Is 1 Tap Weight free?

1 Tap Weight is free to download, with in-app purchases available.

### Is Shadowtrainer free?

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

### Do 1 Tap Weight or Shadowtrainer have ads?

Neither 1 Tap Weight nor Shadowtrainer shows ads.

### Which is updated more often, 1 Tap Weight or Shadowtrainer?

1 Tap Weight ships an update every 13 months, and Shadowtrainer fortnightly. Most recently, 1 Tap Weight was updated on October 18, 2026 and Shadowtrainer on September 24, 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.*