# Group Star Charts vs Thumsters

The clearest difference is price: Thumsters at Free against Group Star Charts's $0.99. Thumsters also leads on update cadence (fortnightly vs every 3 months) and ratings volume (874 vs 19). Group Star Charts's advantage is in-app purchases (none vs 7) and iOS requirement (11.0 vs 15.1). On review sentiment, ads and device support there is nothing between them.

Thumsters is free to download; Group Star Charts costs $0.99 up front. Thumsters sells 7 in-app purchases, starting at $1.99 per 7 days. Group Star Charts asks for nothing beyond the download.

Thumsters holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: Thumsters has 874 ratings behind it against 19, so its average is the more settled of the two. Written reviews point the same way: 64% of Group Star Charts's written reviews are positive against 69% of Thumsters's.

Group Star Charts ships an update every 3 months, Thumsters fortnightly. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Group Star Charts | Thumsters |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/group-star-charts/id721623516/reviews) | **[4.7 (874 ratings)](https://appshunter.io/ios/app/thumsters-behavior-tracker/id1274298804/reviews)** |
| Number of ratings | 19 | **874** |
| Positive reviews | 63.6% of reviews | **68.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 1 MB | 92 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | +4 |
| Developer | [Geoff Hackworth](https://appshunter.io/developer/463855590) | [KØBEN digital](https://appshunter.io/developer/1225099509) |

## What reviewers say

### Group Star Charts

[App page](https://appshunter.io/ios/app/group-star-charts/id721623516)

This app provides a simple, visual system for encouraging positive behavior by awarding stars. It's designed for easy use by children and can be customized for various goals, making it suitable for parents, teachers, and group leaders.

**Highlights:** Star awarding system, Multiple chart creation, Customizable targets, Simple, child-friendly interface, Track behavior for groups, Positive reinforcement focus

**Features:** Vision Pro support

**In-app purchases:** none


### Thumsters

[App page](https://appshunter.io/ios/app/thumsters-behavior-tracker/id1274298804)

This app helps parents foster positive behavior and build stronger connections with their children through a reward-based tracking system. It offers tools for habit formation, emotional coaching, and consistent parenting across multiple caregivers, designed for children aged 4-12.

**Highlights:** Real-time behavior tracking (thumbs up/down), Kid-friendly chore list and reward system, Emotional coaching and awareness tools, Multi-device syncing for caregivers, Customizable reward system, Designed for ages 4-12

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium Subscription | $1.99 | per 7 days |
| Monthly Premium Subscription | $7.99 | per month |
| Monthly Premium Subscription | $12.99 | per month |
| 6 Month Premium Subscription | $39.99 | per 6 months |
| Yearly Premium Subscription | $47.99 | per year |
| 6 month premium subscription | $59.99 | per 6 months |
| ThumbsUp full account - 1 year | $79.99 | per year |

**What reviewers like**

- 👍 Great app for tracking daily behavior
- 👍 Friendly and intuitive UX
- 👍 Effective reward system with thumbs up/down
- 👍 Customizable goals and reasons
- 👍 Helpful for improving kids' behavior

**What reviewers complain about**

- 🐛 Crashes and bugs, especially when adding photos
- 🔋 App drains battery quickly
- 🔒 Issues with account syncing and multi-device access
- 🔒 Lack of child-specific profile and controls
- 🔒 Too many steps required to give thumbs up/down

**Reported bugs**

- Crashes when adding child profiles
- Sync issues between devices
- Thumbs up/down disappearing or not registering properly
- Inconsistent behavior after app updates

**Requested features**

- Allow kids to track their own progress
- Add more customization options for goals and rewards
- Implement better reporting and analytics
- Improve Apple Watch integration
- Simplify the process of giving thumbs up/down


## Frequently asked questions

### Is Group Star Charts free?

Group Star Charts costs $0.99, with no in-app purchases.

### Is Thumsters free?

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

### Which has better reviews, Group Star Charts or Thumsters?

Thumsters is rated higher. Group Star Charts averages 4.5 out of 5 from 19 ratings, while Thumsters averages 4.7 from 874 ratings.

### Do Group Star Charts or Thumsters have ads?

Neither Group Star Charts nor Thumsters shows ads.

### Which is updated more often, Group Star Charts or Thumsters?

Group Star Charts ships an update every 3 months, and Thumsters fortnightly. Most recently, Group Star Charts was updated on November 1, 2026 and Thumsters on November 3, 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.*