# Onform vs ChalkTimer

The clearest difference is in-app purchases: ChalkTimer at none against Onform's 11. ChalkTimer also leads on review sentiment (100% vs 69%) and rating (5.0 vs 4.8). Onform's advantage is ratings volume (8.7K vs 2) and chart position (#96 vs unranked). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Onform sells 11 in-app purchases, starting at $4.99 per month. ChalkTimer asks for nothing beyond the download.

ChalkTimer holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Onform has 8.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 69% of Onform's written reviews are positive against 100% of ChalkTimer's.

Onform ships an update every 5 days, ChalkTimer every 6 days. The most recent releases landed on October 22, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Onform | ChalkTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (8.7K ratings)](https://appshunter.io/ios/app/onform-video-analysis-app/id1490334045/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/chalktimer/id6757995382/reviews)** |
| Number of ratings | **8.7K** | 2 |
| Positive reviews | 69.1% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 6 days |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#96** | — |
| Size | 199 MB | 17 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [OnForm, Inc.](https://appshunter.io/developer/1490334044) | [Kristo Designs LLC (US)](https://appshunter.io/developer/480588450) |

## What reviewers say

### Onform

[App page](https://appshunter.io/ios/app/onform-video-analysis-app/id1490334045)

**Currently charting:** #96 Top Grossing · Sports (US App Store)

This app enables coaches to provide detailed video feedback and communicate effectively with athletes, both remotely and in person. It offers tools for analysis, markup, and direct messaging to streamline coaching and improve athlete performance.

**Highlights:** Video feedback with markup tools, Slow motion and comparison analysis, Voice-over and text messaging, 3D analysis for select sports, Organize athletes and teams, High-speed video recording

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Personal Monthly | $4.99 | per month |
| Individual Standard Monthly | $9.99 | per month |
| Individual Premium Monthly | $14.99 | per month |
| Coach Basic Monthly | $19.99 | per month |
| Coach Monthly | $29.99 | per month |
| Coach Standard Monthly 1 Seat | $39.99 | per month |
| Personal Yearly | $49.99 | per year |
| Coach Pro Monthly 1 Seat | $59.99 | per month |
| Team/Academy Monthly | $79.00 | per month |
| Coach Yearly | $299.99 | per year |
| Team/Academy Yearly | $799.00 | per year |

**What reviewers like**

- 🚀 Easy to use
- 👍 Excellent communication tools
- 👍 Helpful video analysis features
- 👍 Intuitive and user-friendly
- 👍 Streamlined workflow

**What reviewers complain about**

- 💰 Expensive subscription
- 🐛 Auto-detect issues
- 🐛 Crashes and stability problems
- 🔋 High battery consumption
- 📤 Limited free storage

**Reported bugs**

- Chat feature not working
- Inconsistent video recording
- Syncing issues between devices

**Requested features**

- Ability to import multiple videos at once
- More customization options
- Improved video scrubbing and playback controls
- Local video storage option
- Expanded sports support beyond golf


### ChalkTimer

[App page](https://appshunter.io/ios/app/chalktimer/id6757995382)

This app provides precise timing for gymnastics warm-ups and competitions, adhering to USAG rules. It automates calculations and countdowns, offering visual and audio cues for seamless transitions. Designed for coaches and meet directors, it aims to reduce stress and improve efficiency.

**Highlights:** USAG Rules Based Timing, Automatic Warm-up Calculation, Competition Event Timers, Fall & Bump/Touch Timers, General Stopwatch Functionality, Visual and Audio Cues, Offline Reliability (PRO)

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

**In-app purchases:** none


## Frequently asked questions

### Is Onform free?

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

### Is ChalkTimer free?

ChalkTimer is free to download, with no in-app purchases.

### Which has better reviews, Onform or ChalkTimer?

ChalkTimer is rated higher. Onform averages 4.8 out of 5 from 8.7K ratings, while ChalkTimer averages 5.0 from 2 ratings.

### Do Onform or ChalkTimer have ads?

Neither Onform nor ChalkTimer shows ads.

### Which is updated more often, Onform or ChalkTimer?

Onform ships an update every 5 days, and ChalkTimer every 6 days. Most recently, Onform was updated on October 22, 2026 and ChalkTimer on September 29, 2026.

---

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