Report updated May 7, 2026

Dott (previously TIER) is a struggling travel app that is free with in-app purchases. With a 4.7/5 rating from 110.1K reviews, it struggles with user retention. Users particularly appreciate core ride functionality provides efficient and fast transport for short urban commutes, though automated support bots fail to resolve billing disputes and technical errors post-update remains a common concern.

What is Dott (previously TIER)?

Dott is a micro-mobility rental app providing electric scooters and bikes for urban commuters across Europe and the Middle East.

Users hire Dott to solve last-mile transit gaps and avoid traffic, relying on the platform for consistent, on-demand urban mobility.

Current Momentum

v2.230 · today

Active
  • Added vehicle ringing bell button.
  • Refreshed map pins for visibility.
  • Enabled referral links on receipts.

Active Nemesis

Bird — Ride Electric

Bird — Ride Electric

By Blue Jay Transit

Other Rivals

Bolt: Request a Ride
Spin — Electric Scooters
Citymapper: All Live Transit
Freenow by Lyft - taxi & more
Beryl - bike & e-scooter hire

7-Day Rank Pulse 🇺🇸

Travel

No ranking data

Rating Pulse 🇺🇸

Recent User Mood

What makes this app unique?

What Does It Look Like?

What Are The Key Features?

QR Code UnlockStandard

Scan vehicle-mounted QR codes to initiate rental sessions via the in-app camera

Dott PassesDifferentiator

Time-bound rental passes for 24-hour, weekly, or monthly durations

Referral ProgramDifferentiator

In-app referral mechanism providing free rides to both the referrer and the new user

Vehicle RingingDifferentiator

Remote activation of vehicle audio signal to locate specific units on the map

How much does it cost?

Freemium
  • Pay-as-you-go per ride
  • 24-hour, weekly, and monthly passes

Monetization relies on a hybrid model of transactional pay-as-you-go fees and recurring revenue via time-bound passes.

Who Built It?

Dott B.V. app icon 1
Dott B.V. app icon 2
Dott B.V. app icon 3
Dott B.V. app icon 4

Dott B.V.

(639.9K)

Providing urban commuters with on-demand electric scooter and bike rentals for efficient last-mile transit. Simplifying city travel through a unified, app-based rental platform.

Portfolio

5

Apps

Free 4
Tools50%
Travel & Local25%
Productivity25%

Explore the full Dott B.V. report

Portfolio breakdown, audience, momentum, and every app published by Dott B.V..

Go deeper

What do users think recently?

High confidence · Latest 100 of 145 total reviews analyzed · Based on 145 reviews. Signal may be noisy.

How did the latest release land?

Overall
4.7/ 5
(110.1K)
Current version
4.8/ 5
+0.2 vs overall
(8.2K)
Main signal post-update: core ride functionality provides efficient and fast transport for short urban commutes.

What is the recent mood?

Upset

Recent user voice shows a upset sentiment. Users appreciate core ride functionality provides efficient and fast transport for short urban commutes, but report automated support bots fail to resolve billing disputes and technical errors post-update and inaccurate parking zone detection leads to unfair fines and inability to end rides.

What Users Love

Core ride functionality provides efficient and fast transport for short urban commutes

What Frustrates Users

Automated support bots fail to resolve billing disputes and technical errors post-update
Inaccurate parking zone detection leads to unfair fines and inability to end rides

What Users Want

Integration of standard map navigation to help users locate available scooters more easily

View the full user-sentiment analysis

Mood gauge, ratings & review-volume history, every praise / complaint / request, and sentiment over time.

Go deeper

What is the competitive landscape for Dott (previously TIER)?

How's The Travel Market?

How does it evolve in the Travel market?

Dott maintains a significant footprint in the European micro-mobility sector, but the 0.2-star rating gap between iOS and Android suggests inconsistent platform stability. The high volume of Android reviews relative to iOS indicates that technical regressions on the larger user base are the primary drag on overall brand sentiment.

Rank progression

87 active rankings tracked — 30-day window

The rivals identified

Nemeses(1)

Bird — Ride Electric icon

Blue Jay Transit Inc.

4.9(1.5M)

Bird maintains the highest market penetration and release velocity in the micro-mobility sector, serving as the primary benchmark for feature parity.

Differentiators

  • Maintains a massive global footprint that creates a network effect for frequent urban commuters.
  • Aggressive release cadence of 24 updates in six months ensures rapid feature iteration and bug fixes.
  • Deep integration with local municipal transit data provides a more comprehensive urban mobility ecosystem.

Head to head

Dott must differentiate through superior vehicle reliability and localized customer support to combat Bird's scale-based network advantage.

Contenders(2)

Spin — Electric Scooters icon

Pheenix USH LLC

4.7(485.2K)

Spin provides a direct, specialized alternative focused exclusively on the scooter rental market with high operational consistency.

Differentiators

  • Prioritizes hardware-first safety features and robust vehicle maintenance protocols that appeal to safety-conscious riders.
  • Maintains a consistent, high-frequency release schedule to ensure platform stability across diverse hardware generations.
Bolt: Request a Ride icon

BOLT TECHNOLOGY OU

4.8(10.1M)

Bolt dominates the multi-modal transport space by bundling ride-hailing with micro-mobility, forcing Dott to compete for screen time.

Differentiators

  • Bundles ride-hailing, food delivery, and scooter rentals into a single, high-utility super-app interface.
  • Aggressive cross-selling mechanics between car rides and scooter rentals maximize lifetime value per user.

Same space(2)

Freenow by Lyft - taxi & more icon

Intelligent Apps GmbH

4.6(322.2K)

A major aggregator in the European market that competes for the same urban mobility user base as Dott.

Differentiators

  • Aggregates multiple mobility providers, reducing the need for users to maintain individual accounts for every service.
  • Strong brand positioning as a one-stop-shop for urban travel, challenging Dott's standalone rental value proposition.
Citymapper: All Live Transit icon

Citymapper Limited

4.8(369.4K)

While not a rental operator, Citymapper is the primary navigation layer that influences user choice for last-mile transit.

Differentiators

  • Provides comprehensive multi-modal routing that integrates public transit with micro-mobility options for seamless trip planning.
  • Offers superior real-time transit data that acts as a discovery engine for Dott's rental services.

New entrants(1)

Beryl is an emerging player focusing on community-based, sustainable micro-mobility with a distinct operational model.

Differentiators

  • Employs a unique 'Beryl Bay' parking infrastructure model that reduces urban clutter and improves vehicle availability.
  • Focuses on sustainable, long-term municipal partnerships rather than purely aggressive, high-growth market expansion.

Compare Dott (previously TIER) against every rival

All rivals in one side-by-side table — identity, store metrics, ratings & sentiment, and strategic intel — plus a head-to-head page for each.

Go deeper

The outtake for Dott (previously TIER)

Strengths to defend, gaps to attack

Core Strengths

  • 400+ city footprint enables broad regional network effects
  • Hybrid subscription passes lock in recurring commuter revenue

Critical Frictions

  • AI support loops drive high churn
  • Parking zone detection errors trigger frequent billing disputes
  • Technical instability prevents vehicle activation

Growth Levers

  • Integrate real-time municipal transit data for last-mile discovery
  • Expand B2B partnerships for corporate commuter programs

Market Threats

  • Bolt’s multi-modal super-app interface siphons screen time
  • Inaccurate parking enforcement risks municipal regulatory pushback

What are the next best moves?

highPivot

Replace AI support bots with human-in-the-loop escalation because support failure is the top complaint → reduce churn

Sentiment analysis identifies automated support loops as the primary driver of negative user reviews.

Trade-off: Pause the map-pin UI refresh sprint — support resolution has a higher impact on retention than visual tweaks.

highInvest

Audit parking zone detection logic because inaccurate fines are the #2 complaint → improve rating baseline

Users report being unable to end rides, leading to unfair charges and persistent negative sentiment.

Trade-off: Delay the referral link feature expansion — billing accuracy is critical to maintaining the user base.

A counter-intuitive read

The TIER brand merger is a liability, not an asset: the integration friction and support-bot reliance are actively alienating the legacy user base Dott paid to acquire.

Feature Gaps vs Competitors

  • Multi-modal transit routing (available in Citymapper but absent here)
  • Integrated ride-hailing and food delivery (available in Bolt but absent here)

Key Takeaways

Dott holds a strong regional footprint but faces a critical churn risk from automated support failures, so the PM must prioritize human-in-the-loop billing resolution to prevent the loss of high-value daily commuters to multi-modal rivals.

Where Is It Heading?

Declining

The micro-mobility market is consolidating around multi-modal aggregators that offer higher utility per session. Dott's current focus on standalone rental limits its ability to compete with super-apps, and the breakdown in customer trust will accelerate churn into the next quarter.

Persistent billing disputes and parking errors in the latest release drive user churn, which compounds the rating drag on Android.

Automated support failures prevent resolution of technical errors, forcing users to abandon the platform for more responsive multi-modal aggregators.

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with editorial review, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Dott (previously TIER), its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

What's new

Dott is attempting to mitigate churn through targeted UX features like vehicle ringing, but the platform remains hampered by systemic support and parking detection failures.

declined

Rating and Complaint Specificity

added

Operational Weaknesses

added

Vehicle Ringing Feature

shifted

Strategic Focus

Cite this report

Marlvel.ai. “Dott (previously TIER) Intelligence Report.” Updated May 7, 2026. https://marlvel.ai/apps/dott-previously-tier

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