# RefreshGO vs Zenther

The clearest difference is price: Zenther at Free against RefreshGO's $0.99. Zenther also leads on update cadence (every 4 days vs every 6 weeks). RefreshGO's advantage is in-app purchases (none vs 4) and iOS requirement (17.6 vs 26.0). On ads and device support there is nothing between them.

Zenther is free to download; RefreshGO costs $0.99 up front. Zenther sells 4 in-app purchases, starting at $1.59 per 7 days. RefreshGO asks for nothing beyond the download.

RefreshGO ships an update every 6 weeks, Zenther every 4 days. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | RefreshGO | Zenther |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[3.7 (3 ratings)](https://appshunter.io/ios/app/zenther-ai-calorie-tracker/id6748252780/reviews)** |
| Number of ratings | — | **3** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 4 days** |
| Monetization | — | Free with in-app purchases |
| Size | 12 MB | 17 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jahyeon Ko](https://appshunter.io/developer/1809118103) | [Rudrank Riyam](https://appshunter.io/developer/1479784360) |

## What reviewers say

### RefreshGO

[App page](https://appshunter.io/ios/app/refreshgo/id6745421205)

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

**In-app purchases:** none


### Zenther

[App page](https://appshunter.io/ios/app/zenther-ai-calorie-tracker/id6748252780)

Intelligently track workouts, nutrition, and progress with personalized insights. This app prioritizes your privacy by processing all data on your device, offering a secure and user-friendly fitness companion.

**Highlights:** AI-powered fitness tracking, Private on-device data processing, Workout and nutrition logging, Personalized daily targets, Streak tracking and achievements, Home and lock screen widgets, Apple Health and Watch integration

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $1.59 | per 7 days |
| Monthly | $3.89 | per month |
| Annual | $28.49 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is RefreshGO free?

RefreshGO costs $0.99, with no in-app purchases.

### Is Zenther free?

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

### Do RefreshGO or Zenther have ads?

Neither RefreshGO nor Zenther shows ads.

### Which is updated more often, RefreshGO or Zenther?

RefreshGO ships an update every 6 weeks, and Zenther every 4 days. Most recently, RefreshGO was updated on October 25, 2026 and Zenther on October 12, 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.*