# SlopeReader vs PuttingAce

The clearest difference is in-app purchases: SlopeReader at none against PuttingAce's 1. SlopeReader also leads on update cadence (daily vs weekly). PuttingAce's advantage is ratings volume (13 vs 3). On price, rating, ads and device support there is nothing between them.

Both are free to download. PuttingAce sells 1 one-off in-app purchase. SlopeReader asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for SlopeReader against 5.0 for PuttingAce. Both are backed by a comparable volume of ratings — 3 and 13 respectively.

SlopeReader ships an update daily, PuttingAce weekly. The most recent releases landed on October 8, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | SlopeReader | PuttingAce |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/slopereader/id6755605118/reviews) | [5.0 (13 ratings)](https://appshunter.io/ios/app/puttingace/id6772405282/reviews) |
| Number of ratings | 3 | **13** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | **Free** | Paid |
| Size | 9 MB | 17 MB |
| Requires iOS | 17.6 | **17.5** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Stephen Lee](https://appshunter.io/developer/1854830513) | [JL Golf, LLC](https://appshunter.io/developer/6772405284) |

## What reviewers say

### SlopeReader

[App page](https://appshunter.io/ios/app/slopereader/id6755605118)

This tool helps golfers measure green slopes with precision using their iPhone. It provides real-time visual feedback on pitch and roll, aiding in green reading and building Aimpoint Express techniques. The app works offline and offers smart calibration for accurate readings.

**Highlights:** Real-time bubble level for slope visualization, Multiple units: Percent, Degrees, Radians, Smart calibration for phone cases, Directional indicators for slope direction, Completely offline functionality, Always-on display for continuous measurement, Instant 60Hz sensor updates

**In-app purchases:** none


### PuttingAce

[App page](https://appshunter.io/ios/app/puttingace/id6772405282)

This app provides structured putting practice and performance tracking for golfers. It helps users identify areas for improvement through detailed insights and benchmark tests. Play games, log putts quickly, and review sessions with clear feedback.

**Highlights:** Structured putting games (PuttingAce 9 & 18), Performance insights by distance, Benchmark tests (5ft & 10ft), Tour Par scoring, Fast putt entry, Session history and analysis

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PuttingAce Full Access | $9.99 | one-time |


## Frequently asked questions

### Is SlopeReader free?

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

### Is PuttingAce free?

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

### Which has better reviews, SlopeReader or PuttingAce?

SlopeReader and PuttingAce are both rated 5.0 out of 5 on the App Store, from 3 and 13 ratings respectively.

### Do SlopeReader or PuttingAce have ads?

Neither SlopeReader nor PuttingAce shows ads.

### Which is updated more often, SlopeReader or PuttingAce?

SlopeReader ships an update daily, and PuttingAce weekly. Most recently, SlopeReader was updated on October 8, 2026 and PuttingAce on October 19, 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.*