# Geekmath Classic vs DelayLens

The clearest difference is price: DelayLens at Free against Geekmath Classic's $2.99. Geekmath Classic's advantage is in-app purchases (none vs 3) and update cadence (daily vs every 3 weeks). On ads there is nothing between them.

DelayLens is free to download; Geekmath Classic costs $2.99 up front. DelayLens sells 3 in-app purchases, starting at $1.99 per month. Geekmath Classic asks for nothing beyond the download.

Geekmath Classic ships an update daily, DelayLens every 3 weeks. The most recent releases landed on September 22, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | Geekmath Classic | DelayLens |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/delaylens-procrastination-log/id6790460890/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | — | Freemium |
| Size | 27 MB | 14 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Jian Chen](https://appshunter.io/developer/1439030851) | [子莹 李](https://appshunter.io/developer/1896745961) |

## What reviewers say

### Geekmath Classic

[App page](https://appshunter.io/ios/app/geekmath-classic/id6503036374)

**Features:** Vision Pro support

**In-app purchases:** none


### DelayLens

[App page](https://appshunter.io/ios/app/delaylens-procrastination-log/id6790460890)

This app helps you recover from procrastination by logging the experience, identifying causes, and guiding you to take one small next step. It offers focused work sessions and provides insights into what helps you restart.

**Highlights:** Log procrastination time, Identify causes and add notes, Define small next actions, Set focus sessions (5, 15, 25 min), Review daily and weekly trends, Gain insights into method effectiveness

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DelayLens Pro Monthly | $1.99 | per month |
| DelayLens Pro Yearly | $9.99 | per year |
| DelayLens Founder Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is Geekmath Classic free?

Geekmath Classic costs $2.99, with no in-app purchases.

### Is DelayLens free?

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

### Do Geekmath Classic or DelayLens have ads?

Neither Geekmath Classic nor DelayLens shows ads.

### Which is updated more often, Geekmath Classic or DelayLens?

Geekmath Classic ships an update daily, and DelayLens every 3 weeks. Most recently, Geekmath Classic was updated on September 22, 2026 and DelayLens on September 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.*