Lean PD vs TESS Services
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lean PD
This app helps you achieve personal development goals through efficient daily habit formation. It focuses on eliminating waste in your self-improvement journey to reach your maximum potential. Transform your life by building habits that support your ambitious objectives.
- Efficient personal development
- Daily habit formation
- Goal support
- Eliminate waste in self-improvement
- Pre-populated habit examples
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Lean PD is the most effective way to develop yourself! Lean=efficient or elimination of waste. PD=personal development. So, Lean PD is the efficient way to personally develop yourself to reach your maximum potential. The whole concept is based on the idea of developing daily habits that support your BHAG (Big Hairy Audacious Goal). This app comes populated with examples of habits the developer has used to improve the quality of his life. You will enjoy how simple and easy it is to transform your life by performing daily habits that support your goals.
TESS Services
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TESS Services makes it easier to submit safety tests and simplifies workflow.
Screenshots
Verdict
The clearest difference is update cadence: Lean PD at every 4 months against TESS Services's every 13 months. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Lean PD ships an update every 4 months, TESS Services every 13 months. The most recent releases landed on October 20, 2026 and October 7, 2026 respectively.
| Parameter | Lean PD | TESS Services |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (9 ratings) — better | — |
| Positive reviews | 86.4% of reviews | — |
| Number of ratings | 9 — better | — |
| Update frequency | Every 4 months — better | Every 13 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 1 MB | 163 MB |
| Age rating | 4+ | 4+ |
| Developer | Paul Akers | TESS as |
In-app purchases
Lean PD
No in-app purchases
TESS Services
No in-app purchases
